MiniMax H3

MiniMax H3 is the Hailuo 3.0 family. The first-party API identifier is MiniMax-H3; fal.ai exposes the family as hailuo-03, and Runway uses hailuo3. Do not substitute one provider's identifier into another API.

Choose a route

Route	Tool call	Execution
MiniMax direct	minimax_video, model: "MiniMax-H3"	Hosted first-party v2 API; global or mainland-China region
fal.ai	minimax_fal_video	Hosted gateway; T2V, I2V, reference-to-video
Runway	runway_video, model: "hailuo3"	Hosted; 768P or 2K, 5–15 seconds
ComfyUI Partner Node	comfyui_video, model_family: "minimax_h3_api"	Hosted and billed in Comfy credits
ComfyUI open weights	comfyui_video, model_family: "minimax_h3_local"	Local GPU with official workflow and model stack

For local ComfyUI, export the official workflow in API format and pass workflow_json or workflow_path plus output_node. OpenMontage reports the required diffusion model, Qwen3-VL text encoder, video VAE, and audio VAE; it does not silently download large weights.

Operations and prompting

• Text-to-video: concrete ratio; do not use adaptive without visual input.
• Image-to-video: provide a first frame.
• First/last-frame: provide both images and describe the motion between them.
• Reference-to-video: images, videos, and audio can be combined. Audio needs at least one visual reference.

Write prompts as subject + action + camera path + environment + lighting + audio intent. MiniMax responds well to explicit camera direction. Keep the requested motion achievable within 4–15 seconds and inspect native audio as carefully as the image track.

Provider differences

The direct MiniMax v2 route currently outputs 2K and supports 4–15 seconds. Runway's Hailuo 3.0 route supports 768P/2K and documents 5–15 seconds. Partner Nodes require network access and credits. Only the open-weight ComfyUI route is local/offline after all models are installed.