x-AI/Grok-Code-Fast 1
Fast Grok model for responsive chat, reasoning, and tool-assisted work
- Strongest at
- Science Better than 1% of the past year's models · one benchmark so far
- Context window
- 256K tokens in · 10K out
Capability profile
Where it lands among 90 models released in the past year. 50 is the average model.
This modelEvery model from the past year
Coding
No results yet
Writing
No results yet
Reading & documents
No results yet
Reasoning
No results yet
Math
No results yet
Science
42Better than 1% · 1 test
Visual reasoning
No results yet
Computer use
No results yet
Where these scores come from
Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow marker rests on a single benchmark.
- Science WeirdML v2
xAI's past year
19 release days in the past year, about one every 19 days. The next is expected around Nov 7, 2026. Forecasts ↗
NovDecJanFebMarAprMayJunJulAugSepOctNov
Specifications
RELEASE DATESep 2, 2025
WEIGHTSClosed weights
CONTEXT WINDOW256K
MAX OUTPUT10K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext
Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.