Alibaba
LLM
Light
Open weights
Qwen3.5-4B
257 days since Alibaba announced it ·
Qwen3.5-4B is an open-weights LLM from Alibaba, announced 2 Mar 2026. It has 4B parameters.
- Input
- —
- per 1M tokens
- Cache write
- —
- per 1M tokens
- Cache read
- —
- per 1M tokens
- Output
- —
- per 1M tokens
- Context window
- —
- tokens
- Parameters
- 4B
- total
No price on the lab’s own pages.
- Our story
- Our story
Our coverage
1 storyAlibaba · Light
open weights- Qwen3.5-9B +0d
- Qwen3.5-2B +0d
- Qwen3.5-0.8B +0d
- Qwen3.5-4B
More from Alibaba
All modelsFacts last updated , from Alibaba’s own pages.