Compare / head-to-head
Claude Opus 4vsQwen3.5 397B-A17B
Qwen3.5 397B-A17B leads 3 of 3 shared benchmarks. Qwen3.5 397B-A17B is 74.8x cheaper per token. Qwen3.5 397B-A17B has the larger context window (262K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 3
Qwen3.5 397B-A17B leads
Cheaper per token
Qwen3.5 397B-A17B
74.8x cheaper, input + output
Larger context
Qwen3.5 397B-A17B
262K tokens
Provider uptime (30d)
100% · —
Anthropic · Qwen
Claude Opus 4
Anthropic · released 2025-05-22
textvision
Qwen3.5 397B-A17B
Qwen · released 2026-02-15
textvision
Quality
Benchmark matrix
3 shared · 3 only Claude Opus 4 · 4 only Qwen3.5 397B-A17B| Benchmark | Claude Opus 4 | Qwen3.5 397B-A17B | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| SWE-bench Verified | 72.5% ↗ | 76.4% ↗ | -3.9 pt | Qwen3.5 397B-A17B |
| GPQA Diamond | 76.3% ↗epoch | 88.4% ↗ | -12.1 pt | Qwen3.5 397B-A17B |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 64.4% ↗epoch | 88.9% ↗epoch | -24.5 pt | Qwen3.5 397B-A17B |
| Only Claude Opus 4 reports · 3 | ||||
| AIME 2024 (no extended thinking) | 33.9% ↗ | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 70.7% ↗epoch | not reported | — | — |
| Terminal-bench | 43.2% ↗ | not reported | — | — |
| Only Qwen3.5 397B-A17B reports · 4 | ||||
| MMLU-Pro | not reported | 87.8% ↗ | — | — |
| AIME 2026 | not reported | 94.2% ↗matharena ⚠ | — | — |
| LMArena Elo | not reported | 1438.3 ↗ | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 29.5% ↗epoch | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Opus 4 minus Qwen3.5 397B-A17B in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Opus 4 | Qwen3.5 397B-A17B | Edge |
|---|---|---|---|
| Context window | 200K tokens | 262K tokens | Qwen3.5 397B-A17B |
| Max output | 32K tokens | — | — |
| Input price / 1M | $15 ↗ | $0.172 ↗ | Qwen3.5 397B-A17B |
| Output price / 1M | $75 ↗ | $1.03 ↗ | Qwen3.5 397B-A17B |
| Cached input / 1M | $1.5 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $90 | $1.2 | Qwen3.5 397B-A17B |
| Modalities | text · vision | text · vision | Tie |
| Released | 2025-05-22 | 2026-02-15 | — |
| Cited benchmark scores | 6 | 8 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Claude Opus 4 vs …
Models sharing the most benchmarksMore matchups
Qwen3.5 397B-A17B vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude Opus 4 and Qwen3.5 397B-A17B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.