Qwen3.5 Plus vs Devstral 2 (EU)
Devstral 2 (EU) is cheaper on output tokens, while Qwen3.5 Plus offers a larger context window. Choose Qwen3.5 Plus or Devstral 2 (EU) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 Plus | Devstral 2 (EU) |
|---|---|---|
| Provider | Alibaba | Eden AI |
| Input / 1M tokens | $0.40 | $0.44 |
| Output / 1M tokens | $2.40 | $2.20 |
| Context window | 1M | 262K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Feb 2026 | Dec 2025 |
| GPQA Diamond score | 84.8 | — |
| FrontierMath score | 21.0 | — |
| Epoch Capabilities Index score | 146 | — |
FAQ
Is Qwen3.5 Plus or Devstral 2 (EU) cheaper?
Devstral 2 (EU) is cheaper on output tokens ($2.20 vs $2.40 per 1M).
Which has the larger context window, Qwen3.5 Plus or Devstral 2 (EU)?
Qwen3.5 Plus has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.