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2026/10/11 12:01 (UTC+8) · Docs Update · Google / ByteDance / Alibaba / Moonshot / OpenAI / xAI 📊 The Video Understanding docs have been rewritten from tests on 19 models — no longer Gemini-only We checked each model with the same 10-second test clip. Results:
  • Works: the whole Seed family (seed-2-0-pro-260328, dola-seed-2-1-turbo-260628, etc.), qwen3.8-max / qwen3.8-flash / qwen3-vl-plus / qwen3.5-omni-plus, kimi-k3, and the Gemini models
  • Not supported: GPT, Grok, Claude, GLM and DeepSeek; GPT and GLM silently drop the video and still return 200
The universal format is video_url; the older image_url + data:video/mp4 form only works on Gemini. The page also adds a frame-extraction fallback and how to tell when an answer cannot be trusted.
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