Open-source video model runs on a single RTX 3090, closing gap with paid AI video

HashemGhaili · x · 2026-10-25

HashemGhaili tested the open-source MiniMax H3 video model, generating a fan-made demo scene locally on a single NVIDIA RTX 3090 via ComfyUI — no credits, subscriptions, or cloud rendering.

He admits it still trails high-end models like Seedance 2.5 and Kling AI 4.0, but argues open-source video models are improving fast and the gap with paid alternatives is shrinking rapidly.

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