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Alibaba: qwen3.5-4b:free
qwen3.5-4b:free
262.1K contextTools
Released Feb 23, 2026Updated Jul 9, 2026
Qwen3.5 4B is a low-cost multimodal reasoning model with 256K context, image and video input, function tools, and structured output.
Pricing
Input price
$0.00/ 1M tokens
Output price
$0.00/ 1M tokens
Context window 262.1K tokensCompatible endpoints openaiVendor Alibaba
Uptime
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