Side-by-side comparison

    Otter.ai vs Serpex

    Both Otter.ai and Serpex are leading ai seo tools. This side-by-side comparison helps you pick the right one for your use case.

    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%
    VS
    Serpex

    Serpex

    Real-time, structured search API for AI and data projects.

    AI SEO Tools
    Freemium
    5.0
    0/mo
    +0.0%

    Quick comparison

    Monthly Traffic
    Otter.ai7.5M
    Serpex0
    Traffic Growth
    Otter.ai+24.5%
    Serpex+0.0%
    User Rating
    Otter.ai5.0
    Serpex5.0
    Total Reviews
    Otter.ai64
    Serpex74

    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

    About Serpex

    Serpex.dev offers a REST API/SDKs for real-time, structured Search data, providing LLMs and SaaS apps live search insights without the complexities of web scraping. It is a fast, affordable search API designed for AI and data projects, unifying real-time web search by routing queries across multiple search engines like Google, Bing, DuckDuckGo, Brave, Yahoo, and Yandex. Serpex handles common issues such as blocking, CAPTCHAs, and IP bans, delivering structured JSON data for easy integration.

    Based in SerperLaunched October 24, 2025

    Detailed comparison

    AttributeOtter.aiSerpex
    CategoryAI SEO ToolsAI SEO Tools
    Pricing modelFreemiumFreemium
    Launch dateMarch 7, 2023October 24, 2025
    PlatformsWebsiteWebsite
    Monthly traffic7.5M0
    Region focusUnited StatesGlobal
    User rating5.0 (64)5.0 (74)
    Estimated revenueN/AN/A

    Feature comparison

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

    SupportedPartialNot supported
    Feature
    Otter.aiRebrand· 3
    SerpexRebrand· 0
    AI SEO features· 11
    Integrations· 36
    Airtable
    A: native
    Amazon S3
    A: native
    Android app
    A: native
    Asana
    A: native
    ClickUp
    A: native
    Desktop app for Windows and Mac
    A: native
    Dialpad
    A: native
    Dropbox
    A: native
    Egnyte
    A: native
    Google Calendar
    A: native
    Google Chrome Extension
    A: native
    Google Docs
    A: native
    Google Drive
    A: native
    Google Meet
    A: native
    Greenhouse
    A: native
    HubSpot
    A: native
    iOS app
    A: native
    JIRA
    A: native
    JustCall
    A: native
    Microsoft Dynamics
    A: native
    Microsoft OneDrive
    A: native
    Microsoft Outlook
    A: native
    Microsoft Teams
    A: native
    Monday.com
    A: native
    Notion
    A: native
    Outreach
    A: native
    RingCentral
    A: native
    Salesforce
    A: native
    Salesloft
    A: native
    SharePoint
    A: native
    Slack
    A: native
    Snowflake
    A: native
    Zapier
    A: zapier
    Zoho
    A: native
    Zoom
    A: native
    Zoom Phone
    A: native
    Built for· 6
    General
    B: 8 use-cases
    Media professionals
    A: 1 use-case
    Recruiters
    A: 1 use-case
    Sales teams
    A: 1 use-case
    SDRs / inbound sales
    A: 1 use-case
    Students and educators
    A: 1 use-case

    Frequently asked

    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.

    Serpex

    Serpex

    What is Serpex?

    Serpex.dev offers a REST API/SDKs for real-time, structured Search data, providing LLMs and SaaS apps live search insights without the complexities of web scraping. It is a fast, affordable search API designed for AI and data projects, unifying real-time web search by routing queries across multiple search engines like Google, Bing, DuckDuckGo, Brave, Yahoo, and Yandex. Serpex handles common issues such as blocking, CAPTCHAs, and IP bans, delivering structured JSON data for easy integration.

    How to use Serpex?

    To use Serpex, developers can integrate its REST API or SDKs (available for JavaScript, Python, cURL) into their applications. Users make API calls by specifying parameters such as the query (q), desired search engine (or 'auto' for routing), category, and time range. Serpex then processes the query, handles any blocking or CAPTCHAs, and returns structured JSON search results. An interactive playground is available for testing queries and managing API keys.

    What are credits and how do they work?

    The input content lists this question but does not provide a direct answer. However, credits are used for API requests, with different packages offering varying amounts of credits at different price points. Credits never expire.

    How fast are the API responses?

    Serpex boasts an average response time under 2.5 seconds, with P95 response time under 3.7 seconds and P99 response time under 4.2 seconds, designed for high throughput and time-sensitive tasks.

    Is there a free trial?

    Yes, Serpex offers 200 free credits to try the service without requiring a credit card.

    Positioning

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

    Traffic sources

    Otter.ai

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

    Worldwide • desktop only

    Serpex

    Search
    0.00%
    Direct
    0.00%
    Referrals
    0.00%
    Social
    0.00%

    Top regions

    Otter.ai

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

    Serpex

    No regional data available.

    Ratings & social proof

    Otter.ai

    5.0/ 5.0
    (64 reviews)
    Trending
    Featured

    Serpex

    5.0/ 5.0
    (74 reviews)