OpenAI Speech to Text API: pricing, free plan limits, languages and privacy
Audio transcription API with file and realtime workflows; speaker labels and subtitle output depend on the chosen model.
Visit OpenAI Speech to Text API Data checked:
Key facts
| Type | API, File transcription, Live transcription |
|---|---|
| Platforms | Web Web console and API access. source |
| Free plan | No free plan The GPT-4o Mini Transcribe model page lists the free usage tier as unsupported. source |
| Paid from | Not verified The lowest listed transcription estimate is $0.003/minute for gpt-4o-mini-transcribe; gpt-transcribe is $0.0045/minute. The guide marks the former deprecated, with shutdown on February 26, 2027. No fixed subscription. source 1 source 2 |
| Languages | ENJAZH source |
| Max length per file | Paid: Not verified File uploads are limited to 25 MB; a duration in minutes was not verified. source |
| Speaker labels | Yes Speaker labels require gpt-4o-transcribe-diarize, which the guide marks deprecated until shutdown on February 26, 2027. source |
| Export | JSON, SRT, VTT Output depends on the model; SRT and VTT use whisper-1. The guide marks whisper-1 deprecated until February 26, 2027. source |
| Meeting bot | Not verified source |
| Offline | No This entry covers the managed cloud service. source |
| Trains on your data? | Only if you opt in Data controls: API data is not used to train or improve models unless you explicitly opt in to share it. source |
| API | Yes source |
Similar tools
| Tool | Free plan | Paid from | Languages | Trains on your data? |
|---|---|---|---|---|
| Amazon Transcribe API, File transcription, Live transcription | Pricing page: 60 minutes/month for 12 months from the first transcription request, subject to offer restrictions. | Not verified | ENJAZH | Yes, unless you opt out |
| Amberscript File transcription, API | No free plan A free trial is offered; its duration and allowance were not verified. | Not verified | ENJAZH 90+ languages | No |
| AssemblyAI API, File transcription, Live transcription | No free plan The pricing page offers a free start; a recurring monthly minute allowance was not verified. | Not verified | ENJAZH 99 languages | Yes, unless you opt out |
| Deepgram API, File transcription, Live transcription | No free plan $200 in introductory credits; no recurring free minute allowance verified. | Not verified | ENJAZH | Yes, unless you opt out |
| ElevenLabs Speech to Text (Scribe) API, File transcription, Live transcription | The Free column lists 12 minutes/month for Scribe v2 in the UI; API usage is listed separately. | $6/mo (Starter) | ENJAZH 99 languages | Yes, unless you opt out |
| Google Cloud Speech-to-Text API, File transcription, Live transcription | V1 standard recognition: first 60 minutes/month free; this is not a V2 allowance. | Not verified | ENJAZH | Only if you opt in |
| Maestra File transcription, Live transcription, API | No free plan The audio-to-text page shows a 1-minute preview; export and account requirements differ between its UI and FAQ. | Not verified | ENJAZH 125+ languages | Unclear |
| Scribie File transcription, API | No free plan | Not verified | ENJAZH | Yes, unless you opt out |
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