MiniMax H3 Max

minimax/h3-max

Generate from text, first/last frames, or image/video/audio references.

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Pricing

Includes our margin. Charged per request from your balance.

Reference mode

Per 1000 extra reference tokens: $0.022

Reference mode, per second

480p: $0.055
768p: $0.088
1080p: $0.18

Per second by resolution

480p: $0.055
768p: $0.088
1080p: $0.18

Reference mode, included reference tokens: 4,096
Default duration: 5 s
Default resolution: 768p

Details

Provider: MiniMax
Added: Aug 26, 2026

Options

Parameters this model accepts.

Parameter	Values	Default
`mode`	Auto-detect, Reference to Video Default `auto`	`auto`
`seed`	-1 to 2147483647 Default `-1`	`-1`
`duration`	5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 Default `5`	`5`
`imageUrl` Optional start frame for image-to-video. Public HTTP(S) image URL or base64 image data URI (data:image/...;base64,...). Raw base64 without the data URI prefix is not supported. Omit start and end images for text-to-video.	Text	—
`resolution`	480p, 768p, 1080p Default `768p`	`768p`
`aspect_ratio`	adaptive, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 Default `16:9`	`16:9`
`lastImageUrl` Optional end frame for image-to-video. Requires a start image. Public HTTP(S) image URL or base64 image data URI (data:image/...;base64,...). Raw base64 without the data URI prefix is not supported. End frames cannot be combined with reference media or reference-to-video mode.	Text	—
`reference_audios` Optional URL, one URL per line, or a JSON array of URLs.	Text	—
`reference_images` Optional URL, one URL per line, or a JSON array of URLs.	Text	—
`reference_videos` Optional URL, one URL per line, or a JSON array of URLs.	Text	—
`enable_safety_checker`	On or off Default `on`	`on`
`prompt_expansion_mode` Disabled skips prompt rewriting. Quality takes up to about 30 seconds longer.	disabled, balanced, quality Default `balanced`	`balanced`