GPT-4o Transcribe Diarize
GPT-4o Transcribe Diarize is worth evaluating for vision when its provider route and context window match the workload.
Use it for
- Teams evaluating vision
- Workloads that can use a 16k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Strict JSON or tool-calling flows
- Family
- OpenAI Transcribe
- Released
- 2025-10-18
- Context
- 16k
- Max output
- 2,000
- Architecture
- Decoder Only
- Knowledge cutoff
- 2024-09
- Specialization
- transcription
- Openness
- Proprietary
- License
- ProprietaryCommercial use with conditions
- Training
- finetuned
Cheapest of 1 route · OpenAI API
About
GPT-4o Transcribe Diarize is OpenAI's automatic speech recognition model with integrated speaker diarization, released October 18, 2025. Identifies and labels who is speaking at each moment in multi-speaker audio, producing a diarized_json response with speaker labels and segment timestamps. Optionally accepts 2–10 second reference audio clips for up to 4 known speakers. Requires chunking for audio >30 seconds. Same pricing as gpt-4o-transcribe: $2.50/1M audio tokens in, $10.00/1M text tokens out. API ID: gpt-4o-transcribe-diarize.
GPT-4o Transcribe Diarize is a proprietary model in the OpenAI Transcribe family. The structured metadata tracks a 16k-token context window, multimodal input, and audio. This page tracks provider routes through OpenAI API. No headline benchmark score is tracked for GPT-4o Transcribe Diarize yet.
Top use-case fit
Vision
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| OpenAI API | - | $10.00 | ServerlessPartial |
Capabilities
Benchmark peer barsfor Vision
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
API versions
gpt-4o-transcribe-diarizeCheapest of 1 route · OpenAI API