Model comparison
Claude Sonnet 4.5 vs Qwen3-Coder 480B-A35B Instruct
Claude Sonnet 4.5 is the stronger model overall, scoring 44.0 to 37.7 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.
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 38.1 to 23.7.
- 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.
- Claude Sonnet 4.5 accepts more context: 1M tokens versus 262K.
- Qwen3-Coder 480B-A35B Instruct has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 44.0 | 37.7 |
| Released | 2025-09-29 | 2025-04 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 64K | 66K |
| Input $ / M tokens | $3 | $1.50 |
| Output $ / M tokens | $15 | $7.50 |
| Results tracked | 73 | 25 |
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Category by category
Coding Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 47.8 (#54), Qwen3-Coder 480B-A35B Instruct: 36.2 (#199)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| SWE-bench Verified (bash only) | 71.4% | 55.4% |
| LMArena WebDev | 1393 | 1275 |
| GSO | 14.7% | 4.9% |
| WeirdML | 47.7% | 41.2% |
| LMArena Coding | 1489 | 1413 |
| ALE-Bench | 796.15 | 461.45 |
| AlgoTune | 1.52 | 1.44 |
| SWE-bench Verified | 71.3% | — |
| SWE-bench Multilingual | 67% | — |
| SciCode | 44.7% | — |
Agentic & Tool Use Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 38.1 (#30), Qwen3-Coder 480B-A35B Instruct: 23.7 (#116)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Terminal-Bench | 46.5% | 27.2% |
| 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 Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 26.9 (#113), Qwen3-Coder 480B-A35B Instruct: 24.7 (#141)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| Kagi LLM Benchmark | 57.9% | 49.5% |
| LMArena Hard Prompts | 1462 | 1372 |
| ARC-AGI-2 | 13.6% | — |
| SimpleBench | 54.3% | — |
| 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-Coder 480B-A35B Instruct leads
Claude Sonnet 4.5: 31.9 (#190), Qwen3-Coder 480B-A35B Instruct: 34.9 (#151)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Math | 1448 | 1364 |
| 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-Coder 480B-A35B Instruct: 36.4 (#159)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Expert | 1483 | 1337 |
| 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-Coder 480B-A35B Instruct: —
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| VPCT | 39.8% | — |
| LMArena Document | 1450 | — |
Multilingual Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 53.6 (#65), Qwen3-Coder 480B-A35B Instruct: 47.8 (#143)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Non-English | 1425 | 1345 |
| LMArena Chinese | 1459 | 1356 |
| LMArena French | 1459 | 1394 |
| LMArena German | 1427 | 1324 |
| LMArena Japanese | 1390 | 1309 |
| LMArena Korean | 1403 | 1307 |
| LMArena Russian | 1436 | 1367 |
| LMArena Spanish | 1457 | 1360 |
Instruction Following Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 75.2 (#74), Qwen3-Coder 480B-A35B Instruct: 71.8 (#142)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Instruction Following | 1459 | 1356 |
| IFEval | 85% | — |
Long Context Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 45.2 (#45), Qwen3-Coder 480B-A35B Instruct: 42.0 (#126)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Longer Query | 1476 | 1379 |
Writing & Preference Claude Sonnet 4.5 leads
Claude Sonnet 4.5: 66.7 (#33), Qwen3-Coder 480B-A35B Instruct: 55.5 (#142)
| Benchmark | Claude Sonnet 4.5 | Qwen3-Coder 480B-A35B Instruct |
|---|---|---|
| LMArena Text | 1439 | 1356 |
| LMArena Creative Writing | 1442 | 1333 |
| LMArena Multi-Turn | 1465 | 1365 |
| EQ-Bench Creative Writing | 1678 | — |
| WildBench | 85.4% | — |
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 44.0 to 37.7 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: 47.8 versus 36.2 in the Noometry coding category.
Which has the bigger context window?
Claude Sonnet 4.5 does, with 1M tokens against 262K.
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.