qwen/qwen3-5_4b/Released Feb 2026

Qwen3.5 4B

Multimodal LLM with thinking mode by default, native vision, image and video understanding, tool calling, support for 201 languages, and long-context up to 262K tokens (extensible to 1M with YaRN).

Fine-tunable

Provider

qwen

Modality

multi-to-text

Released

Feb 2026

Pricing

$0.0010 / sec

Ready to build with Qwen3.5 4B?

bash

curl -sSf -X POST https://staging.hub.oxen.ai/api/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $OXEN_API_KEY" \
    -d '{
  "model": "qwen3-5_4b",
  "messages": [
    {
      "role": "user",
      "content": "Try sending a message."
    }
  ]
}'