xAI Proprietary Released Nov 17, 2025 Updated
Grok-4.1 Fast Reasoning
ToolsGuide Scores, rankings, test results and price.
Model summary
Summary
Grok-4.1 Fast Reasoning is xAI's model, released Nov 17, 2025. It's ranked in 3 categories and does best at text: #108 of 416, with a ToolsGuide Score of 361 against a median of 235.
It also ranks #93 of 167 for vision (320), #135 of 147 for coding (187).
Its text and vision and coding score uses votes only, because it has published fewer than two of the tests used for those categories.
It costs $0.20 per million input tokens and $0.50 per million output tokens, below the median text model ($0.43).
Specifications
- Creator
- xAI
- Licence
- Proprietary
- Released
- Nov 17, 2025
- Context window
- 2M tokens
- Input price
- $0.20 / 1M
- Output price
- $0.50 / 1M
- Tests reported
- 0
- Settings ranked
- grok-4-1-fast-reasoning, Grok 4.1 Fast (Reasoning)
Model comparison
Against the ten best text models.
Text score
ToolsGuide Score out of 1,000 · Higher is better
Vision score
ToolsGuide Score out of 1,000 · Higher is better
Input price
USD per 1M input tokens · Lower is better
Leaderboards
Where Grok-4.1 Fast Reasoning sits among the top 20 in each category.
Text
#108 of 416 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
Vision
#93 of 167 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
Coding
#135 of 147 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model
By task
Scored from votes on each kind of prompt alone, on the same 1,000-point scale.
Score against price
Text · the 10 priced models ranked closest · up and to the left is better value
Against its nearest rivals
Text prompts by kind · ToolsGuide Score from votes · hover for values
- Grok-4.1 Fast Reasoning
-
mimo-v2-omni -
gemma-4-26b-a4b
Text
grok-4-1-fast-reasoning · hover a bar for its rank
Vision
Grok 4.1 Fast (Reasoning) · hover a bar for its rank
Coding
Grok 4.1 Fast (Reasoning) · hover a bar for its rank
Test results
Grok-4.1 Fast Reasoning has no published test results yet, so its scores come from votes alone.