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OpenAI gpt-4o-transcribe Review

Flagship GPT-4o based transcription API from OpenAI

Among the 43 speech-to-text tools we track, OpenAI gpt-4o-transcribe has the 21st-widest language coverage.

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Facts verified Jul 20, 2026Try OpenAI gpt-4o-transcribe

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What we know about OpenAI gpt-4o-transcribe

OpenAI gpt-4o-transcribe is a speech-to-text apis platform: flagship GPT-4o based transcription API from OpenAI. This profile tracks every OpenAI gpt-4o-transcribe fact we have verified, each linked to a primary source and dated.

OpenAI gpt-4o-transcribe does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current OpenAI gpt-4o-transcribe quote, it is the fastest way for us to close that gap.

On capabilities, OpenAI gpt-4o-transcribe covers language auto-detection, custom vocabulary / keyterm boosting, soc 2 type ii, gdpr / eu data residency, and websocket streaming api, and does not offer word-level timestamps, entity detection, and sentiment analysis. Each of those is verified against OpenAI gpt-4o-transcribe's own docs or dashboard, not marketing copy.

For compliance, with OpenAI gpt-4o-transcribe: SOC 2 Type II is in place. If you are in a regulated space, confirm the current posture with OpenAI gpt-4o-transcribe before you commit, since these change plan by plan.

OpenAI gpt-4o-transcribe ranks the 21st-widest language coverage of the 43 speech-to-text tools we track, so where it lands for you depends on which of those matters more.

In total we track 22 verified facts for OpenAI gpt-4o-transcribe today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the OpenAI gpt-4o-transcribe fact sheet below.

Reviewed by vsref Editorialfacts verified Jul 20, 2026Methodology →

Fact sheet

Pricing
Pricing facts
Batch price per audio minute0.006 $/audio-minJul 20
Pricing modelusageJul 20
Concurrency on base planTier-based rate limits; Tier 1: 500 RPM / 10,000 TPMJul 20
Capabilities
Capabilities facts
WER (third-party benchmark)3.96 % WERJul 20
Languages supported57 languagesJul 20
Language auto-detection✓ YesJul 20
Speaker diarization✓ IncludedJul 20
PII redaction✗ Not availableJul 20
Word-level timestamps✗ NoJul 20
Custom vocabulary / keyterm boosting✓ YesJul 20
Entity detection✗ NoJul 20
Sentiment analysis✗ NoJul 20
Summarization endpoint✗ NoJul 20
Speech translation✗ NoJul 20
Compliance & trust
Compliance & trust facts
HIPAA BAA available✓ YesJul 20
SOC 2 Type II✓ YesJul 20
GDPR / EU data residency✓ YesJul 20
Self-host / on-prem option✗ NoJul 20
Build experience
Build experience facts
Official SDKsPython, JS/TS, .NET, Java, Go, RubyJul 20
Max file size / duration25 MB max upload; no duration limit statedJul 20
Supported audio formatsmp3, mp4, mpeg, mpga, m4a, wav, webmJul 20
Websocket streaming API✓ YesJul 20

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