Model comparison
Claude Sonnet 4.5 vs Qwen3.5 Max Preview
Claude Sonnet 4.5 and Qwen3.5 Max Preview score almost the same on the Noometry Index (44.0 vs 44.7), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Claude Sonnet 4.5 scores higher in 3 categories and Qwen3.5 Max Preview in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude Sonnet 4.5 leads 48.4 to 41.1.
Side by side
| Claude Sonnet 4.5 | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 44.0 | 44.7 |
| Released | 2025-09-29 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 64K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 73 | 17 |
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Category by category
Coding Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 47.8 (#54), Qwen3.5 Max Preview: 43.4 (#79)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1489 | 1488 |
| SWE-bench Verified | 71.3% | — |
| SWE-bench Verified (bash only) | 71.4% | — |
| LMArena WebDev | 1393 | — |
| SWE-bench Multilingual | 67% | — |
| SciCode | 44.7% | — |
| GSO | 14.7% | — |
| WeirdML | 47.7% | — |
| ALE-Bench | 796.15 | — |
| AlgoTune | 1.52 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4.5: 38.1 (#30), Qwen3.5 Max Preview: —
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| Terminal-Bench | 46.5% | — |
| Berkeley Function Calling Leaderboard | 73.2% | — |
| GDPval | 42.5% | — |
| Remote Labor Index | 2.1% | — |
| τ²-bench Airline | 72% | — |
| τ²-bench Banking | 25.3% | — |
| τ²-bench Retail | 72.4% | — |
| τ²-bench Telecom | 84.9% | — |
| Cybench | 60% | — |
| DeepResearch Bench | 52.6% | — |
| OSWorld | 62.9% | — |
| LMArena Search | 1159 | — |
| METR Time Horizons | 67.4% | — |
| Vending-Bench 2 | 3,839 | — |
Reasoning Qwen3.5 Max Preview leads
Claude Sonnet 4.5: 26.9 (#113), Qwen3.5 Max Preview: 29.6 (#81)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1462 | 1483 |
| ARC-AGI-2 | 13.6% | — |
| SimpleBench | 54.3% | — |
| Kagi LLM Benchmark | 57.9% | — |
| NYT Connections (extended) | 37.3% | — |
| ARC-AGI-1 | 63.7% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 6% | — |
| EBR-Bench | 2.4% | — |
| Mystery Game Puzzles | 17% | — |
| DTBench | 83.2% | — |
| LMCA | 38.8% | — |
| Epoch Capabilities Index | 146.84 | — |
| ForecastBench | 61.9 | — |
Math Qwen3.5 Max Preview leads
Claude Sonnet 4.5: 31.9 (#190), Qwen3.5 Max Preview: 37.3 (#99)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | 1448 | 1473 |
| FrontierMath (Tiers 1-3) | 23.9% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| ProofBench | 19% | — |
| Omni-MATH | 55.3% | — |
| MATH Level 5 | 97.7% | — |
| FrontierMath (Feb 2025 set) | 15.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 48.4 (#70), Qwen3.5 Max Preview: 41.1 (#104)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1483 | 1489 |
| GPQA Diamond | 82.3% | — |
| Humanity's Last Exam | 13.7% | — |
| SimpleQA Verified | 30.7% | — |
| MMLU-Pro | 86.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 68.6% | — |
Multimodal Not comparable
Claude Sonnet 4.5: 34.1 (#84), Qwen3.5 Max Preview: —
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| VPCT | 39.8% | — |
| LMArena Document | 1450 | — |
Multilingual Qwen3.5 Max Preview leads
Claude Sonnet 4.5: 53.6 (#65), Qwen3.5 Max Preview: 56.4 (#21)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1425 | 1465 |
| LMArena Chinese | 1459 | 1534 |
| LMArena French | 1459 | 1483 |
| LMArena German | 1427 | 1487 |
| LMArena Japanese | 1390 | 1497 |
| LMArena Korean | 1403 | 1438 |
| LMArena Russian | 1436 | 1472 |
| LMArena Spanish | 1457 | 1470 |
Instruction Following Qwen3.5 Max Preview leads
Claude Sonnet 4.5: 75.2 (#74), Qwen3.5 Max Preview: 77.2 (#28)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1459 | 1467 |
| IFEval | 85% | — |
Long Context Too close to call
Claude Sonnet 4.5: 45.2 (#45), Qwen3.5 Max Preview: 45.2 (#44)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1476 | 1477 |
Writing & Preference Too close to call
Claude Sonnet 4.5: 66.7 (#33), Qwen3.5 Max Preview: 66.1 (#39)
| Benchmark | Claude Sonnet 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1439 | 1471 |
| LMArena Creative Writing | 1442 | 1464 |
| LMArena Multi-Turn | 1465 | 1478 |
| EQ-Bench Creative Writing | 1678 | — |
| WildBench | 85.4% | — |
Frequently asked questions
Is Claude Sonnet 4.5 better than Qwen3.5 Max Preview?
Claude Sonnet 4.5 and Qwen3.5 Max Preview score almost the same on the Noometry Index (44.0 vs 44.7), so choose on price, context window or the category you care about most.
Is Claude Sonnet 4.5 or Qwen3.5 Max Preview better for coding?
Claude Sonnet 4.5 scores higher on coding benchmarks: 47.8 versus 43.4 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4.5 and Qwen3.5 Max Preview share?
17 benchmarks have published results for both models. Claude Sonnet 4.5 has 73 scored results on Noometry and Qwen3.5 Max Preview has 17.