Messenger Bot for Group Chat: How to Add Meta AI, Build a Facebook/WhatsApp/Telegram Group Bot, Spot Fakes and Compare Free vs Paid Pricing

The promise of a messenger bot for group chat is simple: less noise, more signal. In this piece we’ll show how to add a Facebook Messenger group bot to a busy thread, how to add Meta AI to Messenger group chat, and how to build a multi-user chat bot that works across platforms—from WhatsApp group bot integration to a Telegram group chat bot—so teams and communities actually get value. You’ll learn practical group chat automation patterns, group bot moderation tools and group bot onboarding flows that reduce churn, plus group chat scheduling bot tactics, polls and surveys in group chat, and group bot welcome messages that set the tone. We’ll cover real-time group chat notifications, group bot analytics and sentiment analysis to measure engagement, as well as group chat bot security and GDPR compliant group bot practices so your bot is trusted. Along the way we’ll explore chatbot for team collaboration use cases, bot-driven group chat workflows, group bot message templates, cross-platform group chat bot strategies, and the group chat CRM integration and group bot API options that make bots useful—not just clever. Finally, we’ll compare group chat bot pricing models (including Messenger bot for group chat free options), outline group bot UX best practices and retention tactics, and answer the practical questions: Can you use bots in group chats? How do I add a bot to a Messenger group?

Getting Started with Messenger Bots for Groups

How do I add a bot to a Messenger group?

Adding a bot to a Messenger group starts with the Page-based model: Messenger bots operate through Facebook Pages, not personal profiles. Follow these practical steps to add a bot to a group and configure it for group chat automation, moderation and real-time group chat notifications.

1. Create and prepare a Facebook Page. If you don’t have one, create a Page (bots act as Pages). Assign Page roles, ensure the Page is visible to connectors, and remove Business Suite restrictions that can hide Pages from integrations. See Facebook’s guidance on Page setup for details.
2. Build or obtain a Messenger bot and app. Either build a bot with a provider or code one yourself. Create a Meta app at the developers portal and add the Messenger product; if you prefer a visual builder, use ManyChat/Chatfuel-style flows or follow our Step-by-step: add bot to Messenger tutorial for integration specifics.
3. Generate credentials: Page Access Token & App Secret. In your Meta app’s Messenger settings generate a Page Access Token for the Page your bot will act as. Store the App Secret and verify token securely—these are required for webhook verification and calling the Messenger API.
4. Set up a webhook and subscribe the app to the Page. Expose an HTTPS endpoint that accepts messaging events (messages, message_deliveries, messaging_postbacks). Configure the webhook URL and verify token in the app settings, then subscribe the app to the Page for required fields. Confirm webhook verification returns a 200 response.
5. Request and enable required permissions. For development you’ll need pages_messaging and pages_manage_metadata; for public usage submit the app for review with screencasts showing message flows and use cases. Follow the App Review checklist to obtain production permissions.
6. Test the bot in Page conversations. Use Page Inbox or your builder’s test tools to validate quick replies, templates, multi-user chat handling, and group chat bot features like polls, group bot welcome messages, and group chat scheduling bot flows.
7. Add the Page (and therefore the bot) to a Facebook Group. If the Group allows Pages, invite the Page or use the Group admin’s member controls to add it; the Page must accept. Once the Page is a member it can post and comment as the Page—programmatic posts should use the Page Access Token and respect Group rules.

Notes and best practices: bots cannot impersonate personal users in private person-to-person threads—Pages are the supported path for group presence. Include clear group bot welcome messages, respect group chat bot security and GDPR compliant group bot handling (data retention, opt-outs), and instrument group bot analytics to monitor engagement and retention tactics.

Best messenger bot for group chat: Facebook Messenger group bot options and comparisons

Choosing the best messenger bot for group chat depends on priorities: ease of setup, group chat automation depth, moderation capability, cross-platform reach (Facebook Messenger, WhatsApp, Telegram), and pricing. I recommend evaluating vendors and DIY approaches across these dimensions and matching them to your group chat chatbot use cases—community management, team collaboration, lead generation or customer support.

• Ease of setup & onboarding: If you need a fast deploy, look for builders with clear group bot onboarding flows and templates. I provide guided tutorials and a Step-by-step: add bot to Messenger resource to speed launch; these include group bot message templates and quick-start flows for multi-user chat bot behavior.
• Moderation and community tools: Prioritize group bot moderation tools, auto-moderation rules, and group bot welcome messages to set expectations. Advanced options include sentiment analysis and bot-driven group chat workflows that remove toxic messages, flag content, or escalate to human moderators.
• Cross-platform capability: If your community spans apps, pick a cross-platform group chat bot that supports WhatsApp group bot integration and a Telegram group chat bot pathway. That ensures consistent group engagement strategies and real-time group chat notifications across channels.
• Feature set for engagement: Look for group chat scheduling bot features, polls and surveys in group chat, voice-enabled group chat bot support, and personalization options. These features improve retention tactics and make the AI chatbot for group conversations feel useful rather than intrusive.
• Security, compliance and analytics: Confirm group chat bot security, GDPR compliant group bot handling, and robust group bot analytics for measuring retention, engagement, and sentiment. A bot with a clear group chat CRM integration path and group bot API support simplifies automation and reporting.
• Pricing and free options: Compare group chat bot pricing models—some platforms offer Messenger bot for group chat free tiers for basic automation, while advanced moderation, analytics, or cross-platform connectors usually require paid plans. Evaluate total cost of ownership including CRM integration and developer time.

For technical teams wanting code-first control, consult the Messenger bot Python tutorial and Telegram group chat bot builder resources to evaluate bespoke builds and GitHub integrations. For non-technical teams, I offer templates and UX-led onboarding flows that map directly to group chat chatbot use cases and group bot UX best practices to reduce friction and boost adoption.

Adding Meta AI and AI Chatbots into Group Conversations

How to add meta ai to Messenger group chat?

I use Meta AI in group threads to speed up moderation, run polls and surveys in group chat, and summarize long discussions so teams and communities stay focused. To add Meta AI to a Messenger group:

1. Open the Messenger group chat where you want Meta AI to respond.
2. Ensure everyone in the group is on a Messenger version that supports Meta AI and that Meta AI is enabled for your account (Meta rolls out features by region/account; update the app if needed).
3. In the chat text box type @ then select Meta AI from the mention list (or type @Meta AI). This calls Meta AI into the conversation so it will reply inline to the group thread.
4. After selecting Meta AI, enter your prompt (question, summary request, poll idea, or moderation help) and send it. Meta AI’s response will appear as a message in the group, visible to all members.
5. Use targeted prompts for group chat automation: ask Meta AI to create group bot welcome messages, draft poll options for polls and surveys in group chat, generate meeting times for a group chat scheduling bot flow, or summarize long threads to drive retention and clarity.
6. Permissions and privacy: Meta AI replies are shown to the group—confirm members consent before adding AI into private conversations. For business or community use, prefer Pages, official bots or GDPR compliant group bot processes when storing or processing member data.
7. Limitations and best practices: Meta AI won’t act as a multi-user chat bot with admin controls; for moderation, automated removals, or programmatic real-time group chat notifications you’ll need a Page-based bot or Messenger Platform integration (bot-driven group chat workflows and group bot moderation tools). For programmatic control, build a Messenger bot using the Messenger Platform with webhooks, Page Access Token and the group’s allowed posting method.

Troubleshooting tips: if @Meta AI doesn’t appear, update Messenger via the official Messenger platform overview at Messenger, check regional availability, or sign out and back in. For advanced automation or cross-platform needs—like WhatsApp group bot integration or a Telegram group chat bot—evaluate a cross-platform group chat bot or build via a group bot API and CRM integration.

AI chatbot for group conversations: meta AI, Brain Pod AI references and cross-platform considerations

Meta AI is great for inline prompts, but for persistent group chat automation I combine Meta AI mentions with a Messenger bot for group chat that provides group chat automation, group bot moderation tools, and real-time group chat notifications. I prioritize these capabilities:

• Group chat bot features: automated responses, group bot welcome messages, polls and surveys in group chat, and group chat scheduling bot flows to coordinate events.
• Moderation & safety: configure group bot moderation tools and group chat bot security policies; ensure GDPR compliant group bot handling for member data and opt-outs.
• Multi-channel reach: evaluate WhatsApp group bot integration and a Telegram group chat bot to maintain consistent chatbot for team collaboration and community management across platforms.
• Analytics & retention: instrument group bot analytics and group bot sentiment analysis to measure engagement; apply group engagement strategies and group chat retention tactics informed by data.
• Personalization & UX: use group bot personalization, group bot message templates and group bot onboarding flows to improve adoption and follow group bot UX best practices.

For multilingual assistants or advanced generative prompts, Brain Pod AI provides robust multilingual AI chat assistant and generative demo tools that teams can evaluate alongside native Meta AI capabilities (Brain Pod AI homepage, Brain Pod AI demo). If you want hands-on integration guides for adding AI to groups or creating a Page-based group bot, see the Facebook Messenger group chat bot guide and the Step-by-step: add bot to Messenger tutorial for practical setup and compliance notes.

Building and Configuring a Messenger Chatbot

How to make a chat bot in Messenger?

I start every build by planning the chatbot goals and mapping user flows so the messenger bot for group chat delivers clear value. Define your primary use cases (customer support, lead capture, chatbot for team collaboration or community management) and sketch the conversation paths, fallback routes, and integrations (CRM, calendar, analytics). Prioritize group chat chatbot use cases such as polls and surveys in group chat, group bot welcome messages, and group chat scheduling bot flows so the design supports multi-user chat bot behavior and group chat retention tactics.

1. Create and prepare a Facebook Page and Meta app. Bots act as Pages, not personal profiles. Create a Facebook Page, assign Page roles, and ensure it isn’t hidden by Meta Business Suite restrictions. Register a Meta app at developers.facebook.com/apps and add the Messenger product; this is required before credentials and webhooks can be configured.
2. Generate credentials and set up webhooks. In the Meta app generate a Page Access Token, store the App Secret and verify token securely, and build an HTTPS webhook endpoint to accept messaging events (messages, messaging_postbacks, message_deliveries). Configure the webhook URL and subscribe the app to the Page for required fields; confirm your endpoint returns a 200 response for verification.
3. Build conversation logic and UX components. Start with a clear welcome message and fallback option, then add quick replies, a persistent menu and group bot message templates. Design group bot onboarding flows to guide first-time users and include group bot moderation tools and rate limits when the bot will operate in groups.
4. Add NLP, automation and integrations. Integrate NLU for open-text handling or connect to external AI APIs for intent parsing. Combine deterministic flows with AI to create reliable bot-driven group chat workflows and connect to CRM via secure backends for group chat CRM integration.
5. Test, request permissions and deploy. Validate behavior in staging (multi-user scenarios, real-time group chat notifications, polls and surveys in group chat, group bot sentiment analysis). Submit for App Review to obtain pages_messaging and pages_manage_metadata and follow GDPR compliant group bot practices before going public.

Messenger bot for group chat build workflow: bot-driven group chat workflows and group bot API choices

My build workflow focuses on modularity: conversation modules, moderation rules, analytics hooks, and cross-platform adapters. That lets me reuse group chat bot features—group chat scheduling bot, polls, group bot welcome messages—across Facebook Messenger, WhatsApp and Telegram.

• Conversation modules: Break flows into reusable modules (greeting, verification, poll flow, meeting scheduler). Use group bot message templates and personalization tokens to increase relevance and improve group engagement strategies.
• Moderation and security: Implement group bot moderation tools (auto-mute, flagging, escalation to human moderators) and enforce group chat bot security and GDPR-compliant data handling for retention and opt-out policies.
• Real-time events & notifications: Use webhooks and background jobs to deliver real-time group chat notifications, reminders from group chat scheduling bot flows, and multi-user chat bot coordination for events.
• Group bot API and cross-platform adapters: Choose a group bot API approach that supports cross-platform group chat bot behavior (Facebook Messenger group bot endpoints, WhatsApp Business API connectors, Telegram bot APIs). For code-first teams I reference practical tutorials such as the Messenger bot Python tutorial to wire API logic and integrations.
• Analytics & iteration: Instrument group bot analytics to track engagement, retention, sentiment (group bot sentiment analysis) and conversions. Use those metrics to refine group bot UX best practices, improve group chat retention tactics and test pricing or feature tiers (including Messenger bot for group chat free trial experiments).

Legitimacy, Detection and Use Cases

Is the Messenger bot real or fake?

Short answer: I am a real messenger bot for group chat when installed correctly — but not every account or message claiming to be a bot is legitimate. I operate through Facebook Pages and the Messenger Platform; fake or malicious actors can mimic bots, so verification matters.

How I verify authenticity and what to check:

• Page-based identity: Legitimate bots act as a Facebook Page, not a personal profile. Check the Page’s About, roles and transparency info before trusting automated messages.
• Platform integration signals: Real bots use Messenger Platform webhooks and valid Page Access Tokens. For developer guidance consult the Messenger Platform docs on webhooks and app review.
• Behavioral cues: Authentic bots use structured flows, quick replies, group bot message templates and predictable templates rather than sudden request-for-credentials or unknown downloads.
• Security & compliance: I follow group chat bot security practices and GDPR compliant group bot handling for data retention and opt-outs; if a bot won’t link to a privacy policy or refuses to explain data handling, treat it as suspicious.
• Operational transparency: Vendor claims (approved, verified) should be supported by verifiable artifacts—app registration, App Review evidence, and a published privacy policy.

Red flags that a bot is fake or malicious:

• Requests for passwords, payment details, or to install unknown apps.
• Urgent payment demands, shortened URLs, or repeated spammy messages in groups.
• New Pages with no followers, little transparency, or inconsistent behavior across messages.

How I protect groups and admins should you add me:

• I provide clear group bot welcome messages, opt-out instructions and group bot onboarding flows so members know what the bot does.
• I implement group bot moderation tools and rate limits to prevent spam and preserve group chat bot security.
• I emit telemetry for group bot analytics and group bot sentiment analysis so admins can monitor engagement and take action if behavior looks anomalous.

If you want a practical checklist for spotting and joining verified bot group chats, see my guide on Spot and join Messenger bot group chats, and for legal and setup notes consult the Facebook Messenger group chat bot guide. For technical verification refer to the official Messenger Platform documentation and the Messenger platform overview at Messenger.

Can you use bots in group chats? real-world group chat chatbot use cases and community management scenarios

Yes—you can use bots in group chats, but the approach differs by purpose and platform. I’m designed to support group chat chatbot use cases like community management, chatbot for team collaboration, lead capture and event coordination while respecting group chat bot security and platform rules.

• Community management: I automate group bot welcome messages, apply group bot moderation tools, run polls and surveys in group chat, and surface group bot analytics to moderators so communities scale safely.
• Team collaboration: As a multi-user chat bot I handle meeting scheduling with a group chat scheduling bot flow, provide real-time group chat notifications for tasks, and integrate with calendars and group chat CRM integration to centralize context.
• Engagement and retention: Use group engagement strategies such as recurring polls, personalized group bot message templates and bot-driven group chat workflows to improve group chat retention tactics and overall activity.
• Cross-platform workflows: For communities on multiple apps I coordinate with WhatsApp group bot integration and a Telegram group chat bot to maintain consistent experiences, or expose a group bot API to unify behavior across channels.

Implementation best practices I follow:

• Design bot-driven group chat workflows with clear opt-ins and GDPR compliant group bot policies.
• Use group bot onboarding flows and group bot UX best practices so members understand commands and limits.
• Instrument group bot analytics and group bot sentiment analysis to iterate on group bot personalization and moderation rules.

For step-by-step setup and legal notes on adding bots to groups, consult the Step-by-step: add bot to Messenger tutorial and the Are bots allowed in Facebook groups? resource for platform-specific constraints and fixes.

Moderation, Engagement and Automation Features

Can you use bots in group chats?

Yes — you can use bots in group chats, but how they work, what they can do, and how you add them depends on the platform, permissions and whether the bot is Page- or API-based. I join groups as a Page-backed messenger bot for group chat when permitted, and I combine AI prompts with programmatic automation to deliver moderation, scheduling and engagement without cluttering the conversation.

• Platform model: On Facebook a Facebook Messenger group bot must operate via a Page and the Messenger Platform; Pages can be added to Groups to post and interact as the Page. For step-by-step setup see the Step-by-step: add bot to Messenger.
• AI mentions vs persistent bots: Inline AI (for example @Meta AI) can reply inside threads but doesn’t replace a persistent multi-user chat bot that runs bot-driven group chat workflows, moderation rules, or real-time group chat notifications—those require a Page/API integration.
• Cross-platform differences: WhatsApp group bot integration and Telegram group chat bot use different APIs and rules; plan cross-platform behavior and group chat CRM integration before you build.
• Permissions & compliance: Public features require permissions (pages_messaging, pages_manage_metadata) and often App Review. Always follow GDPR compliant group bot practices for consent, data retention and opt-outs.

In practice I recommend starting with clear group bot onboarding flows and group bot welcome messages, limiting automated actions to non-destructive tasks (welcome, polls and surveys in group chat, scheduling), and routing moderation escalations to humans. For legal and platform constraints read the Facebook Messenger group chat bot guide.

Group chat automation: group bot moderation tools, group bot welcome messages and group bot message templates

I design group chat automation around three needs: keep the group safe, keep the group active, and keep the group useful. That means combining group bot moderation tools with engagement primitives (polls, scheduling, templates) and analytics to iterate.

• Moderation tools and security: Automated filters, auto-mute, spam detection, flagging and human escalation preserve community health. Implement group chat bot security and GDPR-compliant group bot data handling; keep audit logs and clear opt-out commands.
• Welcome flows & onboarding: Group bot welcome messages and group bot onboarding flows reduce confusion—deliver rules, help commands and quick actions via group bot message templates so new members know how to interact with the multi-user chat bot.
• Engagement features: Use polls and surveys in group chat, group chat scheduling bot flows, recurring reminders and real-time group chat notifications to increase activity. Voice-enabled group chat bot features and personalization improve accessibility and retention.
• Bot-driven workflows: Automate common scenarios—event RSVPs, quick FAQ responses, curated content drops—using bot-driven group chat workflows and group bot API hooks tied to your CRM or calendar systems.
• Analytics & sentiment: Instrument group bot analytics and group bot sentiment analysis to track engagement, test group engagement strategies, and refine group chat retention tactics using measured results.
• Templates & UX: Ship tested group bot message templates and follow group bot UX best practices: concise messages, clear CTA buttons, graceful fallbacks, and rate limits to avoid spamming the group.

For builders, combine prebuilt moderation and engagement features with platform-specific guidance—see the features overview and the messenger bot tutorials for implementation examples and templates that accelerate launch while keeping groups safe and engaged.

Pricing, Monetization and ROI

How much does a Messenger bot cost?

Costs for a messenger bot for group chat vary because pricing depends on platform, required group chat bot features, scale, and whether you choose a low-code builder or a custom build. Here’s the practical breakdown I use when estimating budgets:

• Free / Freemium: Basic automation, limited monthly active users (MAUs), and trial tiers—great to validate group chat chatbot use cases like group bot welcome messages, simple polls and group chat scheduling bot flows. Search for Messenger bot for group chat free options before committing.
• Starter (≈ $10–$50/month): Templates, persistent menu, basic group bot moderation tools, small message caps—suitable for small communities or team collaboration pilots.
• Growth (≈ $50–$250/month): Advanced group chat automation (polls and surveys in group chat, multi-user chat bot handling, real-time group chat notifications), CRM connectors, and basic group bot analytics.
• Enterprise (≈ $250+/month or custom): Full group bot API access, cross-platform support (WhatsApp group bot integration, Telegram group chat bot), advanced group bot analytics, SLA, and GDPR compliant group bot features. Enterprise pricing is often MAU- or usage-based and may include development retainer fees.

Key cost drivers I check: message volume/MAUs, cross-platform connectors, advanced AI or NLP usage, group chat CRM integration, moderation/compliance features, and support/white‑labeling. To reduce spend I batch notifications, use group bot message templates, and start on a freemium tier. For exact vendor tiers and to compare pricing models, I review provider pages such as the platform pricing overview.

Group chat bot pricing models: free vs paid (Messenger bot for group chat free) and messenger bot earn money strategies

I evaluate pricing models alongside monetization options so the bot pays for itself:

• Pricing models: Subscription (tiered feature access), usage-based (messages or conversations), per-MAU, and one-time setup + monthly maintenance. Many vendors offer a free tier to test group chat chatbot use cases before upgrading.
• Cost vs value: Match features to outcomes—use group bot analytics to measure saved moderator hours, conversion lifts from lead capture, or revenue from commerce flows (cart recovery). Those metrics drive ROI calculations and justify upgrades.
• Monetization tactics I use: lead generation via conversational funnels, paid premium group features, appointment bookings (fee per booking), affiliate offers, and commerce integrations. For communities, premium channels or paid event RSVPs driven by a group chat scheduling bot are effective.
• Cross-platform economics: Adding WhatsApp group bot integration or Telegram group chat bot support increases reach but can add licensing or API costs—measure incremental revenue or saved time to justify it.
• Testing & optimization: Start with a free tier, instrument group bot analytics and group bot sentiment analysis, run A/B tests on group bot message templates, and iterate—this lowers risk and finds the most cost-effective automations.

Ultimately I choose the pricing model that aligns with expected message volume, required group chat bot features, and compliance needs—then track group chat retention tactics and group engagement strategies via analytics to prove ROI and optimize spend.

Group bot onboarding flows and group bot UX best practices to boost group chat retention tactics

I focus onboarding on clarity, consent and immediate value so the messenger bot for group chat converts first-time members into engaged participants. A strong onboarding flow reduces churn by explaining capabilities (group bot welcome messages, commands, opt-outs), demonstrating group chat bot features with quick, interactive examples, and collecting minimal preferences to enable group bot personalization. Key UX best practices I apply:

• Immediate orientation: Send a concise group bot welcome messages sequence that covers rules, help commands and links to resources. Use group bot message templates to keep messaging consistent and scannable.
• Progressive disclosure: Start with basic group chat automation (welcome, FAQs, polls and surveys in group chat) and unlock advanced features—scheduling, CRM integrations and voice-enabled group chat bot commands—only after the user opts in.
• Consent and compliance: Ask for explicit consent when collecting data, describe retention policies, and implement GDPR compliant group bot practices for opt-outs and data access requests.
• Quick wins: Offer immediate utility—run a one-question poll, schedule a meeting with a group chat scheduling bot, or show a short thread summary—so members experience value within minutes.
• Onboarding flows & analytics: Instrument group bot analytics to measure drop-off points in onboarding flows and iterate; track engagement metrics to optimize group chat retention tactics and group engagement strategies.
• Consistent UX across channels: Design onboarding to work whether members interact via a Facebook Messenger group bot, WhatsApp group bot integration, or a Telegram group chat bot so multi-channel communities get the same experience.

For practical templates and hands-on guides I use the messenger bot tutorials to create reusable onboarding flows, and I validate pricing impact with the pricing page when deciding which features to gate behind paid tiers. If you want to test before buying, try a free trial offer to refine onboarding without upfront cost.

Group engagement strategies, group bot personalization, voice-enabled group chat bot use and long-term group chat retention tactics

Retention follows predictable patterns: relevancy, rhythm, and reciprocity. I design group engagement strategies around those principles and use personalization, scheduled interactions and occasional surprises to keep activity healthy.

• Personalization at scale: Collect simple preferences during onboarding (topics, notification cadence) and apply group bot personalization to tailor polls, content drops and real-time group chat notifications. Personalization drives higher response rates and better group chat retention tactics.
• Structured engagement cadence: Use a mix of recurring events (weekly polls, scheduled Q&As via group chat scheduling bot), spontaneous prompts (icebreakers), and evergreen content to create a predictable rhythm that members expect and rely on.
• Voice and accessibility: Add voice-enabled group chat bot features for hands-free summaries, reminders and quick commands to increase participation among mobile-first or accessibility-focused users. Voice capability pairs well with multi-user chat bot scenarios in team collaboration settings.
• Community-first moderation: Combine automated group bot moderation tools with human escalation to keep conversations healthy; transparent moderation improves trust and long-term retention.
• Cross-platform continuity: Implement a cross-platform group chat bot strategy so members moving between Facebook Messenger group bot, WhatsApp group bot integration and Telegram group chat bot see consistent state and notifications; integrate with your CRM via group chat CRM integration for unified member profiles.
• Measure and iterate: Rely on group bot analytics and group bot sentiment analysis to identify content that resonates, adjust messaging frequency, and A/B test group bot message templates and UX changes. Iterate until retention metrics improve.

For reference materials and implementation examples I link to the Facebook Messenger group chat bot guide for legal and platform details, consult the Telegram group chat bot builder for cross-platform code examples, and review WhatsApp group bot integration notes when adding that channel. When evaluating AI assistants for multilingual or generative tasks alongside native platform features, consider Brain Pod AI’s multilingual chat assistant and demo to compare capabilities.