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MiniMax H3 video generation with text, first/last-frame animation, and multimodal reference guidance at 480p, 768p, 2K, or 4K. 2K and 4K upscale a 768p base result.

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Text → Video

Generate from a prompt. Choose an aspect ratio, duration, and output resolution. Select it with "mode": "text_to_video", or leave mode out and the inputs decide. Required: prompt, duration_seconds
Optional: aspect_ratio Resolution tiers: 480P, 768P, 2K, 4K (send as tier).

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Image → Video

Animate a first frame, with an optional last frame. Output ratio follows the first image. Select it with "mode": "image_to_video", or leave mode out and the inputs decide. Required: prompt, first_frame, duration_seconds
Optional: last_frame Resolution tiers: 480P, 768P, 2K, 4K (send as tier).

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Reference → Video

Attach at least one reference image or video to guide subjects, style, motion, and sound. Audio needs a visual reference; up to 12 files are accepted. Select it with "mode": "reference_to_video", or leave mode out and the inputs decide. Required: prompt, duration_seconds
At least one of: reference_images, reference_videos
Optional: reference_audios, aspect_ratio Resolution tiers: 480P, 768P, 2K, 4K (send as tier).
Reference inputs take asset ids from POST /v1/uploads or an earlier output’s asset_id. Prices and allowed values come from the live catalog; GET /v1/models/minimax-h3-fal is always current.