# Otter AI vs Serpex

Otter AI records 7,360,981 monthly visits with +9.6% month-over-month growth and Freemium pricing. Serpex records 2,405 monthly visits with -34.3% growth and Freemium, Free Trial, Paid pricing.

| Metric | [Otter AI](https://openaitools.app/tool/otter-ai) | [Serpex](https://openaitools.app/tool/serpex-dev) |
| :--- | :--- | :--- |
| Website URL | https://otter.ai | https://www.serpex.dev |
| Categories | AI Meeting Assistant, AI Note Taker, AI Transcription, AI Summarizer | AI API, AI Web Scraping, AI Developer Tools, AI Search Engine |
| Pricing Model | Freemium | Freemium, Free Trial, Paid |
| Monthly Visits | 7,360,981 | 2,405 |
| MoM Growth Rate | +9.6% | -34.3% |
| Primary Market | United States | India |
| Direct Visits | 5,019,863 | 936 |
| Review Score | 4.5 | 4.3 |
| Saved Count | 21 | 0 |
| Supported Platforms | Website | Website |

## Otter AI

Otter AI began as an AI notetaker and has grown into what the company calls a "Conversational Knowledge Engine." At its core it transcribes meetings in real time, with live transcription, speaker recognition, and multi-language support. Every meeting becomes a searchable record rather than a lost recording. Otter then layers on summaries that include decisions, action items, and insights, plus automatic capture and assignment of next steps.

Beyond transcription, Otter positions itself as a meeting agent that works before, during, and after a call. It delivers pre-call briefings with prior discussions, action items, and updates, offers Live Assist coaching during conversations based on your history and company playbooks, and follows up automatically in the tools you already use. Otter AI Chat lets you ask questions across all your meetings and connected apps to generate follow-ups, reports, and other content.

Otter provides flexible ways to capture meetings: you can send an AI notetaker bot automatically, record bot-free on Mac, Windows, or Chrome, or record on mobile, and it supports live transcription and speaker recognition. Channels group meetings by team, project, or topic for shared collaboration, and an MCP Server lets ChatGPT, Claude, and other AI chat tools securely access your meeting knowledge. Otter markets enterprise-grade security, governance, and compliance controls, and highlights use cases across Sales (CRM sync, live coaching), Education (lecture transcripts, study notes), and Media (interview transcription and content creation).

**Pricing & Plans:** Freemium with paid tiers and enterprise options. Otter offers a free plan to start, plus individual paid plans and enterprise pricing available on request or by scheduling a demo. Specific tier prices are shown on the Otter pricing page and vary over time.

- **Real-time transcription with speaker recognition:** Live transcription in multiple languages with speaker identification, so meeting records are accurate and attributable.
- **Automatic summaries and action items:** Each meeting becomes a clear summary with decisions, action items, and insights, with next steps captured and assigned automatically.
- **Otter AI Chat over your knowledge base:** Ask questions across your meetings and connected apps to instantly produce follow-ups, reports, and content.
- **Live Assist and pre-call briefings:** Get briefing documents before a meeting and real-time, personalised coaching during calls based on your history and playbooks.
- **Flexible capture and broad integrations:** Record via an AI notetaker bot, bot-free desktop/Chrome, or mobile, and sync insights to CRMs and other tools; an MCP Server connects ChatGPT, Claude, and more.

**Strengths:** Accurate real-time transcription with speaker recognition and multi-language support; Automatic summaries and action items remove most manual note-taking; Otter AI Chat searches across meetings and connected apps for instant answers; Flexible capture options, including bot-free desktop and Chrome recording

**Limitations:** Pricing details and limits per tier change and require checking the pricing page; The most advanced coaching, analytics, and admin features sit in higher or enterprise tiers; Accuracy can vary with audio quality and heavy accents or overlapping speakers

[Profile (Markdown)](https://openaitools.app/tool/otter-ai.md)

## Serpex

Serpex provides two core endpoints behind a single API key: a Search endpoint that returns live web results as structured JSON, and an Extract endpoint that converts any URL into clean, readable markdown for AI ingestion. A standard search consumes one credit, and pulling page content along with results lets teams go from discovery to ingestion without juggling a second scraping vendor.

The service is positioned around affordability and throughput. Its published tiers scale from roughly $0.80 per 1,000 requests on small top-ups down to around $0.50 per 1,000 on the $500 tier, with custom pricing for very high volume. Serpex advertises automatic fallback across multiple underlying search sources, so if one source returns nothing the request fails over to another, along with retries and per-source health monitoring.

For developers, there are SDKs and integrations for Python, JavaScript, MCP and LangChain, plus a REST API. New accounts receive free trial credits without a card, and credits are described as non-expiring with a short money-back window on purchases.

**Pricing & Plans:** Pay-as-you-go credit model with a free trial (200 free credits, no card). Published tiers: Starter ~$0.80 per 1,000 requests ($5 top-up), Standard ~$0.65 per 1,000 ($50 top-up) and Scale ~$0.50 per 1,000 ($500 top-up); enterprise volume from ~$0.20 per 1,000. Credits are non-expiring and only successful requests are billed.

- **Search API returning structured JSON:** Send a query and receive live web results as clean, structured JSON that is ready for parsing, ranking or feeding into a model.
- **Built-in content extraction:** Convert any URL into clean, readable markdown in the same API key, removing boilerplate so retrieved text is directly usable for RAG and summarization.
- **Automatic source fallback:** Requests are routed across multiple underlying search sources with health monitoring and automatic retries, so a single empty source does not break your pipeline.
- **Developer SDKs and integrations:** Official libraries and snippets for Python, JavaScript, MCP and LangChain make it a few lines of code to add live search to an agent or app.
- **Pay-as-you-go credits:** Only successful requests consume credits, credits do not expire, and volume discounts scale from small top-ups up to high-throughput plans.

**Strengths:** Search and extraction in one API key, reducing vendor sprawl; Competitive pay-as-you-go pricing with volume discounts; Credits never expire and failed requests are not billed; Automatic fallback and retries reduce pipeline fragility

**Limitations:** No ability to pin a specific search engine source; engine selection is handled automatically; Free tier is a credit-based trial rather than an unlimited free plan

[Profile (Markdown)](https://openaitools.app/tool/serpex-dev.md)

## Frequently Asked Questions

### How do Otter AI and Serpex compare in monthly traffic?

Otter AI has 7,360,981 monthly visits, while Serpex has 2,405. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Otter AI has a month-over-month growth rate of +9.6%; Serpex has -34.3%.

### How does pricing compare?

Otter AI: Freemium. Freemium with paid tiers and enterprise options. Otter offers a free plan to start, plus individual paid plans and enterprise pricing available on request or by scheduling a demo. Specific tier prices are shown on the Otter pricing page and vary over time. Serpex: Freemium, Free Trial, Paid. Pay-as-you-go credit model with a free trial (200 free credits, no card). Published tiers: Starter ~$0.80 per 1,000 requests ($5 top-up), Standard ~$0.65 per 1,000 ($50 top-up) and Scale ~$0.50 per 1,000 ($500 top-up); enterprise volume from ~$0.20 per 1,000. Credits are non-expiring and only successful requests are billed.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Fathom](https://openaitools.app/tool/fathom-2-0) | 5,620,385 | +0.2% | Freemium, Free Trial | Provides a robust free tier with unlimited local video recording, but lacks Otter's deep enterprise knowledge management features. | [.md](https://openaitools.app/tool/fathom-2-0.md) |
| 2 | [Fireflies.ai](https://openaitools.app/tool/fireflies-ai) | 4,411,502 | +3% | Freemium | Excels at automated meeting transcription and CRM integrations, but offers a less conversational live note-taking experience than Otter. | [.md](https://openaitools.app/tool/fireflies-ai.md) |
| 3 | [Notta](https://openaitools.app/tool/notta) | 2,585,354 | +2% | Freemium, Paid, Contact for Pricing | Offers strong multilingual transcription and translation tools, but lacks Otter's widespread enterprise adoption and team collaboration features. | [.md](https://openaitools.app/tool/notta.md) |
| 4 | [Firecrawl](https://openaitools.app/tool/firecrawl-dev) | 1,828,239 | -1.9% | Freemium, Contact for Pricing | Web data API that turns any site into clean, AI-ready content | [.md](https://openaitools.app/tool/firecrawl-dev.md) |
| 5 | [tl;dv](https://openaitools.app/tool/tldv-io) | 1,396,729 | +1.9% | Freemium | Great for recording and clipping video calls across platforms, but less focused on real-time dictation than Otter. | [.md](https://openaitools.app/tool/tldv-io.md) |
| 6 | [TinyFish](https://openaitools.app/tool/tinyfish) | 1,124,952 | +199.7% | Freemium, Contact for Pricing | One API key for agent-grade web search, fetch, browsing and automation | [.md](https://openaitools.app/tool/tinyfish.md) |
| 7 | [Exa](https://openaitools.app/tool/exa-ai) | 1,062,574 | +16.8% | Freemium, Contact for Pricing | Web search API and crawler built for AI agents | [.md](https://openaitools.app/tool/exa-ai.md) |
| 8 | [SERP API (Bright Data)](https://openaitools.app/tool/serp-api) | 802,752 | -5.9% | Paid, Contact for Pricing | Real-time search engine scraping API with structured JSON, HTML, or Markdown output | [.md](https://openaitools.app/tool/serp-api.md) |
| 9 | [Krisp](https://openaitools.app/tool/krisp) | 650,414 | +3.1% | Freemium, Free Trial, Contact for Pricing | Voice AI for meetings, call centers, and developers | [.md](https://openaitools.app/tool/krisp.md) |
| 10 | [Bluedot](https://openaitools.app/tool/bluedot) | 546,739 | -5.4% | Freemium | Bot-free AI note taker that captures and summarizes every meeting | [.md](https://openaitools.app/tool/bluedot.md) |

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Source: https://openaitools.app/compare/otter-ai-vs-serpex-dev

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