Noometry

Model comparison

Claude Sonnet 4.5 vs Qwen3-Coder 480B-A35B Instruct

Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 38.1 on the Noometry Index. Qwen3-Coder 480B-A35B Instruct costs 2.0× less per token, which makes it the better buy when Claude Sonnet 4.5's lead doesn't matter for your workload.

Last verified . 25 shared benchmarks.

Claude Sonnet 4.5 Anthropic

44.1

Rank #81 Confirmed

Qwen3-Coder 480B-A35B Instruct Alibaba (Qwen)

38.1

Rank #190 Confirmed

Summary

  • They share 25 benchmarks with published results for both. Claude Sonnet 4.5 scores higher in 8 categories and Qwen3-Coder 480B-A35B Instruct in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in agentic & tool use, where Claude Sonnet 4.5 leads 38.3 to 23.9.
  • The biggest single-benchmark swing is Terminal-Bench: 46.5% for Claude Sonnet 4.5 and 27.2% for Qwen3-Coder 480B-A35B Instruct.
  • Qwen3-Coder 480B-A35B Instruct is cheaper at $1.50 / $7.50 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.5.
  • Qwen3-Coder 480B-A35B Instruct accepts more context: 262K tokens versus 200K.
  • Qwen3-Coder 480B-A35B Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
ProviderAnthropicAlibaba (Qwen)
Noometry Index44.138.1
Released2025-09-292025-04
WeightsProprietaryOpen
Context window200K262K
Max output64K66K
Input $ / M tokens$3$1.50
Output $ / M tokens$15$7.50
Results tracked7325

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Category by category

Coding Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 47.3 (#61), Qwen3-Coder 480B-A35B Instruct: 35.5 (#223)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
SWE-bench Verified (bash only)71.4%55.4%
LMArena WebDev13931275
GSO14.7%4.9%
WeirdML47.7%41.2%
LMArena Coding14891412
ALE-Bench796.15461.45
AlgoTune1.521.44
SWE-bench Verified71.3%—
SWE-bench Multilingual67%—
SciCode44.7%—

Agentic & Tool Use Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 38.3 (#32), Qwen3-Coder 480B-A35B Instruct: 23.9 (#123)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
Terminal-Bench46.5%27.2%
Berkeley Function Calling Leaderboard73.2%—
GDPval42.5%—
Remote Labor Index2.1%—
τ²-bench Airline72%—
τ²-bench Banking25.3%—
τ²-bench Retail72.4%—
τ²-bench Telecom84.9%—
Cybench60%—
DeepResearch Bench52.6%—
OSWorld62.9%—
LMArena Search1159—
METR Time Horizons67.4%—
Vending-Bench 23,839—

Reasoning Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 26.9 (#125), Qwen3-Coder 480B-A35B Instruct: 25.5 (#149)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
Kagi LLM Benchmark57.9%49.5%
LMArena Hard Prompts14621372
ARC-AGI-213.6%—
SimpleBench54.3%—
NYT Connections (extended)37.3%—
ARC-AGI-163.7%—
CritPt1.1%—
Chess Puzzles12%—
EnigmaEval6%—
EBR-Bench2.4%—
Mystery Game Puzzles17%—
DTBench83.2%—
LMCA38.8%—
Epoch Capabilities Index146.84—
ForecastBench61.9—

Math Qwen3-Coder 480B-A35B Instruct leads

Claude Sonnet 4.5: 32.3 (#216), Qwen3-Coder 480B-A35B Instruct: 37.6 (#150)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Math14491365
FrontierMath (Tiers 1-3)23.9%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202577.8%—
ProofBench19%—
Omni-MATH55.3%—
MATH Level 597.7%—
FrontierMath (Feb 2025 set)15.2%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 48.4 (#76), Qwen3-Coder 480B-A35B Instruct: 37.0 (#162)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Expert14821338
GPQA Diamond82.3%—
Humanity's Last Exam13.7%—
SimpleQA Verified30.7%—
MMLU-Pro86.9%—
Vectara Hallucination Rate12%—
GPQA (HELM)68.6%—

Multimodal Not comparable

Claude Sonnet 4.5: 34.8 (#89), Qwen3-Coder 480B-A35B Instruct: —

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
VPCT39.8%—
LMArena Document1450—

Multilingual Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 53.4 (#69), Qwen3-Coder 480B-A35B Instruct: 47.7 (#148)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Non-English14251346
LMArena Chinese14591357
LMArena French14581398
LMArena German14271325
LMArena Japanese13901310
LMArena Korean14031305
LMArena Russian14371366
LMArena Spanish14571360

Instruction Following Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 75.0 (#78), Qwen3-Coder 480B-A35B Instruct: 71.6 (#147)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Instruction Following14591355
IFEval85%—

Long Context Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 45.2 (#46), Qwen3-Coder 480B-A35B Instruct: 42.0 (#131)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Longer Query14761378

Writing & Preference Claude Sonnet 4.5 leads

Claude Sonnet 4.5: 66.5 (#34), Qwen3-Coder 480B-A35B Instruct: 55.3 (#147)

BenchmarkClaude Sonnet 4.5Qwen3-Coder 480B-A35B Instruct
LMArena Text14391357
LMArena Creative Writing14421333
LMArena Multi-Turn14651365
EQ-Bench Creative Writing1678—
WildBench85.4%—

Frequently asked questions

Is Claude Sonnet 4.5 better than Qwen3-Coder 480B-A35B Instruct?

Claude Sonnet 4.5 is the stronger model overall, scoring 44.1 to 38.1 on the Noometry Index. Qwen3-Coder 480B-A35B Instruct costs 2.0× less per token, which makes it the better buy when Claude Sonnet 4.5's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 4.5 or Qwen3-Coder 480B-A35B Instruct?

Qwen3-Coder 480B-A35B Instruct is cheaper. It lists at $1.50 per million input tokens and $7.50 per million output tokens; Claude Sonnet 4.5 lists at $3 and $15.

Is Claude Sonnet 4.5 or Qwen3-Coder 480B-A35B Instruct better for coding?

Claude Sonnet 4.5 scores higher on coding benchmarks: 47.3 versus 35.5 in the Noometry coding category.

Which has the bigger context window?

Qwen3-Coder 480B-A35B Instruct does, with 262K tokens against 200K.

How many benchmarks do Claude Sonnet 4.5 and Qwen3-Coder 480B-A35B Instruct share?

25 benchmarks have published results for both models. Claude Sonnet 4.5 has 73 scored results on Noometry and Qwen3-Coder 480B-A35B Instruct has 25.

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