Model comparison
Claude Opus 4.5 vs Qwen3 Coder Next
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 34× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)Summary
- They share 1 benchmark with published results for both. Claude Opus 4.5 scores higher in 2 categories and Qwen3 Coder Next in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 4.5 leads 42.6 to 22.4.
- The biggest single-benchmark swing is WeirdML: 63.7% for Claude Opus 4.5 and 34.4% for Qwen3 Coder Next.
- Qwen3 Coder Next is cheaper at $0.12 / $0.80 per million input/output tokens, against $5 / $25 for Claude Opus 4.5.
- Qwen3 Coder Next accepts more context: 262K tokens versus 200K.
- Qwen3 Coder Next has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 4.5 | Qwen3 Coder Next | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 50.5 | 34.3 |
| Released | 2025-11-01 | 2026-02-02 |
| Weights | Proprietary | Open |
| Context window | 200K | 262K |
| Max output | 64K | 66K |
| Input $ / M tokens | $5 | $0.12 |
| Output $ / M tokens | $25 | $0.80 |
| Results tracked | 69 | 3 |
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Category by category
Coding Claude Opus 4.5 leads
Claude Opus 4.5: 54.8 (#27), Qwen3 Coder Next: 36.3 (#210)
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| WeirdML | 63.7% | 34.4% |
| SWE-bench Verified | 76.7% | — |
| SWE-bench Verified (bash only) | 76.8% | — |
| LMArena WebDev | 1494 | — |
| SWE-bench Multilingual | 70.7% | — |
| SciCode | — | 32.3% |
| GSO | 26.5% | — |
| LMArena Coding | 1504 | — |
| ALE-Bench | 1,025 | — |
| AlgoTune | 1.77 | — |
Agentic & Tool Use Not comparable
Claude Opus 4.5: 47.3 (#12), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| 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: 42.6 (#51), Qwen3 Coder Next: 22.4 (#196)
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| ARC-AGI-2 | 37.6% | — |
| SimpleBench | 62% | — |
| Kagi LLM Benchmark | 80.2% | — |
| NYT Connections (extended) | 52.5% | — |
| ARC-AGI-1 | 80% | — |
| CritPt | — | 0% |
| Chess Puzzles | 12% | — |
| EnigmaEval | 11.9% | — |
| EBR-Bench | 14.3% | — |
| LMArena Hard Prompts | 1476 | — |
| Mystery Game Puzzles | 22% | — |
| DTBench | 89.9% | — |
| LMCA | 44.5% | — |
| Epoch Capabilities Index | 150.09 | — |
| ForecastBench | 60.7 | — |
Math Not comparable
Claude Opus 4.5: 38.6 (#132), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| FrontierMath (Tiers 1-3) | 34.4% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 86.1% | — |
| ProofBench | 36% | — |
| LMArena Math | 1463 | — |
| FrontierMath (Feb 2025 set) | 20.7% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Not comparable
Claude Opus 4.5: 56.5 (#44), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| GPQA Diamond | 86% | — |
| Humanity's Last Exam | 25.2% | — |
| SimpleQA Verified | 45.7% | — |
| Vectara Hallucination Rate | 10.9% | — |
| LMArena Expert | 1487 | — |
Multimodal Not comparable
Claude Opus 4.5: 31.4 (#107), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| GeoBench | 75% | — |
| VPCT | 40% | — |
| Furniture Assembly | 28.3% | — |
| LMArena Document | 1462 | — |
Multilingual Not comparable
Claude Opus 4.5: 54.3 (#47), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| LMArena Non-English | 1438 | — |
| LMArena Chinese | 1470 | — |
| LMArena French | 1471 | — |
| LMArena German | 1449 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1424 | — |
| LMArena Russian | 1447 | — |
| LMArena Spanish | 1458 | — |
Instruction Following Not comparable
Claude Opus 4.5: 77.5 (#19), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| LMArena Instruction Following | 1478 | — |
Long Context Not comparable
Claude Opus 4.5: 46.5 (#22), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| CL-bench | 21.1% | — |
| LMArena Longer Query | 1480 | — |
Writing & Preference Not comparable
Claude Opus 4.5: 68.1 (#28), Qwen3 Coder Next: —
| Benchmark | Claude Opus 4.5 | Qwen3 Coder Next |
|---|---|---|
| LMArena Text | 1451 | — |
| LMArena Creative Writing | 1445 | — |
| EQ-Bench Creative Writing | 1687 | — |
| LMArena Multi-Turn | 1466 | — |
Frequently asked questions
Is Claude Opus 4.5 better than Qwen3 Coder Next?
Claude Opus 4.5 is the stronger model overall, scoring 50.5 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 34× less per token, which makes it the better buy when Claude Opus 4.5's lead doesn't matter for your workload.
Which is cheaper, Claude Opus 4.5 or Qwen3 Coder Next?
Qwen3 Coder Next is cheaper. It lists at $0.12 per million input tokens and $0.80 per million output tokens; Claude Opus 4.5 lists at $5 and $25.
Is Claude Opus 4.5 or Qwen3 Coder Next better for coding?
Claude Opus 4.5 scores higher on coding benchmarks: 54.8 versus 36.3 in the Noometry coding category.
Which has the bigger context window?
Qwen3 Coder Next does, with 262K tokens against 200K.
How many benchmarks do Claude Opus 4.5 and Qwen3 Coder Next share?
1 benchmark has published results for both models. Claude Opus 4.5 has 69 scored results on Noometry and Qwen3 Coder Next has 3.