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AssemblyAI vs Deepgram: catalog facts
AssemblyAI	Deepgram
Paid Commercial API service; see the site for current rates.	Freemium Free sign-up for trying the APIs, with paid usage and enterprise plans.
Web	Web, Self-hosted
Realtime and pre-recorded transcription in 99 languages Speech understanding and dictation APIs alongside transcription	Speech-to-text, text-to-speech and voice agents from one provider Real-time streaming as well as batch transcription
Built for developers, not a ready-made transcription app Cloud API by default	Built for developers integrating an API, not a consumer app Usage beyond the free tier is paid
Hosted service	Self-hosted, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.