Grok Code Fast 1

xAI

Verified against Artificial Analysis · Jul 13, 2026

Capability

percentile index

Price /M

$0 / $0

in / out

Context

—

Avg score

48.7

10 benchmarks

AA Intelligence

21.6

index

Weights

Closed

Released

Aug 28, 2025

About

Grok Code Fast 1 is a proprietary model in the Grok family from xAI. Benchmarked on 10 evals, averaging 48.7.

Benchmark scores · 10

avg 48.7 — higher is better

MMLU-Proartificial-analysis · 2026-07

79.3

τ²-benchartificial-analysis · 2026-07

75.7

GPQA Diamondartificial-analysis · 2026-07

72.7

LiveCodeBenchartificial-analysis · 2026-07

65.7

AA Long-Context Reasoningartificial-analysis · 2026-07

48.3

AIMEartificial-analysis · 2026-07

43.3

IFBenchartificial-analysis · 2026-07

41.4

SciCodeartificial-analysis · 2026-07

36.2

Terminal-Bench Hardartificial-analysis · 2026-07

17.4

Humanity's Last Examartificial-analysis · 2026-07

7.5

Details

PublisherxAI

FamilyGrok

Parameters—

License—

WeightsClosed

ReleasedAug 28, 2025

History

full ledger →

Capability over time

Append-only ledger — every observed change to this model's numbers.

API providers

Artificial Analysis$0/M