What is Whisper API?
Transcription API with speaker detection: $5 a month for about 30 hours, first month free.
Who is Whisper API best for?
Whisper API is best for developers who want low-cost, OpenAI-compatible speech-to-text with speaker labels.
Developers on a budget
Transcription costs about $0.17 an hour, and the API accepts OpenAI's client libraries, so switching takes a few lines of code.
Podcasts and interviews
Speaker labels mark who said what for up to 4 speakers in one recording.
Subtitles for video
It returns SRT and VTT files with timestamps and takes video files such as MP4, MOV and WebM directly.
Teams with EU data rules
An EU endpoint keeps processing inside the EU for 20% more, and audio is deleted as soon as it has been transcribed.
How much does Whisper API cost?
Whisper API costs $5 a month for about 30 hours of transcription, extra audio costs $0.50 per 3 hours, and the first month is a free trial.
- 10 million credits, about 30 hours of transcription
- $0.50 per extra million credits, about 3 more hours
- First month free, with 30 hours included
Whisper API is run by Lemonfox.ai, and one plan covers all of Lemonfox's APIs: the same 10 million credits could instead buy about 2 million characters of text-to-speech. Sending audio to Lemonfox's EU servers adds 20%, so 3 hours cost $0.60 instead of $0.50. That works out to about $0.17 an hour of audio on the standard servers. Full pricing on lemonfox.ai. We checked these prices on .
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What are the best Whisper API alternatives?
Three tools on Recaply do Whisper API's job.
Questions about Whisper API
What is Whisper API?
Transcription API with speaker detection: $5 a month for about 30 hours, first month free.
Who is Whisper API for?
Whisper API is best for developers who want low-cost, OpenAI-compatible speech-to-text with speaker labels.
Is Whisper API free?
Only for the first month. Whisper API's free trial runs for one month and includes 30 hours of transcription; after that the plan costs $5 a month with about 30 hours included, and extra audio costs $0.50 per 3 hours.
How much does Whisper API cost?
Whisper API's paid plans are Monthly at $5 per month.
What are the best Whisper API alternatives?
The closest alternatives on Recaply are AssemblyAI, Rev AI and Speechmatics.
Where can I try Whisper API?
On its official website, whisperapi.com.
Is Whisper API made by OpenAI?
No. WhisperAPI.com is run by Lemonfox.ai and says it has no link to OpenAI. It hosts the open Whisper large-v3 speech model behind an API that works with OpenAI's client libraries, so code written for OpenAI needs little change.
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