Claude Opus 4.5 vs Qwen 3.6 Plus
Claude Opus 4.5 · Anthropic, released 2025-11-24
Qwen 3.6 Plus · Alibaba, released 2026-03-31
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-09-09 · Methodology · Data Sources
Qwen 3.6 Plus leads on more of the 8 benchmarks where both are measured — Claude Opus 4.5 on 3, Qwen 3.6 Plus on 5. The remaining 1 of 9 tracked benchmark cannot be compared: 0 have a result for only one of the two models, 1 for neither. Nothing on this page is estimated to fill those in.
Head-to-head
Measured on 8 of 9 tracked benchmarks for both models — Claude Opus 4.5 leads on 3, Qwen 3.6 Plus leads on 5.
| Benchmark | Claude Opus 4.5 | Qwen 3.6 Plus | Leads |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 150.1 | 147.7 | Claude Opus 4.5 |
| SWE-bench Verified | 0.767 | 0.579 | Claude Opus 4.5 |
| GPQA Diamond | 0.860 (32k) | 0.884 | Qwen 3.6 Plus |
| MATH Level 5 | Not measured | Not measured | Not measured on both |
| OTIS Mock AIME 2024-2025 | 0.861 (32k) | 0.933 | Qwen 3.6 Plus |
| FrontierMath | 0.207 | 0.262 | Qwen 3.6 Plus |
| FrontierMath Tier 4 | 0.042 | 0.083 | Qwen 3.6 Plus |
| SimpleQA Verified | 0.457 (32k) | 0.441 | Claude Opus 4.5 |
| Chess Puzzles | 0.120 (32k) | 0.170 | Qwen 3.6 Plus |
What remains uncertain
- 1 tracked benchmark has no published result for either model.
A missing result means Xentir has not found one published by the source it cites, not that the model performs badly. See Data Sources.
Reference price
| Per 1M tokens | Claude Opus 4.5 | Qwen 3.6 Plus |
|---|---|---|
| Output | $25.00 stale | — |
List price as published by the vendor. Xentir does not verify negotiated or enterprise rates, and price is not a measure of capability — see Data Sources.
Full profiles
Claude Opus 4.5 → · Qwen 3.6 Plus → · the full AI Model Rankings table