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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
Modalities
image, text

Capability Radar

32
general
38
coding
39
reasoning
40
scienceest.
39
agents
80
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking278
32.0
AA
General Ranking219
47.0
AA
Math Reasoning248
35.0
AA
Science288
40.0
AA

Benchmark Scores (LLM Stats)

No benchmark data available

AA Evaluation Indices

Math Index
34.3
Intelligence Index
16.9
Mmlu Pro
0.7
Tau2
0.6
Gpqa
0.6
Livecodebench
0.4
Ifbench
0.4
Aime 25
0.3
Scicode
0.3
Lcr
0.2
Terminalbench Hard
0.1
Hle
0.1

LLM Stats Category Scores

No category score data available

Pricing

Input PriceFree
Output PriceFree
Blended Price (3:1)Free

Speed

Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s

Provider Price Ranking

Provider Price Ranking

10 providers

Cheapest: xAIMost Expensive: Azure
ProviderInputOutput
1xAICheapest
$0
$0
2Jiekou.AI
$0.18
$0.45
3Helicone
$0.2
$0.5
4302.AI
$0.2
$0.5
5Abacus
$0.2
$0.5
6Perplexity Agent
$0.2
$0.5
7ZenMux
$0.2
$0.5
8FrogBot
$0.2
$0.5
9Vercel AI Gateway
$0.2
$0.5
10Azure
$0.2
$0.5

Compare pricing across different API providers for this model.

External Sources