Grok 4.1 Fast (Non-reasoning)
xAIGrokProprietary
Description
Bringing the next generation of tool-calling agents to the xAI API. Grok-4.1 Fast Non-Reasoning uses no thinking tokens for immediate responses, making it faster while maintaining high quality.
Release Date
2025-11-19
Parameters
—
Context Length
2.0M
Modalities
file, image, text
Capability Radar
36
general
28
coding
39
reasoning
40
scienceest.
0
agents
80
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 250 | 32.0 | AA |
| General Ranking | 199 | 50.0 | AA |
| Math Reasoning | 247 | 35.0 | AA |
| Science | 260 | 41.0 | AA |
Benchmark Scores (LLM Stats)
No benchmark data available
AA Evaluation Indices
Math Index34.3
Intelligence Index23.6
Coding Index19.5
Mmlu Pro0.7
Gpqa0.6
Tau20.6
Livecodebench0.4
Ifbench0.4
Aime 250.3
Scicode0.3
Lcr0.2
Terminalbench Hard0.1
Hle0.1
LLM Stats Category Scores
No category score data available
Pricing
Input Price$0.2 / 1M tokens
Output Price$0.5 / 1M tokens
Blended Price (3:1)$0.275 / 1M tokens
Speed
Tokens/sec91.5 tokens/s
Time to First Token0.47s
Time to Answer0.47s
Available Providers
(LS internal units)| Provider | Input Price | Output Price |
|---|---|---|
| xAI | 200K | 500K |