xAIGrok Code Fast 1
Best configuration ranks #379 of 610 on the BenchLeader Index at 45.9 ±4.9. Last measured 8 Sept 2026. Released 28 Aug 2025.
- Blended price
- $1.25/M
- $1.00 in · $2.00 out
- Output speed
- –
- First answer
- –
- Context
- 256k
- Overall index46
- Reasoning49
- Coding34
- Agents & tools41
- Knowledge47
- Instruction following44
- Long context52
- Composite47
Benchmark results
One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | default | Source | Trend |
|---|---|---|---|
| GPQA Diamond (AA)not in index | 72.7%#264 | Artificial Analysis | |
| Humanity's Last Exam (AA)not in index | 8.0%#282 | Artificial Analysis | |
| Kagi LLM Benchmark | 52.5%#72 | Kagi LLM Benchmark |
Coding
| Benchmark | default | Source | Trend |
|---|---|---|---|
| WeirdML | 35.1%#123 | WeirdML | |
| LMArena WebDev | 1165#116 | LMArena | |
| LiveCodeBench | 62.0%#101 | Vals AI | |
| IOI | 4.3%#46 | Vals AI |
Agents & tools
| Benchmark | default | Source | Trend |
|---|---|---|---|
| Terminal-Bench | 25.8%#49 | Terminal-Bench | |
| Terminal-Bench Hard | 17.4%#173 | Artificial Analysis | |
| τ²-Bench Telecom (AA)not in index | 75.7%#132 | Artificial Analysis |
Knowledge
| Benchmark | default | Source | Trend |
|---|---|---|---|
| AA-Omniscience | -37.1#243 | Artificial Analysis |
Instruction following
| Benchmark | default | Source | Trend |
|---|---|---|---|
| IFBench | 41.4%#242 | Artificial Analysis |
Long context
| Benchmark | default | Source | Trend |
|---|---|---|---|
| AA-LCR | 53.0%#243 | Artificial Analysis |
Composite
| Benchmark | default | Source | Trend |
|---|---|---|---|
| AA Intelligence Index | 14.1#235 | Artificial Analysis |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.0010 | – | – |
| Summarise a 30-page report | 12,000 / 600 | $0.013 | – | – |
| Code edit | 6,000 / 1,500 | $0.0090 | – | – |
| Agentic coding session | 60,000 / 4,000 | $0.068 | – | – |
| Structured extraction | 2,000 / 200 | $0.0024 | – | – |
See also
Data as of 9 Sept 2026. Compare with another model.