Model comparison
Claude Opus 5 vs Qwen3-Next 80B-A3B Instruct
Claude Opus 5 is the stronger model overall, scoring 67.8 to 43.0 on the Noometry Index. Qwen3-Next 80B-A3B Instruct costs 11× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Claude Opus 5 scores higher in 8 categories and Qwen3-Next 80B-A3B Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Opus 5 leads 86.2 to 38.8.
- Qwen3-Next 80B-A3B Instruct is cheaper at $0.50 / $2 per million input/output tokens, against $5 / $25 for Claude Opus 5.
- Claude Opus 5 accepts more context: 1M tokens versus 131K.
- Qwen3-Next 80B-A3B Instruct has downloadable open weights; the other is API-only.
Side by side
| Claude Opus 5 | Qwen3-Next 80B-A3B Instruct | |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 67.8 | 43.0 |
| Released | 2026-07-24 | 2025-09 |
| Weights | Proprietary | Open |
| Context window | 1M | 131K |
| Max output | 128K | 33K |
| Input $ / M tokens | $5 | $0.50 |
| Output $ / M tokens | $25 | $2 |
| Results tracked | 57 | 25 |
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Category by category
Coding Claude Opus 5 leads
Claude Opus 5: 67.5 (#5), Qwen3-Next 80B-A3B Instruct: 42.5 (#98)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Coding | 1534 | 1440 |
| DeepSWE | 73.6% | — |
| FrontierCode | 53.4% | — |
| CursorBench | 46.6% | — |
| LMArena WebDev | 1691 | — |
| FrontierSWE | 52% | — |
| SciCode | 56.4% | — |
| WeirdML | 91.8% | — |
| ALE-Bench | 2,165 | — |
Agentic & Tool Use Not comparable
Claude Opus 5: 55.6 (#1), Qwen3-Next 80B-A3B Instruct: —
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| APEX-Agents | 65.8% | — |
| OSWorld 2.0 | 31.4% | — |
| τ²-bench Banking | 48.7% | — |
| PostTrainBench | 35% | — |
| BALROG | 63.4% | — |
| GBAEval | 79.6% | — |
| GDP.pdf | 24% | — |
| Vending-Bench 2 | 11,182 | — |
Reasoning Claude Opus 5 leads
Claude Opus 5: 77.2 (#4), Qwen3-Next 80B-A3B Instruct: 31.1 (#81)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Hard Prompts | 1526 | 1428 |
| ARC-AGI-2 | 90.4% | — |
| SimpleBench | 80.6% | — |
| Kagi LLM Benchmark | — | 66.7% |
| NYT Connections (extended) | 94.3% | — |
| ARC-AGI-1 | 97.5% | — |
| CritPt | 29.1% | — |
| Chess Puzzles | 42% | — |
| EBR-Bench | 45.7% | — |
| Mystery Game Puzzles | 59% | — |
| DTBench | 97.9% | — |
| LMCA | 64.5% | — |
| Bench to the Future 3 | 0.12 | — |
| Epoch Capabilities Index | 162.78 | — |
Math Claude Opus 5 leads
Claude Opus 5: 86.2 (#8), Qwen3-Next 80B-A3B Instruct: 38.8 (#126)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Math | 1531 | 1440 |
| FrontierMath (Tiers 1-3) | 85.6% | — |
| FrontierMath Tier 4 | 73.2% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | 99% | — |
| Omni-MATH | — | 46.7% |
Knowledge Claude Opus 5 leads
Claude Opus 5: 66.8 (#9), Qwen3-Next 80B-A3B Instruct: 41.8 (#106)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Expert | 1557 | 1417 |
| GPQA Diamond | 93.9% | — |
| SimpleQA Verified | 59.9% | — |
| MMLU-Pro | — | 78.6% |
| Vectara Hallucination Rate | — | 9.3% |
| GPQA (HELM) | — | 63% |
Multimodal Not comparable
Claude Opus 5: 50.8 (#8), Qwen3-Next 80B-A3B Instruct: —
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Vision | 1319 | — |
| Blueprint-Bench 2 | 30.4% | — |
| Furniture Assembly | 60.8% | — |
| LMArena Document | 1516 | — |
Multilingual Claude Opus 5 leads
Claude Opus 5: 58.8 (#4), Qwen3-Next 80B-A3B Instruct: 52.1 (#93)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Non-English | 1501 | 1407 |
| LMArena Chinese | 1574 | 1460 |
| LMArena French | 1519 | 1413 |
| LMArena German | 1524 | 1417 |
| LMArena Japanese | 1516 | 1395 |
| LMArena Korean | 1521 | 1364 |
| LMArena Russian | 1507 | 1404 |
| LMArena Spanish | 1519 | 1435 |
Instruction Following Claude Opus 5 leads
Claude Opus 5: 79.2 (#7), Qwen3-Next 80B-A3B Instruct: 70.8 (#159)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Instruction Following | 1517 | 1389 |
| IFEval | — | 81% |
Long Context Claude Opus 5 leads
Claude Opus 5: 46.5 (#21), Qwen3-Next 80B-A3B Instruct: 37.0 (#223)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Longer Query | 1515 | 1403 |
| Fiction.LiveBench | — | 55.6% |
Writing & Preference Claude Opus 5 leads
Claude Opus 5: 79.2 (#1), Qwen3-Next 80B-A3B Instruct: 58.0 (#121)
| Benchmark | Claude Opus 5 | Qwen3-Next 80B-A3B Instruct |
|---|---|---|
| LMArena Text | 1507 | 1417 |
| LMArena Creative Writing | 1491 | 1334 |
| LMArena Multi-Turn | 1499 | 1416 |
| EQ-Bench Creative Writing | 2133 | — |
| WildBench | — | 80.7% |
| EQ-Bench 4 | 1385 | — |
Frequently asked questions
Is Claude Opus 5 better than Qwen3-Next 80B-A3B Instruct?
Claude Opus 5 is the stronger model overall, scoring 67.8 to 43.0 on the Noometry Index. Qwen3-Next 80B-A3B Instruct costs 11× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.
Which is cheaper, Claude Opus 5 or Qwen3-Next 80B-A3B Instruct?
Qwen3-Next 80B-A3B Instruct is cheaper. It lists at $0.50 per million input tokens and $2 per million output tokens; Claude Opus 5 lists at $5 and $25.
Is Claude Opus 5 or Qwen3-Next 80B-A3B Instruct better for coding?
Claude Opus 5 scores higher on coding benchmarks: 67.5 versus 42.5 in the Noometry coding category.
Which has the bigger context window?
Claude Opus 5 does, with 1M tokens against 131K.
How many benchmarks do Claude Opus 5 and Qwen3-Next 80B-A3B Instruct share?
17 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and Qwen3-Next 80B-A3B Instruct has 25.