xAI
Grok 4 Fast (Non-reasoning)
Grok 4 Fast (Non-reasoning) is an xAI Grok model profile, part of xAI's assistant and reasoning model family for real-time, coding, and general-purpose AI workflows. The benchmark snapshot highlights how this Grok variant compares with competing frontier and open-weight models on capability, speed, latency, and cost.
xAI model releasesOperational Metrics
Output Speed77.4 tok/s
First Token0.45s
Blended Price$0.275/M
Model Metadata
Queryable facts extracted from the upstream model payload.
ReleaseSep 19, 2025
Context Windown/a
Modalitiesn/a
Strength: TTFT
Rank #31 across 293 models.
0.45s
Strength: Value
Rank #62 across 323 models.
84.0
Strength: Output $
Rank #71 across 325 models.
$0.500/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 23.1 | #211 |
| Artificial Analysis Coding Index | coding | 19.0 | #201 |
| Artificial Analysis Math Index | math | 41.3 | #154 |
| MMLU-Pro | reasoning | 73.0% | #198 |