Noometry

Model comparison

Claude Opus 5.5 vs QwQ Plus

Claude Opus 5.5 has enough public results to be ranked (#3); QwQ Plus does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Opus 5.5 Anthropic

68.5

Rank #3 Confirmed

QwQ Plus Alibaba (Qwen)

37.9

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Opus 5.5 scores higher in 1 category and QwQ Plus in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Opus 5.5 leads 66.6 to 36.5.
  • The biggest single-benchmark swing is GPQA Diamond: 90.6% for Claude Opus 5.5 and 65.4% for QwQ Plus.
  • QwQ Plus is cheaper at $0.80 / $2.40 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 131K.

Side by side

Claude Opus 5.5QwQ Plus
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.537.9
Released2026-09-222025-03-05
WeightsProprietaryProprietary
Context window1M131K
Max output128K8K
Input $ / M tokens$4$0.80
Output $ / M tokens$20$2.40
Results tracked351

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Category by category

Coding Not comparable

Claude Opus 5.5: 71.4 (#1), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
FrontierCode54.4%—
CursorBench57.8%—
LMArena WebDev1820—
FrontierSWE62.3%—
SciCode66.9%—
LMArena Coding1545—
MirrorCode77.4%—

Agentic & Tool Use Not comparable

Claude Opus 5.5: 45.3 (#13), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
APEX-Agents73.5%—
GDP.pdf30.6%—

Reasoning Not comparable

Claude Opus 5.5: 79.5 (#2), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
ARC-AGI-292.5%—
NYT Connections (extended)88.5%—
ARC-AGI-197.5%—
CritPt31.7%—
EBR-Bench71.4%—
LMArena Hard Prompts1545—
Mystery Game Puzzles71%—
DTBench98.9%—
LMCA68.2%—

Math Not comparable

Claude Opus 5.5: 92.4 (#2), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.6 (#9), QwQ Plus: 36.5

BenchmarkClaude Opus 5.5QwQ Plus
GPQA Diamond90.6%65.4%
SimpleQA Verified72.2%—
LMArena Expert1564—

Multimodal Not comparable

Claude Opus 5.5: 56.5 (#2), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
Furniture Assembly83.3%—

Multilingual Not comparable

Claude Opus 5.5: 59.8 (#1), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
LMArena Non-English1513—
LMArena Chinese1572—
LMArena Russian1532—

Instruction Following Not comparable

Claude Opus 5.5: 80.1 (#2), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
LMArena Instruction Following1535—

Long Context Not comparable

Claude Opus 5.5: 47.3 (#18), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
LMArena Longer Query1540—

Writing & Preference Not comparable

Claude Opus 5.5: 78.7 (#3), QwQ Plus: —

BenchmarkClaude Opus 5.5QwQ Plus
LMArena Text1518—
LMArena Creative Writing1538—
EQ-Bench Creative Writing2050—
LMArena Multi-Turn1520—

Frequently asked questions

Is Claude Opus 5.5 better than QwQ Plus?

Claude Opus 5.5 has enough public results to be ranked (#3); QwQ Plus does not yet, so treat this comparison as directional.

Which is cheaper, Claude Opus 5.5 or QwQ Plus?

QwQ Plus is cheaper. It lists at $0.80 per million input tokens and $2.40 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

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 QwQ Plus share?

1 benchmark has published results for both models. Claude Opus 5.5 has 35 scored results on Noometry and QwQ Plus has 1.

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