o1-previewvsQwen3.5-Plus
o1-preview | Qwen3.5-Plus | |
|---|---|---|
| Specifications | ||
Context window | 128k | 1M |
| Benchmarks | ||
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 73.3% | — |
| Overview | ||
| Company | OpenAI | Qwen |
| Release date | Sep 12 2024 | Feb 16 2026 |
| Access | Proprietary | Proprietary |
Which is better: o1-preview or Qwen3.5-Plus?
o1-preview and Qwen3.5-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 522 days before Qwen3.5-Plus, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (o1-preview) vs 1M (Qwen3.5-Plus).
Direct benchmark comparisons are unavailable — o1-preview and Qwen3.5-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
o1-preview was released by OpenAI on Sep 12 2024.
Qwen3.5-Plus was released by Qwen on Feb 16 2026.
o1-preview has a 128k context window; Qwen3.5-Plus has 1M.
Other comparisons
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