Qwen3.5 397B-A17B vs Qwen3 235B A22B Thinking 2507
Qwen3 235B A22B Thinking 2507 is cheaper on output tokens, while Qwen3.5 397B-A17B offers a larger context window. Choose Qwen3.5 397B-A17B or Qwen3 235B A22B Thinking 2507 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 397B-A17B | Qwen3 235B A22B Thinking 2507 |
|---|---|---|
| Provider | Alibaba | Qwen |
| Input / 1M tokens | $0.60 | $0.45 |
| Output / 1M tokens | $3.60 | $3.50 |
| Context window | 262K | 128K |
| Parameters | 397B | — |
| Open weights | Yes | — |
| Released | Feb 2026 | — |
| LMArena (Chatbot Arena) Elo score | 1438 | — |
| LMArena WebDev Elo score | 1400 | — |
| LMArena Vision Elo score | 1263 | — |
| GPQA Diamond score | 86.4 | — |
| Epoch Capabilities Index score | 147 | — |
| LiveBench score | — | 52.9 |
FAQ
Is Qwen3.5 397B-A17B or Qwen3 235B A22B Thinking 2507 cheaper?
Qwen3 235B A22B Thinking 2507 is cheaper on output tokens ($3.50 vs $3.60 per 1M).
Which has the larger context window, Qwen3.5 397B-A17B or Qwen3 235B A22B Thinking 2507?
Qwen3.5 397B-A17B has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.