# MiniMax H3 MiniMax H3 is MiniMax's multimodal video model, released on 31 July 2026, following its earlier Hailuo 01 and Hailuo 02 models. It makes video with native stereo sound from text, or from a start frame and optional end frame. MiniMax aims it at ads and e-commerce. In Sloosh it makes 5 to 15 second clips up to 4K. Web page: https://sloosh.ai/models/minimax-h3 [Use MiniMax H3](https://sloosh.ai/studio/video?video-model=minimax-h3) ## Key facts in Sloosh | | | | --- | --- | | Made by | MiniMax | | Makes | video (with sound: always) | | Inputs | text; start frame (optional); end frame (optional); no reference images, videos or audio | | Length | any whole number of seconds from 5 to 15 | | Resolution | 480p, 768p, 2K (default), 4K | | Aspect ratios | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16 | | Prompt limit | 50,000 characters | ## Best for - Ads and product moments from a written brief: MiniMax cites "instruction following, accurate text and brand rendering" and names advertising, branding and e-commerce ([MiniMax blog](https://www.minimax.io/blog/minimax-h3)). - Clips that open and close on exact images: H3's first/last-frame mode takes zero, one or two frames ([MiniMax H3 model card](https://huggingface.co/MiniMaxAI/MiniMax-H3)). - Videos with speech: MiniMax lists 11 stably supported speech languages, including English, Spanish, Japanese and Arabic ([MiniMax H3 model card](https://huggingface.co/MiniMaxAI/MiniMax-H3)). - High-resolution finals: in Sloosh it starts at 2K and offers 4K (catalog). ## How to use MiniMax H3 in Sloosh 1. Open [Video](https://sloosh.ai/studio/video?video-model=minimax-h3) and pick MiniMax H3 in the model chip. 2. Optionally add a start frame, and an end frame if you want the clip to land on an exact image. 3. Write the prompt: core idea first, then action, camera and sound in order. 4. Set length (5 to 15 seconds), resolution and aspect ratio. Set a seed if you want to repeat a result. 5. Check the price on the Generate button, then generate. ## MiniMax H3 prompting tips - Write camera moves as plain action with size and speed: "The camera pushes in with small amplitude at slow speed" ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). - For a cut, give the first shot no timestamp and start later shots at their cut time; each cut should add new information ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). For a single take, say "one continuous shot, no cuts" ([Sloosh docs](https://sloosh.ai/docs/minimax-h3.md)). - Keep sound apart from music: a short soundscape line and a separate music line on instruments, tempo and dynamics ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). - Put spoken lines in quotes with the speaker and language, and keep the words exactly as you want them said ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). - Put any on-screen text (signs, labels, banners) in double quotes ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). - With start and end frames, describe the motion path between them, not two still images ([MiniMax prompt guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md)). Stay under about 7,000 characters ([Sloosh docs](https://sloosh.ai/docs/minimax-h3.md)). ## MiniMax H3 example prompts **Prompt 1** ```text One continuous shot, no cuts. A glass bottle of cold-brew coffee stands on a wet black stone as ice cubes drop beside it. The camera pushes in with small amplitude at slow speed to the label, which reads "COLD 12". Sound: ice clinking, a light fizz. Music: slow, deep electronic pulse. ``` **Prompt 2** ```text A woman in a yellow raincoat waits at a city bus stop at night. At 1.5 seconds she looks at her watch and says, in English, tired but smiling: "Late again." The camera holds at eye level. Sound: rain on the shelter roof, a distant car. Music: none. ``` **Prompt 3** ```text Starting from this start frame of an empty bakery counter, a tray of fresh croissants slides into frame and steam rises. The camera tilts down slowly to the pastries. Sound: a tray set on wood, quiet shop chatter. Music: soft accordion at a gentle tempo. ``` ## How it compares in Sloosh | | MiniMax H3 | H3 Reference | H3 Max | H3 Max Turbo | H3 Max Reference | | --- | --- | --- | --- | --- | --- | | Inputs | text, start/end frame | references or start frame | text, start/end frame | text, start/end frame, 1 audio clip | references or start frame | | Max resolution | 4K | 4K | 1080p | 1080p | 1080p | | Length | 5 to 15 s | 5 to 15 s | 5 to 15 s | 5, 10, 15 s | 5 to 15 s | | Sound | always | always | always | always | always | Close alternatives with frames and sound: Seedance 2.0 (up to 4K, optional sound), Wan 3 (up to 30 s). ## Where else it runs MiniMax offers it through its own API (model ID MiniMax-H3) and its Hailuo AI web app, and has published model weights under the MiniMax H3 Community License ([MiniMax video guide](https://platform.minimax.io/docs/guides/video-generation), [MiniMax H3 model card](https://huggingface.co/MiniMaxAI/MiniMax-H3)). ## Frequently asked questions ### When was MiniMax H3 released? MiniMax announced it on 31 July 2026. ### Is MiniMax H3 the same as Hailuo 3? MiniMax calls it MiniMax H3 and serves it in its Hailuo AI app; "Hailuo 3" is a name some listings use for the same model. ### Can MiniMax H3 make 4K video in Sloosh? Yes. It offers 480p, 768p, 2K and 4K, and starts at 2K. ### Does MiniMax H3 make sound? Yes, every clip has native sound; it can't be switched off. ### Can MiniMax H3 use reference images? Not this option: it takes text or frames. For references, pick MiniMax H3 Reference. ### How long can a MiniMax H3 prompt be? Sloosh accepts up to 50,000 characters, but MiniMax's own API caps prompts at 7,000, so keep it under about 7,000. ### Is MiniMax H3 open source? MiniMax released the weights under its own community license, with some parts (such as 2K regeneration) not yet open. ### Is MiniMax H3 free? Not for free: Sloosh has no free plan, so each MiniMax H3 clip is paid from your plan. Any current offer shows on [pricing](https://sloosh.ai/pricing), and Studio shows the exact price before you generate. Your first Sloosh workspace gets 20 starter credits once, so you can try it before you pay. ## Related - Models: [MiniMax H3 Reference](https://sloosh.ai/models/minimax-h3-reference), [MiniMax H3 Max](https://sloosh.ai/models/minimax-h3-max), [MiniMax H3 Max Turbo](https://sloosh.ai/models/minimax-h3-max-turbo), [MiniMax H3 Max Reference](https://sloosh.ai/models/minimax-h3-max-reference), [Seedance 2.0](https://sloosh.ai/models/seedance-2.0), [Wan 3](https://sloosh.ai/models/wan-3.0) - Docs: [MiniMax H3](https://sloosh.ai/docs/minimax-h3.md) ## Sources - [MiniMax: MiniMax H3](https://www.minimax.io/blog/minimax-h3) - [MiniMax H3 model card](https://huggingface.co/MiniMaxAI/MiniMax-H3) - [MiniMax H3 prompt writing guide](https://huggingface.co/MiniMaxAI/MiniMax-H3/blob/main/docs/VIDEO_PROMPT_WRITING_GUIDE_base_en.md) - [MiniMax API: video generation guide](https://platform.minimax.io/docs/guides/video-generation) - [Sloosh docs: MiniMax H3](https://sloosh.ai/docs/minimax-h3)