Noometry

Model comparison

Claude Opus 5.5 vs Codellama 34b Instruct

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.8 on the Noometry Index.

Last verified . 10 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Codellama 34b Instruct Meta

30.8

Rank #287 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Claude Opus 5.5 scores higher in 7 categories and Codellama 34b Instruct in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5.5 leads 91.8 to 31.0.
  • Codellama 34b Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Codellama 34b Instruct
ProviderAnthropicMeta
Noometry Index68.630.8
Released2026-09-22—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked4414

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Codellama 34b Instruct: 28.5 (#314)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Coding15471046
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
BigCodeBench Instruct—29%
MirrorCode77.4%—
BigCodeBench Complete—37.1%
ALE-Bench2,147—
HumanEval+—43.9%
MBPP+—56.3%

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Codellama 34b Instruct: —

BenchmarkClaude Opus 5.5Codellama 34b Instruct
APEX-Agents73.5%—
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Codellama 34b Instruct: 19.6 (#255)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Hard Prompts15351032
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), Codellama 34b Instruct: 31.0 (#230)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Math15061056
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), Codellama 34b Instruct: —

BenchmarkClaude Opus 5.5Codellama 34b Instruct
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
LMArena Expert1547—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Codellama 34b Instruct: —

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Codellama 34b Instruct: 25.8 (#284)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Non-English15071011
LMArena Chinese1588976
LMArena French1514—
LMArena Russian1520—
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Codellama 34b Instruct: 52.2 (#291)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Instruction Following15371028

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Codellama 34b Instruct: 30.9 (#284)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Longer Query15321013

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Codellama 34b Instruct: 28.2 (#297)

BenchmarkClaude Opus 5.5Codellama 34b Instruct
LMArena Text15151066
LMArena Creative Writing15331032
LMArena Multi-Turn14991015
EQ-Bench Creative Writing2050—

Frequently asked questions

Is Claude Opus 5.5 better than Codellama 34b Instruct?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.8 on the Noometry Index.

Is Claude Opus 5.5 or Codellama 34b Instruct better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 28.5 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Codellama 34b Instruct share?

10 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Codellama 34b Instruct has 14.

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