Qwen3.5-Plus vs Gemini 3.1 Pro Preview
Side-by-side specs, pricing and capabilities. Both models run on Clade under one subscription, so you can switch between them in the same conversation.
Qwen3.5-Plus comes from Alibaba and Gemini 3.1 Pro Preview from Google. The practical difference for most people is context, price, and which input types each one accepts.
Gemini 3.1 Pro Preview holds more in a single conversation — 1.0M tokens against 1M — which matters for long documents and large codebases.
Qwen3.5-Plus is the cheaper of the two on input tokens at $0.40 / 1M tokens.
| Specification | Qwen3.5-Plus | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | Alibaba | |
| Model ID | qwen3.5-plus | gemini-3.1-pro-preview |
| Context window | 1M | 1.0M |
| Max output | 64K | 66K |
| Input price | $0.40 / 1M tokens | $2.00 / 1M tokens |
| Output price | $2.40 / 1M tokens | $12.00 / 1M tokens |
| Knowledge cutoff | — | 2025-01 |
| Input types | text, image, video | text, image, audio, video, file |
| Output types | text | text |
| Plan | All paid plans | All paid plans |
Which should you use?
Pick Qwen3.5-Plus when…
- Cost matters: input runs at $0.40 / 1M tokens versus $2.00 / 1M tokens.
Pick Gemini 3.1 Pro Preview when…
- You need the larger context window — 1.0M against 1M.
- You want longer single responses — up to 66K output tokens.
- You need audio and file input, which the other model does not accept.
Related comparisons
Try both on Clade
You do not have to choose. One Clade subscription gives you Qwen3.5-Plus, Gemini 3.1 Pro Preview, and every other model on the platform.