Grok Voice Transcribe 2.0 benchmarks, pricing and specs
Grok Voice Transcribe 2.0 is a xAI model released on September 18, 2026 that takes audio input and produces text. It costs $0.001667 per audio minute. It scores 2.29 % WER on Artificial Analysis AA-WER v2, #3 of 6 current models (Artificial Analysis, measured October 13, 2026).
- Per audio minute
- $0.001667
- Artificial Analysis AA-WER v2
- 2.29 % WER · #3/6
Data verified October 13, 2026 · Dataset 2026-10-13
Key facts
- Provider
- xAI
- Model family
- Grok Voice
- Release date
- September 18, 2026
- Status
- Current
- Access
- API only
- API model id
- grok-voice-transcribe-2.0
- Context window
- Not reported
- Max output
- Not reported
- Input
- audio
- Output
- text
- Task families
- audio
- Declared capabilities
- speech to text, diarization
Grok Voice Transcribe 2.0 pricing
It is tied for the cheapest of 12 current audio models priced per audio minute.
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. xAI's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
| Benchmark | Score | Rank | Measured | Source |
|---|---|---|---|---|
| Artificial Analysis AA-WER v2 | 2.29 % WER | #3 of 6 | October 13, 2026 | Artificial Analysis · 2026-10-13 |
| Artificial Analysis AA-WER Streaming | 2.73 % WER | #1 of 2 | October 13, 2026 | Artificial Analysis · 2026-10-13 |
Strengths, cautions and best uses
Strengths
- xAI reports it is twice as accurate as Grok Voice Transcribe 1.0 at the same price
- 38+ languages with diarization, word timestamps, multichannel audio and key-term biasing
- Batch over REST at $0.10 per hour of audio, or streaming over WebSocket at $0.20 per hour
Cautions
- xAI's per-model page leaves pricing blank; the rates come from its models table and launch post
Best for
- Low-cost batch transcription
- Streaming transcription for voice apps
Alternatives to Grok Voice Transcribe 2.0
The closest current audiomodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
MAI-Transcribe-2
- Same price per audio minute, $0.001667
- 0.2 points higher on Artificial Analysis AA-WER v2, 2.04 vs 2.29
- From Microsoft AI
Scribe v2
- 2.2x the price per audio minute, $0.003667 vs $0.001667
- 0.1 points higher on Artificial Analysis AA-WER v2, 2.18 vs 2.29
- From ElevenLabs
GPT Transcribe
- 2.7x the price per audio minute, $0.0045 vs $0.001667
- 1 points lower on Artificial Analysis AA-WER v2, 3.31 vs 2.29
- From OpenAI
Gemini 3.5 Transcribe
- 3.0x the price per audio minute, $0.005 vs $0.001667
- 0.3 points lower on Artificial Analysis AA-WER v2, 2.6 vs 2.29
- From Google
Compare Grok Voice Transcribe 2.0 with
Grok Voice Transcribe 2.0 FAQ
How much does Grok Voice Transcribe 2.0 cost?
Grok Voice Transcribe 2.0 costs $0.001667 per audio minute at the standard tier. It is tied for the cheapest of 12 current audio models priced per audio minute. Source: xAI, verified October 13, 2026.
How does Grok Voice Transcribe 2.0 score on independent benchmarks?
Grok Voice Transcribe 2.0 scores 2.29 % WER on Artificial Analysis AA-WER v2, #3 of 6 current models (Artificial Analysis, measured October 13, 2026) and 2.73 % WER on Artificial Analysis AA-WER Streaming, #1 of 2 current models (Artificial Analysis, measured October 13, 2026). These are independent evaluations, not xAI's own launch figures.
Is Grok Voice Transcribe 2.0 open source or API only?
Grok Voice Transcribe 2.0 is available through xAI's API only; its weights are not published.
What are the best alternatives to Grok Voice Transcribe 2.0?
The closest current alternatives by price and measured performance are MAI-Transcribe-2 (same price per audio minute, $0.001667), Scribe v2 (2.2x the price per audio minute, $0.003667 vs $0.001667), GPT Transcribe (2.7x the price per audio minute, $0.0045 vs $0.001667) and Gemini 3.5 Transcribe (3.0x the price per audio minute, $0.005 vs $0.001667).
Sources
- Grok Voice Transcribe 2.0 model · xAI · official · verified October 13, 2026
- Grok Voice Transcribe 2.0 announcement · xAI · official · verified October 13, 2026
- xAI models and pricing · xAI · official · verified October 13, 2026
- Artificial Analysis speech-to-text leaderboard (AA-WER v2, non-streaming) · Artificial Analysis · independent · verified October 13, 2026 · Artificial Analysis Terms of Use
- Artificial Analysis speech-to-text leaderboard (AA-WER Streaming) · Artificial Analysis · independent · verified October 13, 2026 · Artificial Analysis Terms of Use
Cite this page
Van Data Team. "Grok Voice Transcribe 2.0 Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-13. https://vandatateam.com/ai-model-benchmarks/grok-voice-transcribe-2-0
Reuse the data: JSON · CSV · or explore every model in the AI model benchmark comparison.
Production evaluation
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