Model comparison

Claude 2.1 vs Grok-3 mini

Grok-3 mini is the stronger model overall, scoring 41.2 to 25.2 on the Noometry Index.

Last verified . 4 shared benchmarks.

Claude 2.1 Anthropic

25.2

Rank #345 Reported

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Summary

  • They share 4 benchmarks with published results for both. Claude 2.1 scores higher in 1 category and Grok-3 mini in 3 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok-3 mini leads 42.1 to 10.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 77.8% for Grok-3 mini.

Side by side

Claude 2.1 and Grok-3 mini specifications
Claude 2.1Grok-3 mini
ProviderAnthropicxAI
Noometry Index25.241.2
Released2023-11-212025-04-09
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked735

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Category by category

Coding Grok-3 mini leads

Claude 2.1: 26.2 (#327), Grok-3 mini: 40.8 (#131)

Coding benchmarks
BenchmarkClaude 2.1Grok-3 mini
WeirdML7.1%42.6%
Aider Polyglot—49.3%
LMArena Coding—1379

Reasoning Claude 2.1 leads

Claude 2.1: 21.4 (#221), Grok-3 mini: 13.6 (#334)

Reasoning benchmarks
BenchmarkClaude 2.1Grok-3 mini
Epoch Capabilities Index119.27140.35
ARC-AGI-2—0.4%
Kagi LLM Benchmark—61.3%
ARC-AGI-1—16.5%
LMArena Hard Prompts—1375
DTBench51%—
ForecastBench54.2—

Math Grok-3 mini leads

Claude 2.1: 10.2 (#315), Grok-3 mini: 42.1 (#85)

Math benchmarks
BenchmarkClaude 2.1Grok-3 mini
OTIS Mock AIME 2024-20251.9%77.8%
Omni-MATH—31.8%
LMArena Math—1386
MATH Level 5—90.9%
FrontierMath (Feb 2025 set)—5.9%

Knowledge Grok-3 mini leads

Claude 2.1: 15.4 (#292), Grok-3 mini: 46.4 (#81)

Knowledge benchmarks
BenchmarkClaude 2.1Grok-3 mini
GPQA Diamond33%76.3%
MMLU-Pro—79.9%
Confabulations—10.8%
GPQA (HELM)—67.5%
LMArena Expert—1395
MMLU73.5%—

Multilingual Not comparable

Claude 2.1: —, Grok-3 mini: 48.1 (#145)

Multilingual benchmarks
BenchmarkClaude 2.1Grok-3 mini
LMArena Non-English—1352
LMArena Chinese—1387
LMArena French—1357
LMArena German—1349
LMArena Japanese—1342
LMArena Korean—1335
LMArena Russian—1353
LMArena Spanish—1381

Instruction Following Not comparable

Claude 2.1: —, Grok-3 mini: 78.5 (#9)

Instruction Following benchmarks
BenchmarkClaude 2.1Grok-3 mini
IFEval—95.1%
LMArena Instruction Following—1357

Long Context Not comparable

Claude 2.1: —, Grok-3 mini: 41.0 (#147)

Long Context benchmarks
BenchmarkClaude 2.1Grok-3 mini
Fiction.LiveBench—66.7%
LMArena Longer Query—1372

Writing & Preference Not comparable

Claude 2.1: —, Grok-3 mini: 52.5 (#169)

Writing & Preference benchmarks
BenchmarkClaude 2.1Grok-3 mini
LMArena Text—1370
LMArena Creative Writing—1342
Short-Story Creative Writing—73.5%
WildBench—65.1%
LMArena Multi-Turn—1355

Frequently asked questions

Is Claude 2.1 better than Grok-3 mini?

Grok-3 mini is the stronger model overall, scoring 41.2 to 25.2 on the Noometry Index.

Is Claude 2.1 or Grok-3 mini better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 26.2 in the Noometry coding category.

How many benchmarks do Claude 2.1 and Grok-3 mini share?

4 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Grok-3 mini has 35.

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