How much does WhisperAPI cost?

Pricing is credit-based with no monthly fees. Options include $5 for 20 credits, $20 for 100 credits, $30 for 200 credits, and custom plans starting at $100. Bulk pricing drops to about $0.10 per credit.

Do I need an OpenAI API key?

No, you do not need to hold an OpenAI key or manage your own GPUs. WhisperAPI wraps the model behind a straightforward REST API and a no-code browser uploader for convenience.

What are the limitations of WhisperAPI?

The service does not offer speaker diarization, real-time streaming captions, or advanced post-processing. It is strictly a transcription endpoint. If you need these features, you should skip it.

Who is WhisperAPI best for?

It is ideal for developers wanting a Whisper endpoint without infrastructure setup and non-technical users who prefer a drag-and-drop dashboard. It is not recommended if you are comfortable self-hosting whisper.cpp or faster-whisper.

WhisperAPI

Hosted OpenAI Whisper transcription with a pay-as-you-go API and drop-in web dashboard.

Paid· 20 API Credits: $5 · 100 API Credits: $20 · 200 API Credits: $30 · Custom: $100.00AudioOpenAI Whisper6.9 / 10

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In short

WhisperAPI offers a managed, pay-as-you-go REST API and dashboard for OpenAI Whisper transcription. It handles files up to 10GB without requiring GPU management or OpenAI keys.

Best for

Pick WhisperAPI if you need a no-fuss, pay-per-use Whisper endpoint for transcribing files without managing GPUs or juggling OpenAI keys.

Skip if

Skip it if you need speaker diarization, real-time streaming captions, or you're already comfortable self-hosting whisper.cpp or faster-whisper.

WhisperAPI is a managed transcription service that wraps OpenAI's Whisper speech-recognition model behind a straightforward REST API and a no-code browser uploader. You send an audio or video file (up to 10GB), pick a model size, and get back text or timestamped subtitles in JSON, TXT, VTT, DOCX, or PDF. The pitch is speed and convenience: roughly 10 minutes of audio transcribed in under a minute, with claimed 99.8% accuracy across 98+ languages, and no need to provision your own GPUs or hold an OpenAI key.

It's aimed at two audiences: developers who want a Whisper endpoint without standing up infrastructure, and non-technical users who just want to drag a file into a dashboard and download a transcript. Pricing is credit-based and refreshingly simple - $5 for 20 credits at the low end, dropping to about $0.10/credit in bulk, with no monthly fees or expiration. Files are auto-deleted after 24 hours, which is a sensible default for privacy-conscious workflows.

The trade-off is that you're paying a margin over what you'd pay running Whisper yourself (open-source weights are free) or hitting OpenAI's own audio API directly. There's no diarization, real-time streaming, or fancy post-processing layer advertised - this is Whisper-as-a-service, nothing more, nothing less.

Editor's take

A clean, narrowly-scoped utility that does one thing - Whisper transcription - and prices it sensibly with no subscription lock-in. It's not pushing the state of the art, but for teams who just need a transcript endpoint by Friday, it's a perfectly reasonable buy versus rolling your own.

— The AI Tool Bible editorial team

Pros

✅ Hosted Whisper with no GPU or OpenAI key required
✅ Generous 10GB file size and 98+ language coverage
✅ Credits never expire and no monthly minimums
✅ Outputs JSON, VTT, DOCX, PDF out of the box

Cons

⚠️ More expensive than self-hosting open-source Whisper
⚠️ No advertised diarization or real-time streaming
⚠️ Thin product surface - essentially a Whisper wrapper

Use cases

audio-transcriptionvideo-subtitlesmultilingual-transcriptionpodcast-to-text

Frequently asked

How much does WhisperAPI cost?: Pricing is credit-based with no monthly fees. Options include $5 for 20 credits, $20 for 100 credits, $30 for 200 credits, and custom plans starting at $100. Bulk pricing drops to about $0.10 per credit.
What file types and sizes are supported?: You can upload audio or video files up to 10GB. The service returns text or timestamped subtitles in JSON, TXT, VTT, DOCX, or PDF formats. Files are automatically deleted after 24 hours.
Do I need an OpenAI API key?: No, you do not need to hold an OpenAI key or manage your own GPUs. WhisperAPI wraps the model behind a straightforward REST API and a no-code browser uploader for convenience.
What are the limitations of WhisperAPI?: The service does not offer speaker diarization, real-time streaming captions, or advanced post-processing. It is strictly a transcription endpoint. If you need these features, you should skip it.
Who is WhisperAPI best for?: It is ideal for developers wanting a Whisper endpoint without infrastructure setup and non-technical users who prefer a drag-and-drop dashboard. It is not recommended if you are comfortable self-hosting whisper.cpp or faster-whisper.