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Grok 4 Fast

by xAI · Released Jan 2024

50.7
avg score
Rank #131
Compare
Better than 52% of all models
Context
N/A
Input $/1M
TBD
Output $/1M
TBD
Type
text
License
Proprietary
Benchmarks
6 tested
Data updated today
About

Tested on 6 benchmarks with 50.4% average. Top scores: Fiction.LiveBench (94.4%), Lech Mazur Writing (81.1%), ARC-AGI (48.5%).

Capabilities
coding
36.4
#124 globally
reasoning
26.9
#114 globally
knowledge
87.8
#3 globally
Benchmark Scores
Compare All
Tested on 6 benchmarks · Ranked across 3 categories
Score Distribution (all 274 models)
0255075100
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WeirdML

Unusual and adversarial machine learning challenges. Tests robustness of reasoning about edge cases in ML systems.

42.9
Cybench

Capture-the-flag cybersecurity challenges. Tests vulnerability analysis, reverse engineering, cryptography, and exploitation skills.

30.0
ARC-AGI

Abstraction and Reasoning Corpus. Tests fluid intelligence through novel visual pattern recognition puzzles. Core measure of general intelligence.

48.5
ARC-AGI-2

ARC-AGI 2, harder sequel to ARC. More complex abstract reasoning patterns that test generalization ability beyond training data.

5.3
Fiction.LiveBench

LiveBench fiction analysis. Tests literary comprehension and creative text understanding.

94.4
Lech Mazur Writing

Writing quality evaluation by Lech Mazur. Tests prose quality, coherence, and stylistic ability.

81.1
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Links
Documentation
Community
BenchGecko API
grok-4-fast
Specifications
  • Typetext
  • ContextN/A
  • ReleasedJan 2024
  • LicenseProprietary
  • Statusbenchmark-only
Available On
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Grok 4 Fast is a proprietary text AI model by xAI, released in January 2024. It has an average benchmark score of 50.7.