xAI
availableShows if the model has enough results for an index.Grok 4.1 Fast
Grok 4.1 Fast is a non-reasoning model from xAI. 10 benchmarks count toward its score, in 5 categories.
IndexOverall score. 50 is the middle.34.5 ±8.6
CoverageShare of the index weight with results.65%
SpeedOutput tokens per second.138/s
Input / 1MUS dollars per 1M input tokens.$0.2
Output / 1MUS dollars per 1M output tokens.$0.5
ContextMaximum tokens in one request.1M
EloLMArena rating and rank.N/A
50 is the middle of the board. The range shows the doubt in the index.
CapabilitiesScore per category. 50 is the middle.
50 is the middleResults
10 counted| BenchmarkThe test name. | CategoryThe capability that the test measures. | ResultThe score from the publisher. | IndexThis result on the index scale. | RunThe settings of the run. | DateDate of the result. | Published byThe source of the result. |
|---|---|---|---|---|---|---|
| τ²-Bench Tool-Agent-User Evaluation | Agentic | 63.7% | 44.5 | — | — | Victor Barres et al. |
| Artificial Analysis GPQA Diamond | Knowledge | 63.7% | 33.8 | — | — | Artificial Analysis |
| Artificial Analysis MMMU-Pro | Multimodal | 48.4% | 26.2 | — | — | Artificial Analysis |
| Gert Labs Composite Game Benchmark | Agentic | 47.3% | 54.5 | — | — | Gert Labs |
| Artificial Analysis IFBench | Instruction | 36.5% | 26.2 | — | — | Artificial Analysis |
| Artificial Analysis Long Context Reasoning | Reasoning | 31.3% | 29.9 | — | — | Artificial Analysis |
| Artificial Analysis Omniscience Accuracy | Knowledge | 17.2% | 35.1 | — | — | Artificial Analysis |
| τ²-bench Banking | Agentic | 13.1% | 8.3 | high effort · Sierra | 4 Aug 2026 | Sierra Research |
| Artificial Analysis Intelligence Index | Knowledge | 11.3% | 36.5 | — | — | Artificial Analysis |
| Artificial Analysis Humanity's Last Exam | Knowledge | 5.1% | 30.1 | — | — | Artificial Analysis |
| Critical Physics Tasks | Reasoning | 0.0% | 38.4 | — | — | Artificial Analysis |
10 benchmarks count, from 11 of 11 results. A grey row does not count. Too few models took that benchmark.