Noometry

Model comparison

Claude Opus 4.7 vs Grok 4.6

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 56.9 on the Noometry Index. Grok 4.6 costs 3.3× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Last verified . 46 shared benchmarks.

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Summary

  • They share 46 benchmarks with published results for both. Claude Opus 4.7 scores higher in 6 categories and Grok 4.6 in 4 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude Opus 4.7 leads 75.1 to 62.3.
  • The biggest single-benchmark swing is NYT Connections (extended): 39% for Claude Opus 4.7 and 80% for Grok 4.6.
  • Grok 4.6 is cheaper at $2 / $6 per million input/output tokens, against $5 / $25 for Claude Opus 4.7.
  • Claude Opus 4.7 accepts more context: 1M tokens versus 500K.

Side by side

Claude Opus 4.7Grok 4.6
ProviderAnthropicxAI
Noometry Index58.356.9
Released2026-04-142026-08-12
WeightsProprietaryProprietary
Context window1M500K
Max output128K500K
Input $ / M tokens$5$2
Output $ / M tokens$25$6
Results tracked6649

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Category by category

Coding Claude Opus 4.7 leads

Claude Opus 4.7: 59.6 (#13), Grok 4.6: 58.5 (#16)

BenchmarkClaude Opus 4.7Grok 4.6
FrontierCode38.5%48%
LMArena WebDev15581617
SciCode54.5%56.5%
WeirdML76.4%67.3%
LMArena Coding15181465
ALE-Bench1,3231,508
SWE-bench Verified83.5%—
DeepSWE—67.5%
CursorBench—41.4%
FrontierSWE—25.3%
GSO44.1%—
MirrorCode31.1%—

Agentic & Tool Use Claude Opus 4.7 leads

Claude Opus 4.7: 47.9 (#10), Grok 4.6: 39.4 (#27)

BenchmarkClaude Opus 4.7Grok 4.6
APEX-Agents49.2%65.3%
GDP.pdf21%17.2%
Vending-Bench 210,9379,047
Terminal-Bench80.2%—
OSWorld 2.018.2%—
τ²-bench Banking40.2%—
PostTrainBench28.6%—
ExploitBench26.5%—
GBAEval43.8%—
LMArena Search1233—

Reasoning Grok 4.6 leads

Claude Opus 4.7: 53.8 (#29), Grok 4.6: 61.4 (#20)

BenchmarkClaude Opus 4.7Grok 4.6
ARC-AGI-275.8%67.1%
SimpleBench61.7%75.9%
NYT Connections (extended)39%80%
ARC-AGI-193.5%87.5%
CritPt12%19.7%
Chess Puzzles30%40%
EBR-Bench19%30.5%
LMArena Hard Prompts15061447
Mystery Game Puzzles28%34%
DTBench94.7%97.3%
LMCA52.2%48.5%
Epoch Capabilities Index156.25156.44
Kagi LLM Benchmark80.7%—
Thematic Generalization72.8%—
ForecastBench60.3—

Math Too close to call

Claude Opus 4.7: 66.7 (#26), Grok 4.6: 67.0 (#24)

BenchmarkClaude Opus 4.7Grok 4.6
FrontierMath (Tiers 1-3)70.2%66%
FrontierMath Tier 431.7%31.7%
OTIS Mock AIME 2024-202597.8%99.2%
ProofBench54%51%
LMArena Math14991423
MathArena Final-Answer Competitions73.6%—
FrontierMath (Feb 2025 set)43.8%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Too close to call

Claude Opus 4.7: 62.6 (#23), Grok 4.6: 63.3 (#20)

BenchmarkClaude Opus 4.7Grok 4.6
GPQA Diamond90.2%94%
SimpleQA Verified51.7%49.3%
LMArena Expert15211467
Humanity's Last Exam36.2%—
Vectara Hallucination Rate12%—

Multimodal Grok 4.6 leads

Claude Opus 4.7: 41.2 (#38), Grok 4.6: 43.6 (#23)

BenchmarkClaude Opus 4.7Grok 4.6
LMArena Vision13161263
Blueprint-Bench 224.5%33.2%
Furniture Assembly33.3%40%
LMArena Document14951452

Multilingual Claude Opus 4.7 leads

Claude Opus 4.7: 57.3 (#10), Grok 4.6: 53.0 (#74)

BenchmarkClaude Opus 4.7Grok 4.6
LMArena Non-English14801420
LMArena Chinese15311480
LMArena French15031461
LMArena German14951431
LMArena Japanese14721376
LMArena Korean14641397
LMArena Russian14941422
LMArena Spanish14951404

Instruction Following Claude Opus 4.7 leads

Claude Opus 4.7: 78.4 (#10), Grok 4.6: 75.4 (#63)

BenchmarkClaude Opus 4.7Grok 4.6
LMArena Instruction Following14981431

Long Context Claude Opus 4.7 leads

Claude Opus 4.7: 46.2 (#25), Grok 4.6: 44.5 (#66)

BenchmarkClaude Opus 4.7Grok 4.6
LMArena Longer Query15051454

Writing & Preference Claude Opus 4.7 leads

Claude Opus 4.7: 75.1 (#8), Grok 4.6: 62.3 (#80)

BenchmarkClaude Opus 4.7Grok 4.6
LMArena Text14901428
LMArena Creative Writing14861428
LMArena Multi-Turn15051425
EQ-Bench Creative Writing1914—
EQ-Bench 41311—

Frequently asked questions

Is Claude Opus 4.7 better than Grok 4.6?

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 56.9 on the Noometry Index. Grok 4.6 costs 3.3× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.7 or Grok 4.6?

Grok 4.6 is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Opus 4.7 lists at $5 and $25.

Is Claude Opus 4.7 or Grok 4.6 better for coding?

Claude Opus 4.7 scores higher on coding benchmarks: 59.6 versus 58.5 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.7 does, with 1M tokens against 500K.

How many benchmarks do Claude Opus 4.7 and Grok 4.6 share?

46 benchmarks have published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and Grok 4.6 has 49.

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