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Whisper (OpenAI) costs $0.00 to $0.01 per minute as of July 2026, with 3 plans available including a free tier. Plans: GPT-4o Mini Transcribe (free), Whisper / GPT-4o Transcribe (free), and Enterprise (via ChatGPT Enterprise / API) (free). Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

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  • Free tier: Yes

Whisper (OpenAI) offers 3 pricing tiers: GPT-4o Mini Transcribe, Whisper / GPT-4o Transcribe, Enterprise (via ChatGPT Enterprise / API). The Whisper / GPT-4o Transcribe plan is developers needing accurate, affordable transcription with the simplest possible integration and no add-on fees.

Last verified: | Sources: 5 pricing pages and reviews
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Whisper (OpenAI) lists $0.003-$0.006/minute, but hidden costs like implementation and support add to the total as of July 2026. Key hidden costs: actual costs may exceed the $0.006/min headline rate: developer reports indicate real-world costs averaging $0.010/min due to billing rounding, retries on failed requests, and processing overhead -- across 648 hours one developer reported spending $397 vs an estimated $233 (70% over budget), no built-in speaker diarization on legacy whisper model: while gpt-4o transcribe now includes diarization at $0.006/min, the legacy whisper model requires a separate post-processing step using gpt-4o or a third-party service, adding $0.002-$0.01/min in additional costs, 25 mb file size limit forces chunking overhead: audio files over 25 mb must be split into smaller segments before upload, requiring engineering effort for chunk management, overlap handling, and transcript reassembly -- budget $500-$1,500 for initial chunking pipeline development. Verified from 5 sources by CostBench.

Hidden Costs Breakdown

1

Actual costs may exceed the $0.006/min headline rate: Developer reports indicate real-world costs averaging $0.010/min due to billing rounding, retries on failed requests, and processing overhead -- across 648 hours one developer reported spending $397 vs an estimated $233 (70% over budget)

2

No built-in speaker diarization on legacy Whisper model: While GPT-4o Transcribe now includes diarization at $0.006/min, the legacy Whisper model requires a separate post-processing step using GPT-4o or a third-party service, adding $0.002-$0.01/min in additional costs

3

25 MB file size limit forces chunking overhead: Audio files over 25 MB must be split into smaller segments before upload, requiring engineering effort for chunk management, overlap handling, and transcript reassembly -- budget $500-$1,500 for initial chunking pipeline development

4

No HIPAA BAA available: OpenAI does not offer a Business Associate Agreement, making the Whisper API unusable for Protected Health Information (PHI) -- organizations with healthcare data must self-host Whisper on HIPAA-compliant infrastructure at $1,400+/month

5

Self-hosting break-even at 500+ hours/month: At $0.006/min, 500 hours costs $180/month via API vs ~$276/month for self-hosted GPU infrastructure -- above 500 hours self-hosting becomes cheaper but requires DevOps expertise and GPU management overhead

6

Rate limits throttle high-volume processing: Default tier allows only 50 requests per minute -- processing 10,000+ files requires careful queue management, retry logic, and potentially upgrading to higher API tiers which require spending history with OpenAI

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