Noometry

Model comparison

Claude Opus 5.5 vs Qwen3 14B

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 35.5 on the Noometry Index. Qwen3 14B costs 13× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Last verified . 7 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Qwen3 14B Alibaba (Qwen)

35.5

Rank #225 Confirmed

Summary

  • They share 7 benchmarks with published results for both. Claude Opus 5.5 scores higher in 6 categories and Qwen3 14B in 0 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 80.2 to 18.5.
  • The biggest single-benchmark swing is LMCA: 68.2% for Claude Opus 5.5 and 18.2% for Qwen3 14B.
  • Qwen3 14B 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.
  • Qwen3 14B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Qwen3 14B
ProviderAnthropicAlibaba (Qwen)
Noometry Index68.635.5
Released2026-09-222025-04
WeightsProprietaryOpen
Context window1M131K
Max output128K8K
Input $ / M tokens$4$0.35
Output $ / M tokens$20$1.40
Results tracked4412

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Qwen3 14B: 37.3 (#195)

BenchmarkClaude Opus 5.5Qwen3 14B
SciCode66.9%31.6%
FrontierCode54.6%—
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
LMArena Coding1547—
MirrorCode77.4%—
ALE-Bench2,147—

Agentic & Tool Use Claude Opus 5.5 leads

Claude Opus 5.5: 45.3 (#15), Qwen3 14B: 29.6 (#83)

BenchmarkClaude Opus 5.5Qwen3 14B
APEX-Agents73.5%—
Berkeley Function Calling Leaderboard—41%
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Qwen3 14B: 18.5 (#280)

BenchmarkClaude Opus 5.5Qwen3 14B
CritPt31.7%0%
DTBench98.9%64%
LMCA68.2%18.2%
Epoch Capabilities Index167.33138.23
ARC-AGI-293.3%—
Kagi LLM Benchmark—49.1%
NYT Connections (extended)88.5%—
ARC-AGI-198.5%—
Chess Puzzles—4%
EBR-Bench71.4%—
LMArena Hard Prompts1535—
Mystery Game Puzzles71%—

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Qwen3 14B: 38.6 (#133)

BenchmarkClaude Opus 5.5Qwen3 14B
OTIS Mock AIME 2024-2025100%66.4%
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
ProofBench100%—
LMArena Math1506—
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Qwen3 14B: 39.3 (#134)

BenchmarkClaude Opus 5.5Qwen3 14B
GPQA Diamond90.6%63.8%
SimpleQA Verified72.2%—
Vectara Hallucination Rate—5.4%
LMArena Expert1547—

Multimodal Not comparable

Claude Opus 5.5: 57.8 (#1), Qwen3 14B: —

BenchmarkClaude Opus 5.5Qwen3 14B
LMArena Vision1321—
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—

Multilingual Not comparable

Claude Opus 5.5: 59.1 (#2), Qwen3 14B: —

BenchmarkClaude Opus 5.5Qwen3 14B
LMArena Non-English1507—
LMArena Chinese1588—
LMArena French1514—
LMArena Russian1520—
LMArena Spanish1507—

Instruction Following Not comparable

Claude Opus 5.5: 80.0 (#3), Qwen3 14B: —

BenchmarkClaude Opus 5.5Qwen3 14B
LMArena Instruction Following1537—

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Qwen3 14B: 38.1 (#204)

BenchmarkClaude Opus 5.5Qwen3 14B
Fiction.LiveBench—62.5%
LMArena Longer Query1532—

Writing & Preference Not comparable

Claude Opus 5.5: 78.2 (#3), Qwen3 14B: —

BenchmarkClaude Opus 5.5Qwen3 14B
LMArena Text1515—
LMArena Creative Writing1533—
EQ-Bench Creative Writing2050—
LMArena Multi-Turn1499—

Frequently asked questions

Is Claude Opus 5.5 better than Qwen3 14B?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 35.5 on the Noometry Index. Qwen3 14B costs 13× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5.5 or Qwen3 14B?

Qwen3 14B 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 Qwen3 14B better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 37.3 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 Qwen3 14B share?

7 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Qwen3 14B has 12.

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