Model comparison

Claude 3 Sonnet vs Grok-2 (Dec 2024)

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.4 to 28.8 on the Noometry Index.

Last verified . 23 shared benchmarks.

Claude 3 Sonnet Anthropic

28.8

Rank #311 Confirmed

Grok-2 (Dec 2024) xAI

33.4

Rank #233 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and Grok-2 (Dec 2024) in 7 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok-2 (Dec 2024) leads 19.6 to 10.0.
  • The biggest single-benchmark swing is MATH Level 5: 18.2% for Claude 3 Sonnet and 63.5% for Grok-2 (Dec 2024).

Side by side

Claude 3 Sonnet and Grok-2 (Dec 2024) specifications
Claude 3 SonnetGrok-2 (Dec 2024)
ProviderAnthropicxAI
Noometry Index28.833.4
Released2024-02-292024-08-13
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3034

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Category by category

Coding Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 29.2 (#296), Grok-2 (Dec 2024): 32.9 (#254)

Coding benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
WeirdML10.2%22.2%
LMArena Coding12231288
BigCodeBench Instruct42.7%—
LiveBench Coding—46.4%
BigCodeBench Complete53.8%—
HumanEval+64%—
MBPP+69.3%—

Reasoning Claude 3 Sonnet leads

Claude 3 Sonnet: 19.7 (#232), Grok-2 (Dec 2024): 16.4 (#294)

Reasoning benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Hard Prompts11971272
DTBench53.6%65.2%
Epoch Capabilities Index120.69130.48
SimpleBench—22.7%
LiveBench Reasoning—54.8%
LiveBench Data Analysis—54.5%
LiveBench—54.3%
WinoGrande75.1%—

Math Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 10.0 (#305), Grok-2 (Dec 2024): 19.6 (#278)

Math benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
OTIS Mock AIME 2024-20252.5%11.5%
LMArena Math12131283
MATH Level 518.2%63.5%
LiveBench Math—54.9%
FrontierMath (Feb 2025 set)—0.7%

Knowledge Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 21.1 (#271), Grok-2 (Dec 2024): 29.8 (#225)

Knowledge benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
GPQA Diamond40.6%53.8%
LMArena Expert11731254
Confabulations—20.1%
MMLU75.9%—

Multimodal Not comparable

Claude 3 Sonnet: 24.7 (#120), Grok-2 (Dec 2024): —

Multimodal benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Vision984—

Multilingual Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 38.0 (#229), Grok-2 (Dec 2024): 43.3 (#183)

Multilingual benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Non-English12051282
LMArena Chinese11881289
LMArena French12281317
LMArena German12041287
LMArena Japanese11311244
LMArena Korean11281237
LMArena Russian12271286
LMArena Spanish12041281

Instruction Following Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 63.1 (#230), Grok-2 (Dec 2024): 67.1 (#197)

Instruction Following benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Instruction Following12001270
LiveBench Instruction Following—69.6%

Long Context Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 36.7 (#223), Grok-2 (Dec 2024): 38.7 (#186)

Long Context benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Longer Query12111276

Writing & Preference Grok-2 (Dec 2024) leads

Claude 3 Sonnet: 42.3 (#233), Grok-2 (Dec 2024): 48.8 (#192)

Writing & Preference benchmarks
BenchmarkClaude 3 SonnetGrok-2 (Dec 2024)
LMArena Text12181305
LMArena Creative Writing11861284
LMArena Multi-Turn12271290
Short-Story Creative Writing—63.6%
LiveBench Language—45.6%

Frequently asked questions

Is Claude 3 Sonnet better than Grok-2 (Dec 2024)?

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.4 to 28.8 on the Noometry Index.

Is Claude 3 Sonnet or Grok-2 (Dec 2024) better for coding?

Grok-2 (Dec 2024) scores higher on coding benchmarks: 32.9 versus 29.2 in the Noometry coding category.

How many benchmarks do Claude 3 Sonnet and Grok-2 (Dec 2024) share?

23 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Grok-2 (Dec 2024) has 34.

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