Noometry

Model comparison

Claude Opus 5.5 vs Palm 2

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.0 on the Noometry Index.

Last verified . 10 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Palm 2 Google

30.0

Rank #298 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Claude Opus 5.5 scores higher in 7 categories and Palm 2 in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 80.2 to 19.1.

Side by side

Claude Opus 5.5Palm 2
ProviderAnthropicGoogle
Noometry Index68.630.0
Released2026-09-22—
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4410

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Palm 2: 29.0 (#311)

BenchmarkClaude Opus 5.5Palm 2
LMArena Coding1547994
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Palm 2: —

BenchmarkClaude Opus 5.5Palm 2
APEX-Agents73.5%—
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Palm 2: 19.1 (#271)

BenchmarkClaude Opus 5.5Palm 2
LMArena Hard Prompts15351005
ARC-AGI-293.3%—
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
CritPt31.7%—
EBR-Bench71.4%—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—
Epoch Capabilities Index167.33—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Palm 2: 30.8 (#231)

BenchmarkClaude Opus 5.5Palm 2
LMArena Math15061049
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős2.9%—

Knowledge Not comparable

Claude Opus 5.5: 66.4 (#10), Palm 2: —

BenchmarkClaude Opus 5.5Palm 2
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
LMArena Expert1547—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Palm 2: —

BenchmarkClaude Opus 5.5Palm 2
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Palm 2: 20.9 (#295)

BenchmarkClaude Opus 5.5Palm 2
LMArena Non-English1507916
LMArena Chinese1588887
LMArena French1514—
LMArena Russian1520—
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Palm 2: 51.0 (#296)

BenchmarkClaude Opus 5.5Palm 2
LMArena Instruction Following15371010

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Palm 2: 30.8 (#285)

BenchmarkClaude Opus 5.5Palm 2
LMArena Longer Query15321010

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Palm 2: 25.6 (#304)

BenchmarkClaude Opus 5.5Palm 2
LMArena Text15151027
LMArena Creative Writing1533991
LMArena Multi-Turn1499994
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Palm 2?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.0 on the Noometry Index.

Is Claude Opus 5.5 or Palm 2 better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 29.0 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Palm 2 share?

10 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Palm 2 has 10.

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