Noometry

Model comparison

Claude Sonnet 5 vs Grok 4.7

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 53.1 on the Noometry Index.

Last verified . 36 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

Grok 4.7 xAI

53.1

Rank #37 Confirmed

Summary

  • They share 36 benchmarks with published results for both. Claude Sonnet 5 scores higher in 7 categories and Grok 4.7 in 3 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5 leads 66.2 to 57.8.
  • The biggest single-benchmark swing is ProofBench: 77% for Claude Sonnet 5 and 34% for Grok 4.7.
  • Grok 4.7 is cheaper at $2 / $6 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 500K.

Side by side

Claude Sonnet 5Grok 4.7
ProviderAnthropicxAI
Noometry Index54.653.1
Released2026-06-292026-09-21
WeightsProprietaryProprietary
Context window1M500K
Max output128K500K
Input $ / M tokens$2$2
Output $ / M tokens$10$6
Results tracked5139

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Category by category

Coding Grok 4.7 leads

Claude Sonnet 5: 55.5 (#26), Grok 4.7: 58.0 (#18)

BenchmarkClaude Sonnet 5Grok 4.7
FrontierCode42.7%47.6%
CursorBench34.1%46.3%
LMArena WebDev15411639
SciCode54.3%57.8%
LMArena Coding14831427
DeepSWE53.8%—
FrontierSWE—29.5%
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Claude Sonnet 5 leads

Claude Sonnet 5: 42.8 (#18), Grok 4.7: 36.7 (#37)

BenchmarkClaude Sonnet 5Grok 4.7
APEX-Agents54.5%54.6%
Vending-Bench 26,37810,537
GBAEval65.3%—
GDP.pdf—22.8%
LMArena Search1194—

Reasoning Too close to call

Claude Sonnet 5: 49.1 (#39), Grok 4.7: 49.1 (#40)

BenchmarkClaude Sonnet 5Grok 4.7
NYT Connections (extended)75.1%76.8%
CritPt16.9%18%
Chess Puzzles35%38%
LMArena Hard Prompts14611413
Mystery Game Puzzles35%29%
DTBench92.5%96%
LMCA50%49.4%
Epoch Capabilities Index156.21153.53
SimpleBench60.6%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.2 (#27), Grok 4.7: 57.8 (#39)

BenchmarkClaude Sonnet 5Grok 4.7
FrontierMath (Tiers 1-3)65.6%53%
FrontierMath Tier 429.3%17.1%
OTIS Mock AIME 2024-202594.7%98.1%
ProofBench77%34%
LMArena Math14671407

Knowledge Grok 4.7 leads

Claude Sonnet 5: 55.6 (#47), Grok 4.7: 62.8 (#22)

BenchmarkClaude Sonnet 5Grok 4.7
GPQA Diamond90.5%92.7%
SimpleQA Verified33.7%56%
LMArena Expert14901422

Multimodal Claude Sonnet 5 leads

Claude Sonnet 5: 42.4 (#31), Grok 4.7: 35.5 (#87)

BenchmarkClaude Sonnet 5Grok 4.7
LMArena Vision12741228
Blueprint-Bench 224.9%32.5%
Furniture Assembly—20.8%
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), Grok 4.7: 50.8 (#116)

BenchmarkClaude Sonnet 5Grok 4.7
LMArena Non-English14311389
LMArena Chinese14771455
LMArena French14601455
LMArena Russian14511397
LMArena Spanish14371400
LMArena German1440—
LMArena Japanese1422—
LMArena Korean1411—

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), Grok 4.7: 74.1 (#105)

BenchmarkClaude Sonnet 5Grok 4.7
LMArena Instruction Following14521404

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#55), Grok 4.7: 43.1 (#104)

BenchmarkClaude Sonnet 5Grok 4.7
LMArena Longer Query14631413

Writing & Preference Too close to call

Claude Sonnet 5: 69.2 (#25), Grok 4.7: 70.0 (#24)

BenchmarkClaude Sonnet 5Grok 4.7
LMArena Text14421399
LMArena Creative Writing14161391
EQ-Bench Creative Writing17942007
LMArena Multi-Turn14541393
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Grok 4.7?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 53.1 on the Noometry Index.

Which is cheaper, Claude Sonnet 5 or Grok 4.7?

Grok 4.7 is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Is Claude Sonnet 5 or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 55.5 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 500K.

How many benchmarks do Claude Sonnet 5 and Grok 4.7 share?

36 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Grok 4.7 has 39.

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