xAI
Grok 4.1 Fast (Reasoning)
Grok 4.1 Fast (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 releasesModel Snapshot
TypeLanguage
ReleaseJul 9, 2025
Context1,000,000
Tagsreasoning, file-input, vision, tool-use
Overall
Rank #85 across 526
38.6
Coding
Rank #124 across 436
30.9
Blended Price
No rank
n/a
Strength Profile
Percentile score by analysis domain.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Max Output1,000,000
Streaming speed is not measured for this model yet.
Pricing
Blended-
Input-
Output-
Catalog$0.200/M in / $0.500/M out
Metadata
Providers
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 38.6 | #85 |
| Artificial Analysis Coding Index | coding | 30.9 | #124 |
| Artificial Analysis Math Index | math | 89.3 | #31 |
| MMLU-Pro | reasoning | 85.4% | #28 |