Model comparison

Claude Sonnet 4 vs Qwen3-30B-A3B

Claude Sonnet 4 is the stronger model overall, scoring 40.6 to 38.5 on the Noometry Index. Qwen3-30B-A3B costs 28× less per token, which makes it the better buy when Claude Sonnet 4's lead doesn't matter for your workload.

Last verified . 29 shared benchmarks.

Claude Sonnet 4 Anthropic

40.6

Rank #139 Confirmed

Qwen3-30B-A3B Alibaba (Qwen)

38.5

Rank #174 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Claude Sonnet 4 scores higher in 6 categories and Qwen3-30B-A3B in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in agentic & tool use, where Claude Sonnet 4 leads 38.3 to 29.5.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 73% for Claude Sonnet 4 and 54.9% for Qwen3-30B-A3B.
  • Qwen3-30B-A3B is cheaper at $0.12 / $0.50 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.
  • Claude Sonnet 4 accepts more context: 200K tokens versus 41K.
  • Qwen3-30B-A3B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 4 and Qwen3-30B-A3B specifications
Claude Sonnet 4Qwen3-30B-A3B
ProviderAnthropicAlibaba (Qwen)
Noometry Index40.638.5
Released2025-05-222025-04-28
WeightsProprietaryOpen
Context window200K41K
Max output64K16K
Input $ / M tokens$3$0.12
Output $ / M tokens$15$0.50
Results tracked5832

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Category by category

Coding Claude Sonnet 4 leads

Claude Sonnet 4: 44.0 (#70), Qwen3-30B-A3B: 37.0 (#188)

Coding benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
SciCode40%33.3%
WeirdML46.1%29.8%
LMArena Coding14141416
SWE-bench Verified (bash only)64.9%—
Aider Polyglot61.3%—
GSO4.9%—
ALE-Bench655.35—

Agentic & Tool Use Claude Sonnet 4 leads

Claude Sonnet 4: 38.3 (#29), Qwen3-30B-A3B: 29.5 (#75)

Agentic & Tool Use benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
Berkeley Function Calling Leaderboard—41.4%
TheAgentCompany33.1%—
Cybench35%—
DeepResearch Bench46.6%—
OSWorld43.9%—
METR Time Horizons62%—

Reasoning Claude Sonnet 4 leads

Claude Sonnet 4: 23.0 (#169), Qwen3-30B-A3B: 21.6 (#193)

Reasoning benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
Kagi LLM Benchmark73%54.9%
CritPt0.3%0.3%
LMArena Hard Prompts13721398
DTBench77.1%69.3%
LMCA29%22.4%
Epoch Capabilities Index141.69139.63
ARC-AGI-25.9%—
SimpleBench45.5%—
ARC-AGI-140%—
Chess Puzzles—8%
EnigmaEval3.1%—
ForecastBench60.2—

Math Claude Sonnet 4 leads

Claude Sonnet 4: 41.5 (#71), Qwen3-30B-A3B: 36.0 (#133)

Math benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
OTIS Mock AIME 2024-202571.1%70.3%
LMArena Math13751394
MathArena Final-Answer Competitions—47.8%
Omni-MATH60.2%—
MATH Level 584.4%—
FrontierMath (Feb 2025 set)4.1%—
FrontierMath Tier 4 (v1)0%—

Knowledge Too close to call

Claude Sonnet 4: 41.6 (#99), Qwen3-30B-A3B: 41.7 (#96)

Knowledge benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
GPQA Diamond79.2%70.1%
Confabulations13.2%12.3%
LMArena Expert13711395
Humanity's Last Exam7.8%—
MMLU-Pro84.3%—
Vectara Hallucination Rate10.3%—
GPQA (HELM)70.6%—

Multimodal Not comparable

Claude Sonnet 4: 25.6 (#116), Qwen3-30B-A3B: —

Multimodal benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
LMArena Vision1191—
GeoBench37%—
VPCT34%—
MindCube44.8%—

Multilingual Qwen3-30B-A3B leads

Claude Sonnet 4: 46.9 (#151), Qwen3-30B-A3B: 49.8 (#126)

Multilingual benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
LMArena Non-English13331372
LMArena Chinese13511434
LMArena French13641419
LMArena German13311379
LMArena Japanese13011338
LMArena Korean12931333
LMArena Russian13551369
LMArena Spanish13561403

Instruction Following Too close to call

Claude Sonnet 4: 71.8 (#141), Qwen3-30B-A3B: 72.2 (#137)

Instruction Following benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
LMArena Instruction Following13751364
IFEval84%—

Long Context Claude Sonnet 4 leads

Claude Sonnet 4: 33.6 (#254), Qwen3-30B-A3B: 31.0 (#278)

Long Context benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
Fiction.LiveBench46.9%40.6%
LMArena Longer Query13981379

Writing & Preference Claude Sonnet 4 leads

Claude Sonnet 4: 57.3 (#127), Qwen3-30B-A3B: 55.9 (#138)

Writing & Preference benchmarks
BenchmarkClaude Sonnet 4Qwen3-30B-A3B
LMArena Text13511384
LMArena Creative Writing13451318
Short-Story Creative Writing81.4%75.3%
LMArena Multi-Turn13761378
EQ-Bench Creative Writing1483—
WildBench83.8%—

Frequently asked questions

Is Claude Sonnet 4 better than Qwen3-30B-A3B?

Claude Sonnet 4 is the stronger model overall, scoring 40.6 to 38.5 on the Noometry Index. Qwen3-30B-A3B costs 28× less per token, which makes it the better buy when Claude Sonnet 4's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 4 or Qwen3-30B-A3B?

Qwen3-30B-A3B is cheaper. It lists at $0.12 per million input tokens and $0.50 per million output tokens; Claude Sonnet 4 lists at $3 and $15.

Is Claude Sonnet 4 or Qwen3-30B-A3B better for coding?

Claude Sonnet 4 scores higher on coding benchmarks: 44.0 versus 37.0 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 4 does, with 200K tokens against 41K.

How many benchmarks do Claude Sonnet 4 and Qwen3-30B-A3B share?

29 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and Qwen3-30B-A3B has 32.

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