Noometry

Model comparison

Claude Opus 5.5 vs Codellama 70b Instruct

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 33.7 on the Noometry Index.

Last verified . 4 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Codellama 70b Instruct Meta

33.7

Rank #237 Confirmed

Summary

  • They share 4 benchmarks with published results for both. Claude Opus 5.5 scores higher in 5 categories and Codellama 70b Instruct in 0 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 80.2 to 20.1.
  • Codellama 70b Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Codellama 70b Instruct
ProviderAnthropicMeta
Noometry Index68.633.7
Released2026-09-22—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$4—
Output $ / M tokens$20—
Results tracked447

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Codellama 70b Instruct: 37.6 (#193)

BenchmarkClaude Opus 5.5Codellama 70b Instruct
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
BigCodeBench Instruct—40.7%
LMArena Coding1547—
MirrorCode77.4%—
BigCodeBench Complete—49.6%
ALE-Bench2,147—
HumanEval+—65.9%

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Codellama 70b Instruct: —

BenchmarkClaude Opus 5.5Codellama 70b 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 70b Instruct: 20.1 (#242)

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Hard Prompts15351052
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 Not comparable

Claude Opus 5.5: 91.8 (#3), Codellama 70b Instruct: —

BenchmarkClaude Opus 5.5Codellama 70b Instruct
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
LMArena Math1506—
FrontierMath Erdős2.9%—

Knowledge Not comparable

Claude Opus 5.5: 66.4 (#10), Codellama 70b Instruct: —

BenchmarkClaude Opus 5.5Codellama 70b Instruct
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
LMArena Expert1547—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Codellama 70b Instruct: —

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Codellama 70b Instruct: 24.8 (#288)

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Non-English1507992
LMArena Chinese1588—
LMArena French1514—
LMArena Russian1520—
LMArena Spanish1507—

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Codellama 70b Instruct: 51.9 (#293)

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Instruction Following15371024

Long Context Not comparable

Claude Opus 5.5: 47.1 (#19), Codellama 70b Instruct: —

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Longer Query1532—

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Codellama 70b Instruct: 33.4 (#277)

BenchmarkClaude Opus 5.5Codellama 70b Instruct
LMArena Text15151057
LMArena Creative Writing1533—
EQ-Bench Creative Writing2050—
LMArena Multi-Turn1499—

Frequently asked questions

Is Claude Opus 5.5 better than Codellama 70b Instruct?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 33.7 on the Noometry Index.

Is Claude Opus 5.5 or Codellama 70b Instruct better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 37.6 in the Noometry coding category.

How many benchmarks do Claude Opus 5.5 and Codellama 70b Instruct share?

4 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Codellama 70b Instruct has 7.

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