Noometry

Model comparison

Claude Opus 5.5 vs Qwen2.5 14B Instruct

Claude Opus 5.5 has enough public results to be ranked (#3); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Qwen2.5 14B Instruct Alibaba (Qwen)

38.7

Unranked Sparse

Summary

  • The widest gap is in coding, where Claude Opus 5.5 leads 71.9 to 37.7.
  • Qwen2.5 14B Instruct is cheaper at $0.35 / $1.40 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 131K.
  • Qwen2.5 14B Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Qwen2.5 14B Instruct
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.638.7
Released2026-09-222024-09
WeightsProprietaryOpen
Context window1M131K
Max output128K8K
Input $ / M tokens$4$0.35
Output $ / M tokens$20$1.40
Results tracked443

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Qwen2.5 14B Instruct: 37.7 (#191)

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
SciCode66.9%—
BigCodeBench Instruct—39.8%
LMArena Coding1547—
MirrorCode77.4%—
BigCodeBench Complete—52.2%
ALE-Bench2,147—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#15), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
APEX-Agents73.5%—
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Not comparable

Claude Opus 5.5: 80.2 (#3), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
ARC-AGI-293.3%—
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
CritPt31.7%—
EBR-Bench71.4%—
LMArena Hard Prompts1535—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—
Epoch Capabilities Index167.33—

Math Not comparable

Claude Opus 5.5: 91.8 (#3), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B 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), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
GPQA Diamond90.6%—
SimpleQA Verified72.2%—
LMArena Expert1547—
MMLU—79.9%

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Not comparable

Claude Opus 5.5: 59.1 (#2), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
LMArena Non-English1507—
LMArena Chinese1588—
LMArena French1514—
LMArena Russian1520—
LMArena Spanish1507—

Instruction Following Not comparable

Claude Opus 5.5: 80.0 (#3), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
LMArena Instruction Following1537—

Long Context Not comparable

Claude Opus 5.5: 47.1 (#19), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
LMArena Longer Query1532—

Writing & Preference Not comparable

Claude Opus 5.5: 78.2 (#3), Qwen2.5 14B Instruct: —

BenchmarkClaude Opus 5.5Qwen2.5 14B Instruct
LMArena Text1515—
LMArena Creative Writing1533—
EQ-Bench Creative Writing2050—
LMArena Multi-Turn1499—

Frequently asked questions

Is Claude Opus 5.5 better than Qwen2.5 14B Instruct?

Claude Opus 5.5 has enough public results to be ranked (#3); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.

Which is cheaper, Claude Opus 5.5 or Qwen2.5 14B Instruct?

Qwen2.5 14B Instruct is cheaper. It lists at $0.35 per million input tokens and $1.40 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

Is Claude Opus 5.5 or Qwen2.5 14B Instruct better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 37.7 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5.5 does, with 1M tokens against 131K.

How many benchmarks do Claude Opus 5.5 and Qwen2.5 14B Instruct share?

0 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Qwen2.5 14B Instruct has 3.

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