assemblyai.com

mx

aspmx.l.google.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx3.googlemail.com

aspmx2.googlemail.com

ns

ns-1906.awsdns-46.co.uk

ns-608.awsdns-12.net

ns-1325.awsdns-37.org

ns-18.awsdns-02.com

caa

txt

hcp-domain-verification=24d47868cd6dbc52a88ce43258bacaf80716c185928bc696c4db541731b79a06

google-site-verification=RL230tphkRcg25-YHnLSbYanUw9xvtaHHewMINPVVkw

stytch_verification_dns=slash-magnolia-9525

MS=ms41451824

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lovable_verification=YmjEOdJf6YgqFk70wINF

dmarc

v=DMARC1;p=quarantine;rua=mailto:0cbb0ed462@rua.easydmarc.us,mailto:dmarc-reports@assemblyai.com;ruf=mailto:0cbb0ed462@ruf.easydmarc.us,mailto:dmarc-reports@assemblyai.com;fo=0:1:d:s;

# https://www.robotstxt.org/robotstxt.html
User-agent: *
Allow: /
Disallow: /.well-known
Disallow: /playground/transcript/*

Sitemap: https://www.assemblyai.com/sitemap.xml

Sitemap: https://www.assemblyai.com/sitemap-index.xml

Sitemap: https://www.assemblyai.com/dashboard/sitemap.xml

Sitemap: https://www.assemblyai.com/playground/sitemap.xml

Sitemap: https://www.assemblyai.com/docs/sitemap.xml

# AssemblyAI

> AssemblyAI provides production-ready Voice AI models for speech-to-text, real-time streaming transcription, speaker diarization, Speech Understanding, Guardrails, Text-to-Speech, and the LLM Gateway. This file indexes the Markdown sources agents should prefer over crawling the HTML marketing site.

## Agent Instructions

- Prefer the Markdown sources linked in this file over crawling HTML pages.
- For documentation pages, append `.md` to the page URL to get the Markdown version (e.g. `https://www.assemblyai.com/docs/getting-started/models.md`).
- For the complete documentation index, use https://www.assemblyai.com/docs/llms.txt.
- For all documentation in a single file, use https://www.assemblyai.com/docs/llms-full.txt.
- For coding assistants and agentic IDEs, start with [Build with AI coding agents](https://www.assemblyai.com/docs/agent-instructions.md) and the docs MCP server at https://www.assemblyai.com/docs/mcp.

## Core References

- [Pricing](https://www.assemblyai.com/llms/pricing.md): canonical rate card, billing rules, and add-on stacking.
- [Models & terminology](https://www.assemblyai.com/llms/models.md): model identifiers, language support, deprecations, capability matrices, API parameters, terminology rules, and streaming WebSocket URLs.

## Documentation

- [Documentation index — all pages](https://www.assemblyai.com/docs/llms.txt): the docs team's complete, authoritative index.
- [All documentation in one file](https://www.assemblyai.com/docs/llms-full.txt)
- [Build with AI coding agents](https://www.assemblyai.com/docs/agent-instructions.md): integration guidance for Cursor, Claude Code, Copilot, and other AI coding assistants.
- [Models overview](https://www.assemblyai.com/docs/getting-started/models.md): how to choose a speech model.
- [Universal-3.5 Pro](https://www.assemblyai.com/docs/pre-recorded-audio/universal-3-5-pro.md): the flagship pre-recorded speech-to-text model.
- [Transcribe a file — pre-recorded quickstart](https://www.assemblyai.com/docs/pre-recorded-audio/getting-started/transcribe-an-audio-file.md)
- [Transcribe streaming audio — streaming quickstart](https://www.assemblyai.com/docs/streaming/getting-started/transcribe-streaming-audio.md)
- [Speech Understanding](https://www.assemblyai.com/docs/speech-understanding/getting-started.md): LLM-powered analysis over transcripts.
- [LLM Gateway](https://www.assemblyai.com/docs/llm-gateway/overview.md): apply leading LLMs to audio through one API.
- [API reference](https://www.assemblyai.com/docs/api-reference/overview.md)
- [End-to-end examples](https://www.assemblyai.com/docs/getting-started/end-to-end-examples.md)
- [FAQ](https://www.assemblyai.com/docs/faq.md)

## Website Pages

- [Home](https://www.assemblyai.com/index.md)
- [Products overview](https://www.assemblyai.com/products.md)
- [Speech-to-Text](https://www.assemblyai.com/products/speech-to-text.md)
- [Streaming Speech-to-Text](https://www.assemblyai.com/products/streaming-speech-to-text.md)
- [Sync Speech-to-Text](https://www.assemblyai.com/products/sync-speech-to-text.md)
- [Speech Understanding](https://www.assemblyai.com/products/speech-understanding.md)
- [Guardrails](https://www.assemblyai.com/products/guardrails.md)
- [LLM Gateway](https://www.assemblyai.com/products/llm-gateway.md)
- [Pricing](https://www.assemblyai.com/llms/pricing.md)
- [Benchmarks](https://www.assemblyai.com/benchmarks.md)
- [Customers](https://www.assemblyai.com/customers.md)
- [Blog](https://www.assemblyai.com/blog.md)
- [Changelog](https://www.assemblyai.com/changelog.md)

## Optional

- [Security](https://www.assemblyai.com/security): security and compliance overview.