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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.

See pricing

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 →

OpenAI gpt-4o-transcribe pricing

Published rates: batch $0.006/min, verified Jul 20, 2026 (source).

OpenAI gpt-4o-transcribe cost at monthly volume tiers
Monthly volumeMonthly bill (batch)
1K min/moSide project$6
10K min/moProduction app$60
100K min/moCall-center scale$600

Sticker rates only; diarization and PII redaction add-ons price in the stack builder. How we compute costs →

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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Voice agents in this stack

The same vendor runs this engine as a full agent platform: see OpenAI Realtime API for the end-to-end per-minute cost. Or compare the platforms builders wire OpenAI gpt-4o-transcribe into: Pipecat, Twilio ConversationRelay, or the full voice-agent comparison →

Want it done for you?

OpenAI gpt-4o-transcribe gets you a transcript; the bot that joins the call, labels speakers, and writes the summary is still your build. If that is more pipeline than you want to own, AI meeting notetakers do the whole job end to end: Otter.ai, Fireflies.ai, Fathom, or the full notetaker comparison.

OpenAI gpt-4o-transcribe head-to-head

Call CenterswonDictationtieMedicaltieMeetingswonSelf-HostedtieVoice Agentswon