Side-by-side comparison

    AI21 Labs vs Otter.ai

    Comparing AI21 Labs (Free Trial) vs Otter.ai (Freemium) — see how each fits your workflow, budget, and team size.

    AI21 Labs

    AI21 Labs

    AI21 Labs provides AI solutions for complex tasks, document analysis, and workflow automation with usage-based pricing.

    AI SEO Tools
    Free Trial
    5.0
    138K/mo
    +9.0%
    VS
    Otter.ai

    Otter.ai

    AI meeting assistant for real-time transcription, summaries, and action items.

    AI SEO Tools
    Freemium
    Trending
    Featured
    5.0
    7.5M/mo
    +24.5%

    Quick comparison

    Monthly Traffic
    AI21 Labs138K
    Otter.ai7.5M
    Traffic Growth
    AI21 Labs+9.0%
    Otter.ai+24.5%
    User Rating
    AI21 Labs5.0
    Otter.ai5.0
    Total Reviews
    AI21 Labs62
    Otter.ai64

    About AI21 Labs

    AI21 Labs offers AI21 Maestro, an AI Planning and Orchestration System designed to solve complex tasks with precision. It ensures reliable, scalable results for enterprises with full transparency. It is perfect for research, document analysis, and workflow automation. Their pricing is usage-based, helping reduce unnecessary spend.

    Launched March 21, 2025

    About Otter.ai

    Otter.ai is an AI Meeting Agent that records meetings, takes notes in real-time, and generates automated summaries. It supports real-time transcription, live chat, automated summaries, insights, and action items. Otter.ai offers solutions for business, sales, education, and media, helping users to capture and share insights from their meetings.

    Based in OtterLaunched March 7, 2023

    Detailed comparison

    AttributeAI21 LabsOtter.ai
    CategoryAI SEO ToolsAI SEO Tools
    Pricing modelFree TrialFreemium
    Launch dateMarch 21, 2025March 7, 2023
    PlatformsWebsiteWebsite
    Monthly traffic138K7.5M
    Region focusUnited StatesUnited States
    User rating5.0 (62)5.0 (64)
    Estimated revenueN/AN/A

    Feature comparison

    Click any row to see how each tool implements the feature.

    SupportedPartialNot supported
    Feature
    AI21 LabsRebrand· 59
    Otter.aiRebrand· 3
    AI SEO features· 6
    Integrations· 36
    Airtable
    B: native
    Amazon S3
    B: native
    Android app
    B: native
    Asana
    B: native
    ClickUp
    B: native
    Desktop app for Windows and Mac
    B: native
    Dialpad
    B: native
    Dropbox
    B: native
    Egnyte
    B: native
    Google Calendar
    B: native
    Google Chrome Extension
    B: native
    Google Docs
    B: native
    Google Drive
    B: native
    Google Meet
    B: native
    Greenhouse
    B: native
    HubSpot
    B: native
    iOS app
    B: native
    JIRA
    B: native
    JustCall
    B: native
    Microsoft Dynamics
    B: native
    Microsoft OneDrive
    B: native
    Microsoft Outlook
    B: native
    Microsoft Teams
    B: native
    Monday.com
    B: native
    Notion
    B: native
    Outreach
    B: native
    RingCentral
    B: native
    Salesforce
    B: native
    Salesloft
    B: native
    SharePoint
    B: native
    Slack
    B: native
    Snowflake
    B: native
    Zapier
    B: zapier
    Zoho
    B: native
    Zoom
    B: native
    Zoom Phone
    B: native
    Built for· 6
    General
    A: 4 use-cases
    Media professionals
    B: 1 use-case
    Recruiters
    B: 1 use-case
    Sales teams
    B: 1 use-case
    SDRs / inbound sales
    B: 1 use-case
    Students and educators
    B: 1 use-case

    Frequently asked

    AI21 Labs

    AI21 Labs

    What is AI21 Labs?

    AI21 Labs offers AI21 Maestro, an AI Planning and Orchestration System designed to solve complex tasks with precision. It ensures reliable, scalable results for enterprises with full transparency. It is perfect for research, document analysis, and workflow automation. Their pricing is usage-based, helping reduce unnecessary spend.

    How to use AI21 Labs?

    To use AI21 Maestro, define your requirements, tools, and budget. The system dynamically creates and executes tailored plans, breaking complex tasks into actionable steps, scaling inference-time compute, and validating results against your requirements.

    What is AI21 Maestro?

    AI21 Maestro is an AI Planning and Orchestration System designed to solve complex tasks with structured planning, analyzing multiple strategies, estimating success rates and costs, dynamically creating and executing tailored plans, and validating results against your requirements.

    How does AI21 Maestro work?

    You define requirements, tools, and budget. Maestro dynamically creates and executes plans, breaking complex tasks into actionable steps, scaling inference-time compute, and validating results. It generates output that meets all requirements, with a validation report and execution graph.

    What are the use cases for AI21 Maestro?

    Use cases include Enterprise Deep Research, Complex Document Analysis, Data Extraction, and Workflow Automation.

    Otter.ai

    Otter.ai

    What is Otter.ai?

    Otter.ai is an AI notetaker and Conversational Knowledge Engine that captures meetings with live transcription in multiple languages and speaker recognition, then turns every meeting into a clear summary with decisions, action items, and insights. It works across iOS, Android, Web, and a desktop app for Mac and Windows.

    How does Otter handle meeting transcription and summaries?

    Otter provides live transcription in multiple languages with speaker name identification, learns your custom vocabulary, and lets you import pre-recorded audio/video files. It generates automated AI meeting summaries with decisions, action items, and insights, plus summary keywords and word clouds. You can also ask Otter AI Chat questions across your meetings and connected apps to create follow-ups, reports, and content.

    Which video conferencing tools does Otter integrate with?

    Otter Assistant works with Zoom, Microsoft Teams, and Google Meet, providing real-time transcriptions, key takeaways, and action items. It offers live captions for Zoom and Google Meet, syncs from Zoom and Dropbox, and connects to Google Calendar, Microsoft Outlook, and iOS Calendar to automatically schedule the AI Meeting Notetaker for upcoming meetings. A desktop app for Mac and Windows also enables bot-free recording directly from your computer.

    What integrations does Otter offer beyond meetings?

    Otter has 36+ native integrations including CRMs and sales tools (Salesforce, HubSpot, Microsoft Dynamics, Zoho, Monday.com, Outreach, Salesloft), productivity and storage (Notion, Google Docs, Google Drive, Dropbox, Microsoft OneDrive, SharePoint, Egnyte, Amazon S3), project management (Asana, ClickUp, JIRA), communication (Slack, Dialpad, RingCentral, JustCall, Zoom Phone), data (Snowflake, Airtable), recruiting (Greenhouse), plus Zapier for connecting other apps. ChatGPT, Claude, and other AI chat tools can also access meeting knowledge through Otter's MCP Server.

    What pricing plans does Otter offer?

    Otter has four tiers: Basic (free forever) with automated AI meeting summaries, unlimited meetings, and basic integrations for Zoom, Google Meet, Teams, and Slack; Business at $19.99/month per user with 6,000 monthly transcription minutes, up to 4 hours per conversation, collaborative note editing, and unlimited audio/video imports; Pro at $16.99/month or $8.33/month billed yearly ($99.99/year, 51% savings); and Enterprise as a custom solution via Sales.

    Positioning

    Both AI21 Labs and Otter.ai occupy similar territory. Differentiation comes from feature depth, pricing model, and ecosystem fit.

    Traffic sources

    AI21 Labs

    Search
    43.85%
    Direct
    42.63%
    Referrals
    9.26%
    Social
    3.32%

    Worldwide • desktop only

    Otter.ai

    Direct
    71.90%
    Search
    23.48%
    Referrals
    3.63%
    Social
    0.49%

    Worldwide • desktop only

    Top regions

    AI21 Labs

    United States19%
    Germany5%
    India5%
    Brazil3%
    United Kingdom3%

    Otter.ai

    United States61%
    United Kingdom8%
    Australia4%
    Canada4%
    India4%

    Ratings & social proof

    AI21 Labs

    5.0/ 5.0
    (62 reviews)

    Otter.ai

    5.0/ 5.0
    (64 reviews)
    Trending
    Featured