Model comparison

Claude 3 Opus vs Grok 4.7

Grok 4.7 is the stronger model overall, scoring 53.1 to 29.5 on the Noometry Index.

Last verified . 22 shared benchmarks.

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Grok 4.7 xAI

53.1

Rank #37 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Grok 4.7 in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4.7 leads 57.8 to 14.8.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 98.1% for Grok 4.7.

Side by side

Claude 3 Opus and Grok 4.7 specifications
Claude 3 OpusGrok 4.7
ProviderAnthropicxAI
Noometry Index29.553.1
Released2024-02-292026-09-21
WeightsProprietaryProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked4639

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Category by category

Coding Grok 4.7 leads

Claude 3 Opus: 32.9 (#267), Grok 4.7: 58.0 (#18)

Coding benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Coding12641427
FrontierCode—47.6%
CursorBench—46.3%
LMArena WebDev—1639
FrontierSWE—29.5%
SciCode—57.8%
WeirdML19.2%—
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Grok 4.7 leads

Claude 3 Opus: 24.6 (#116), Grok 4.7: 36.7 (#37)

Agentic & Tool Use benchmarks
BenchmarkClaude 3 OpusGrok 4.7
APEX-Agents—54.6%
Cybench10%—
GDP.pdf—22.8%
METR Time Horizons29.5%—
Vending-Bench 2—10,537

Reasoning Grok 4.7 leads

Claude 3 Opus: 14.6 (#324), Grok 4.7: 49.1 (#40)

Reasoning benchmarks
BenchmarkClaude 3 OpusGrok 4.7
Chess Puzzles5%38%
LMArena Hard Prompts12451413
DTBench61.6%96%
LMCA17%49.4%
Epoch Capabilities Index126.91153.53
SimpleBench23.5%—
NYT Connections (extended)—76.8%
CritPt—18%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
Mystery Game Puzzles—29%
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Grok 4.7 leads

Claude 3 Opus: 14.8 (#299), Grok 4.7: 57.8 (#39)

Math benchmarks
BenchmarkClaude 3 OpusGrok 4.7
OTIS Mock AIME 2024-20254.7%98.1%
LMArena Math12731407
FrontierMath (Tiers 1-3)—53%
FrontierMath Tier 4—17.1%
ProofBench—34%
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Grok 4.7 leads

Claude 3 Opus: 24.5 (#267), Grok 4.7: 62.8 (#22)

Knowledge benchmarks
BenchmarkClaude 3 OpusGrok 4.7
GPQA Diamond47.2%92.7%
SimpleQA Verified12.6%56%
LMArena Expert12231422
Confabulations22.7%—
MMLU84.6%—

Multimodal Grok 4.7 leads

Claude 3 Opus: 27.1 (#116), Grok 4.7: 35.5 (#87)

Multimodal benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Vision10231228
Blueprint-Bench 2—32.5%
Furniture Assembly—20.8%

Multilingual Grok 4.7 leads

Claude 3 Opus: 41.4 (#207), Grok 4.7: 50.8 (#116)

Multilingual benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Non-English12581389
LMArena Chinese12481455
LMArena French12751455
LMArena Russian12801397
LMArena Spanish12461400
LMArena German1258—
LMArena Japanese1204—
LMArena Korean1187—

Instruction Following Grok 4.7 leads

Claude 3 Opus: 64.1 (#228), Grok 4.7: 74.1 (#105)

Instruction Following benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Instruction Following12481404
LiveBench Instruction Following63.9%—

Long Context Grok 4.7 leads

Claude 3 Opus: 38.2 (#202), Grok 4.7: 43.1 (#104)

Long Context benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Longer Query12591413

Writing & Preference Grok 4.7 leads

Claude 3 Opus: 47.2 (#213), Grok 4.7: 70.0 (#24)

Writing & Preference benchmarks
BenchmarkClaude 3 OpusGrok 4.7
LMArena Text12621399
LMArena Creative Writing12351391
LMArena Multi-Turn12751393
EQ-Bench Creative Writing—2007
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Grok 4.7?

Grok 4.7 is the stronger model overall, scoring 53.1 to 29.5 on the Noometry Index.

Is Claude 3 Opus or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Grok 4.7 share?

22 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Grok 4.7 has 39.

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