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Grok 4 Fast (Non-reasoning)
SpaceXAI · Released 2025-09-19 · Independent benchmark scores from Artificial Analysis
Intelligence Index
16.5
Output speed
0.0
tokens/sec
Blended price
$0.28
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | 2dbb6dc7-8c40-4b6d-af9c-cf805f83b79a |
|---|---|
| Slug | grok-4-fast |
| Release date | 2025-09-19 |
| Provider | SpaceXAI |
| Provider slug | xai |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $0.28 |
| Input price ($/1M) | $0.20 |
| Output price ($/1M) | $0.50 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | 41.3% |
| artificial analysis coding index | — |
| artificial analysis intelligence index | 16.50 |
| artificial analysis math index | 41.30 |
| gpqa | 60.6% |
| hle | 5.0% |
| ifbench | 37.7% |
| lcr | 20.0% |
| livecodebench | 40.1% |
| math 500 | — |
| mmlu pro | 73.0% |
| scicode | 32.9% |
| tau banking | — |
| tau2 | 63.7% |
| terminalbench hard | 12.1% |
| terminalbench v2 1 | — |
Source: artificialanalysis.ai/models/grok-4-fast
Benchmark data from Artificial Analysis.