audio model comparison
GPT Transcribe vs Grok Voice Transcribe 2.0
GPT Transcribe and Grok Voice Transcribe 2.0 are both current audio models, from OpenAI and xAI. Grok Voice Transcribe 2.0 is 63% cheaper per audio minute than GPT Transcribe, $0.001667 vs $0.0045. On Artificial Analysis AA-WER v2, GPT Transcribe scores 3.31 % WER and Grok Voice Transcribe 2.0 2.29 % WER (Artificial Analysis, measured October 13, 2026).
Data verified October 13, 2026 · Dataset 2026-10-13
Side by side
Standard-tier prices in effect today. The better value in each row is highlighted.
| Fact | GPT Transcribe | Grok Voice Transcribe 2.0 |
|---|---|---|
| Price per audio minute | $0.0045 | $0.001667 (better) |
| Artificial Analysis AA-WER v2 | 3.31 % WER (#5 of 6) | 2.29 % WER (#3 of 6) (better) |
| Artificial Analysis AA-WER Streaming | Not measured | 2.73 % WER (#1 of 2) |
| Provider | OpenAI | xAI |
| Release date | July 28, 2026 | September 18, 2026 |
| Access | API only | API only |
| Context window | Not reported | Not reported |
| Max output | Not reported | Not reported |
| Input | audio, text | audio |
| Output | text | text |
Scores:Artificial Analysis · 2026-10-13Artificial Analysis · 2026-10-13
When to choose each
GPT Transcribe
Best for
- Transcribing recorded audio files
Watch out for
- Live microphone audio goes to a separate model, gpt-live-transcribe, at $0.017 per minute
- OpenAI's model page does not mention speaker diarization
Grok Voice Transcribe 2.0
Best for
- Low-cost batch transcription
- Streaming transcription for voice apps
Watch out for
- xAI's per-model page leaves pricing blank; the rates come from its models table and launch post
GPT Transcribe vs Grok Voice Transcribe 2.0 FAQ
Which is cheaper, GPT Transcribe or Grok Voice Transcribe 2.0?
Grok Voice Transcribe 2.0 is 63% cheaper per audio minute than GPT Transcribe, $0.001667 vs $0.0045.
Which scores higher on independent benchmarks, GPT Transcribe or Grok Voice Transcribe 2.0?
Grok Voice Transcribe 2.0 leads on Artificial Analysis AA-WER v2, 2.29 % WER to 3.31 % WER. Scores are independent evaluations, not either vendor's launch figures.
Related comparisons
- Gemini 3.1 Flash Live Preview vs GPT Transcribe
- Gemini 3.5 Transcribe vs GPT Transcribe
- Gemini 3.5 Transcribe vs Grok Voice Transcribe 2.0
- Gemini 3.8 Live vs GPT Transcribe
- GPT-4o Transcribe vs GPT Transcribe
- GPT-4o Transcribe vs Grok Voice Transcribe 2.0
- GPT Transcribe vs MAI-Transcribe-2
- GPT Transcribe vs Scribe v2
- Grok Voice Transcribe 2.0 vs MAI-Transcribe-2
- Grok Voice Transcribe 2.0 vs Scribe v2
Production evaluation
Choosing between GPT Transcribe and Grok Voice Transcribe 2.0?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty