Qwen3 VL 8B Thinking

Qwen3-VL-8B-Thinking is the reasoning-optimized variant of the Qwen3-VL-8B multimodal model, designed for advanced visual and textual reasoning across complex scenes, documents, and temporal sequences. It integrates enhanced multimodal alignment and long-context processing (native 256K, expandable to 1M tokens) for tasks such as scientific visual analysis, causal inference, and mathematical reasoning over image or video inputs. Compared to the Instruct edition, the Thinking version introduces deeper visual-language fusion and deliberate reasoning pathways that improve performance on long-chain logic tasks, STEM problem-solving, and multi-step video understanding. It achieves stronger temporal grounding via Interleaved-MRoPE and timestamp-aware embeddings, while maintaining robust OCR, multilingual comprehension, and text generation on par with large text-only LLMs.

ChatQwen131k tokens$0.1962 / $2.2891 · 1M

qwen/qwen3-vl-8b-thinking

Context
131k tokens
Completion cap
32,768
Tools
Yes
JSON
Yes
Released
2025-10-14

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3-vl-8b-thinking",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Qwen3 VL 8B Thinking?
Qwen3-VL-8B-Thinking is the reasoning-optimized variant of the Qwen3-VL-8B multimodal model, designed for advanced visual and textual reasoning across complex scenes, documents, and temporal sequences. It integrates enhanced multimodal alignment and long-context processing (native 256K, expandable to 1M tokens) for tasks such as scientific visual analysis, causal inference, and mathematical reasoning over image or video inputs. Compared to the Instruct edition, the Thinking version introduces deeper visual-language fusion and deliberate reasoning pathways that improve performance on long-chain logic tasks, STEM problem-solving, and multi-step video understanding. It achieves stronger temporal grounding via Interleaved-MRoPE and timestamp-aware embeddings, while maintaining robust OCR, multilingual comprehension, and text generation on par with large text-only LLMs. Qwen3 VL 8B Thinking runs on the Geek Hub API (OpenAI-compatible). Model id: qwen/qwen3-vl-8b-thinking.
Is Qwen3 VL 8B Thinking free?
No. Input is $0.1962 per 1M tokens and output is $2.2891 per 1M tokens on Geek Hub (markup included).
What is the context length of Qwen3 VL 8B Thinking?
Qwen3 VL 8B Thinking has a 131k tokens context window. It supports up to 32,768 completion tokens.
Does Qwen3 VL 8B Thinking support tool calling and structured outputs?
Qwen3 VL 8B Thinking accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Qwen3 VL 8B Thinking released?
Qwen3 VL 8B Thinking was released on 2025-10-14.

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