Qwen/qwen3-5_0-8b/Released Feb 2026

Qwen3.5 0.8B

Multimodal model with vision, 256K context

Fine-tunableCommercial use
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About Qwen3.5 0.8B

Qwen/Qwen3.5-0.8B is a compact multimodal LLM with native vision capabilities. It excels in efficient general-purpose dialogue, instruction following, coding, mathematics, multilingual tasks, and vision-language understanding, while maintaining a very small parameter size suitable for resource-constrained environments, prototyping, and fine-tuning.

Some other noteworthy features of Qwen/Qwen3.5-0.8B include robust support for over 200 languages and dialects, long-context processing up to 262,144 tokens, image and video understanding, and a hybrid architecture using Gated Delta Networks with sparse Mixture-of-Experts.

MetricValue
Parameter Count0.8 billion
Mixture of ExpertsYes (sparse)
Context Length262,144 tokens
MultilingualYes
Quantized*No

*Quantization is specific to the inference provider and the model may be offered with different quantization levels by other providers.

Ready to build with Qwen3.5 0.8B?

Try Qwen3.5 0.8B in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.

curl -sSf -X POST https://hub.oxen.ai/api/ai/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "qwen3-5_0-8b",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'

API endpoint

See the API reference for request and response formats.

POSThttps://hub.oxen.ai/api/ai/chat/completions