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Speaches vs Deepgram: catalog facts
Speaches	Deepgram
Free Free and open source under the MIT licence.	Freemium Free sign-up for trying the APIs, with paid usage and enterprise plans.
Self-hosted	Web, Self-hosted
Drop-in replacement for OpenAI's speech and transcription endpoints Streaming transcription over SSE	Speech-to-text, text-to-speech and voice agents from one provider Real-time streaming as well as batch transcription
A server with an API, not an end-user app Setup is based on Docker	Built for developers integrating an API, not a consumer app Usage beyond the free tier is paid
Self-hosted	Self-hosted, Hosted service
Open source	Closed source
License: MIT	License not stated
No account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 1, 2026

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