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Qwen3.5-0.8B

Weights available

Open-weight Qwen model with a 256K-token context window, image input and tool calling. Released March 2, 2026. Weights on Hugging Face.

Access details: Qwen open weights (Hugging Face)

The Hugging Face repository. Download the weights and run them yourself or with a host.

Qwen/Qwen3.5-0.8B
Updated Oct 1, 2026

Capabilities & limits

Context window
256K
Maximum output
Not published
Image input
Supported
Tool calling
Supported
Structured output
Not published

Hosted price

Free to download. Running the weights costs whatever your hardware or host charges.

Price history
Oct 1, 2026

Input Not applicable per million tokens

Oct 1, 2026

Output Not applicable per million tokens

Technical details

Parameters
0.8B
Architecture
Causal Language Model with Vision Encoder
Training / knowledge cutoff
Not published
Input modalities
Text, image, video
Output modalities
Text

License

Apache-2.0

From Qwen

How they describe it

Qwen3.5 represents a significant leap forward, integrating breakthroughs in multimodal learning, architectural efficiency, reinforcement learning scale, and global accessibility

Release & lifecycle

Published
Mar 2, 2026
available
As of Oct 1, 2026

Considering a switch?

Specs only go so far. Try both on your own tasks and compare quality, speed and cost.

Compare with GPT-5.4 →

Prices and availability as of October 20, 2026. Qwen's own pages have the latest.