Model comparison
Claude Opus 4.5 vs Qwen3.5 Max Preview
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 44.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Claude Opus 4.5 scores higher in 7 categories and Qwen3.5 Max Preview in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude Opus 4.5 leads 56.4 to 41.1.
Side by side
| Claude Opus 4.5 | Qwen3.5 Max Preview | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 50.5 | 44.7 |
| Released | 2025-11-01 | — |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $5 | — |
| Output $ / M tokens | $25 | — |
| Results tracked | 69 | 17 |
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Category by category
Coding Claude Opus 4.5 leads
Claude Opus 4.5: 55.4 (#21), Qwen3.5 Max Preview: 43.4 (#79)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Coding | 1504 | 1488 |
| SWE-bench Verified | 76.7% | — |
| SWE-bench Verified (bash only) | 76.8% | — |
| LMArena WebDev | 1493 | — |
| SWE-bench Multilingual | 70.7% | — |
| GSO | 26.5% | — |
| WeirdML | 63.7% | — |
| ALE-Bench | 1,025 | — |
| AlgoTune | 1.77 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.5: 47.2 (#11), Qwen3.5 Max Preview: —
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| Terminal-Bench | 63.1% | — |
| Berkeley Function Calling Leaderboard | 77.5% | — |
| GDPval | 45.5% | — |
| Remote Labor Index | 3.8% | — |
| τ²-bench Airline | 84% | — |
| τ²-bench Banking | 24.7% | — |
| τ²-bench Retail | 79.6% | — |
| τ²-bench Telecom | 92.3% | — |
| Cybench | 82% | — |
| DeepResearch Bench | 54.8% | — |
| OSWorld | 66.3% | — |
| BALROG | 43.5% | — |
| LMArena Search | 1180 | — |
| METR Time Horizons | 75% | — |
| Vending-Bench 2 | 4,967 | — |
Reasoning Claude Opus 4.5 leads
Claude Opus 4.5: 42.5 (#43), Qwen3.5 Max Preview: 29.6 (#81)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Hard Prompts | 1476 | 1483 |
| ARC-AGI-2 | 37.6% | — |
| SimpleBench | 62% | — |
| Kagi LLM Benchmark | 80.2% | — |
| NYT Connections (extended) | 52.5% | — |
| ARC-AGI-1 | 80% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 11.9% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 22% | — |
| DTBench | 89.9% | — |
| LMCA | 44.5% | — |
| Epoch Capabilities Index | 150.1 | — |
| ForecastBench | 60.7 | — |
Math Claude Opus 4.5 leads
Claude Opus 4.5: 38.5 (#85), Qwen3.5 Max Preview: 37.3 (#99)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Math | 1463 | 1473 |
| FrontierMath (Tiers 1-3) | 34.4% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 86.1% | — |
| ProofBench | 36% | — |
| FrontierMath (Feb 2025 set) | 20.7% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Claude Opus 4.5 leads
Claude Opus 4.5: 56.4 (#38), Qwen3.5 Max Preview: 41.1 (#104)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Expert | 1488 | 1489 |
| GPQA Diamond | 86% | — |
| Humanity's Last Exam | 25.2% | — |
| SimpleQA Verified | 45.7% | — |
| Vectara Hallucination Rate | 10.9% | — |
Multimodal Not comparable
Claude Opus 4.5: 31.1 (#99), Qwen3.5 Max Preview: —
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| GeoBench | 75% | — |
| VPCT | 40% | — |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1462 | — |
Multilingual Qwen3.5 Max Preview leads
Claude Opus 4.5: 54.5 (#45), Qwen3.5 Max Preview: 56.4 (#21)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Non-English | 1438 | 1465 |
| LMArena Chinese | 1470 | 1534 |
| LMArena French | 1471 | 1483 |
| LMArena German | 1449 | 1487 |
| LMArena Japanese | 1415 | 1497 |
| LMArena Korean | 1424 | 1438 |
| LMArena Russian | 1448 | 1472 |
| LMArena Spanish | 1455 | 1470 |
Instruction Following Too close to call
Claude Opus 4.5: 77.7 (#20), Qwen3.5 Max Preview: 77.2 (#28)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1478 | 1467 |
Long Context Claude Opus 4.5 leads
Claude Opus 4.5: 46.4 (#21), Qwen3.5 Max Preview: 45.2 (#44)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Longer Query | 1480 | 1477 |
| CL-bench | 21.1% | — |
Writing & Preference Claude Opus 4.5 leads
Claude Opus 4.5: 68.2 (#28), Qwen3.5 Max Preview: 66.1 (#39)
| Benchmark | Claude Opus 4.5 | Qwen3.5 Max Preview |
|---|---|---|
| LMArena Text | 1451 | 1471 |
| LMArena Creative Writing | 1445 | 1464 |
| LMArena Multi-Turn | 1466 | 1478 |
| EQ-Bench Creative Writing | 1687 | — |
Frequently asked questions
Is Claude Opus 4.5 better than Qwen3.5 Max Preview?
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 44.7 on the Noometry Index.
Is Claude Opus 4.5 or Qwen3.5 Max Preview better for coding?
Claude Opus 4.5 scores higher on coding benchmarks: 55.4 versus 43.4 in the Noometry coding category.
How many benchmarks do Claude Opus 4.5 and Qwen3.5 Max Preview share?
17 benchmarks have published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Qwen3.5 Max Preview has 17.