Qwen3vsQwen3.5-Plus
Qwen3 | Qwen3.5-Plus | |
|---|---|---|
| Specifications | ||
Parameters | 235B | — |
Context window | 128k | 1M |
| Overview | ||
| Company | Qwen | Qwen |
| Release date | Apr 29 2025 | Feb 16 2026 |
| Access | Open Weight | Proprietary |
Which is better: Qwen3 or Qwen3.5-Plus?
Qwen3 and Qwen3.5-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen3 shipped 293 days before Qwen3.5-Plus, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (Qwen3) vs 1M (Qwen3.5-Plus). Qwen3 is open weight, while Qwen3.5-Plus is proprietary.
Direct benchmark comparisons are unavailable — Qwen3 and Qwen3.5-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
Qwen3 was released by Qwen on Apr 29 2025.
Qwen3.5-Plus was released by Qwen on Feb 16 2026.
Qwen3 has a 128k context window; Qwen3.5-Plus has 1M.
Qwen3 is an open weight model released by Qwen. Qwen3.5-Plus is a proprietary model released by Qwen.