Noometry

Model comparison

Claude Sonnet 5 vs QwQ Plus

Claude Sonnet 5 has enough public results to be ranked (#29); QwQ Plus does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

QwQ Plus Alibaba (Qwen)

38.0

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Sonnet 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 Sonnet 5 leads 55.6 to 36.4.
  • The biggest single-benchmark swing is GPQA Diamond: 90.5% for Claude Sonnet 5 and 65.4% for QwQ Plus.
  • QwQ Plus is cheaper at $0.80 / $2.40 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 131K.

Side by side

Claude Sonnet 5QwQ Plus
ProviderAnthropicAlibaba (Qwen)
Noometry Index54.638.0
Released2026-06-292025-03-05
WeightsProprietaryProprietary
Context window1M131K
Max output128K8K
Input $ / M tokens$2$0.80
Output $ / M tokens$10$2.40
Results tracked511

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Category by category

Coding Not comparable

Claude Sonnet 5: 55.5 (#26), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
LMArena Coding1483—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Not comparable

Claude Sonnet 5: 49.1 (#39), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
LMArena Hard Prompts1461—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Not comparable

Claude Sonnet 5: 66.2 (#27), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), QwQ Plus: 36.4

BenchmarkClaude Sonnet 5QwQ Plus
GPQA Diamond90.5%65.4%
SimpleQA Verified33.7%—
LMArena Expert1490—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#31), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
LMArena Vision1274—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Not comparable

Claude Sonnet 5: 53.8 (#55), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
LMArena Non-English1431—
LMArena Chinese1477—
LMArena French1460—
LMArena German1440—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Russian1451—
LMArena Spanish1437—

Instruction Following Not comparable

Claude Sonnet 5: 76.3 (#41), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
LMArena Instruction Following1452—

Long Context Not comparable

Claude Sonnet 5: 44.8 (#55), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
LMArena Longer Query1463—

Writing & Preference Not comparable

Claude Sonnet 5: 69.2 (#25), QwQ Plus: —

BenchmarkClaude Sonnet 5QwQ Plus
LMArena Text1442—
LMArena Creative Writing1416—
EQ-Bench Creative Writing1794—
EQ-Bench 41236—
LMArena Multi-Turn1454—

Frequently asked questions

Is Claude Sonnet 5 better than QwQ Plus?

Claude Sonnet 5 has enough public results to be ranked (#29); QwQ Plus does not yet, so treat this comparison as directional.

Which is cheaper, Claude Sonnet 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 Sonnet 5 lists at $2 and $10.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 131K.

How many benchmarks do Claude Sonnet 5 and QwQ Plus share?

1 benchmark has published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and QwQ Plus has 1.

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