Model comparison
Claude Sonnet 5 vs Qwen3.6 Max Preview
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 51.1 on the Noometry Index.
Last verified . 26 shared benchmarks.
Alibaba (Qwen)Summary
- They share 26 benchmarks with published results for both. Claude Sonnet 5 scores higher in 6 categories and Qwen3.6 Max Preview in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5 leads 66.1 to 52.2.
- The biggest single-benchmark swing is SimpleQA Verified: 33.7% for Claude Sonnet 5 and 52% for Qwen3.6 Max Preview.
- Qwen3.6 Max Preview is cheaper at $1.30 / $7.80 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
- Claude Sonnet 5 accepts more context: 1M tokens versus 262K.
Side by side
| Claude Sonnet 5 | Qwen3.6 Max Preview | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 54.5 | 51.1 |
| Released | 2026-06-29 | 2026-04-20 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 262K |
| Max output | 128K | 66K |
| Input $ / M tokens | $2 | $1.30 |
| Output $ / M tokens | $10 | $7.80 |
| Results tracked | 51 | 29 |
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Category by category
Coding Claude Sonnet 5 leads
Claude Sonnet 5: 55.5 (#20), Qwen3.6 Max Preview: 48.6 (#50)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena WebDev | 1540 | 1482 |
| LMArena Coding | 1483 | 1472 |
| SWE-bench Verified | — | 76.7% |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| CursorBench | 34.1% | — |
| SciCode | 53.6% | — |
| GSO | 37.3% | — |
| WeirdML | 68.8% | — |
| ALE-Bench | 1,463 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5: 42.7 (#16), Qwen3.6 Max Preview: —
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| Vending-Bench 2 | 6,378 | 4,254 |
| APEX-Agents | 54.5% | — |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 48.2 (#37), Qwen3.6 Max Preview: 40.8 (#47)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| SimpleBench | 60.6% | 63% |
| NYT Connections (extended) | 75.1% | 74.1% |
| Chess Puzzles | 35% | 20% |
| LMArena Hard Prompts | 1461 | 1457 |
| Mystery Game Puzzles | 35% | 19% |
| DTBench | 92.5% | 87.2% |
| LMCA | 50% | 42.5% |
| Epoch Capabilities Index | 156.34 | 149.27 |
| CritPt | 16.9% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| ForecastBench | 61.1 | — |
Math Claude Sonnet 5 leads
Claude Sonnet 5: 66.1 (#21), Qwen3.6 Max Preview: 52.2 (#40)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.7% | 91.1% |
| LMArena Math | 1467 | 1465 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| ProofBench | 77% | — |
| FrontierMath (Feb 2025 set) | — | 23.1% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Qwen3.6 Max Preview leads
Claude Sonnet 5: 55.7 (#42), Qwen3.6 Max Preview: 57.6 (#35)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| GPQA Diamond | 90.5% | 87.4% |
| SimpleQA Verified | 33.7% | 52% |
| LMArena Expert | 1491 | 1476 |
Multimodal Not comparable
Claude Sonnet 5: 42.4 (#26), Qwen3.6 Max Preview: —
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Vision | 1275 | — |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Too close to call
Claude Sonnet 5: 54.0 (#55), Qwen3.6 Max Preview: 54.3 (#46)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Non-English | 1431 | 1436 |
| LMArena Chinese | 1475 | 1487 |
| LMArena French | 1457 | 1449 |
| LMArena Russian | 1452 | 1444 |
| LMArena Spanish | 1436 | 1452 |
| LMArena German | 1448 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1411 | — |
Instruction Following Too close to call
Claude Sonnet 5: 76.6 (#39), Qwen3.6 Max Preview: 75.8 (#51)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Instruction Following | 1453 | 1437 |
Long Context Too close to call
Claude Sonnet 5: 44.8 (#53), Qwen3.6 Max Preview: 44.6 (#59)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Longer Query | 1464 | 1457 |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.4 (#24), Qwen3.6 Max Preview: 64.0 (#58)
| Benchmark | Claude Sonnet 5 | Qwen3.6 Max Preview |
|---|---|---|
| LMArena Text | 1443 | 1447 |
| LMArena Creative Writing | 1416 | 1435 |
| LMArena Multi-Turn | 1454 | 1456 |
| EQ-Bench Creative Writing | 1794 | — |
| EQ-Bench 4 | 1236 | — |
Frequently asked questions
Is Claude Sonnet 5 better than Qwen3.6 Max Preview?
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 51.1 on the Noometry Index.
Which is cheaper, Claude Sonnet 5 or Qwen3.6 Max Preview?
Qwen3.6 Max Preview is cheaper. It lists at $1.30 per million input tokens and $7.80 per million output tokens; Claude Sonnet 5 lists at $2 and $10.
Is Claude Sonnet 5 or Qwen3.6 Max Preview better for coding?
Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 48.6 in the Noometry coding category.
Which has the bigger context window?
Claude Sonnet 5 does, with 1M tokens against 262K.
How many benchmarks do Claude Sonnet 5 and Qwen3.6 Max Preview share?
26 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Qwen3.6 Max Preview has 29.