ComfyUI Node
MiniMax H3 Flow Director
Visual timeline director for MiniMax H3. Each block on the timeline is generated sequentially as its own flow, automatically passing the decoded last frame to the next block for continuous long videos with low, constant VRAM usage.
MiniMax H3 Flow Director
- clip
- vae
- sampler
- sigmas
- model
- model_ref2va
- audio_vae
- noise
- ref_images
- first_frame_override
- model
- positive
- latent
- images
- audio
- fps
- width
- height
- length
- prompt
- last_image
- retake_info
◄timeline_data►
◄global_prompt►
◄start_second0.00►
◄end_second5.00►
◄duration_seconds5.00►
◄start_frame0►
◄end_frame120►
◄duration_frames120►
◄use_custom_audiofalse►
◄use_custom_motiontrue►
◄inpaint_audiotrue►
◄local_prompts►
◄segment_lengths►
◄frame_rate24►
◄display_modeseconds►
◄guide_strength►
◄custom_width0►
◄custom_height0►
◄resize_methodcrop►
◄divisible_by32►
◄img_compression0►
◄override_audiofalse►
◄ref_image_sizematch►
◄shift_video12.00►
◄shift_audio3.00►
◄ref_image_notes►
◄start0.00►
◄end0.00►
◄duration0.00►
◄width0►
◄height0►
CategoryMiniMax H3
Inputs (41)
| Name | Type | Default | Description |
|---|---|---|---|
| clip | CLIP | MiniMax Qwen3-VL text encoder. | |
| vae | VAE | minimax_h3_video_vae. | |
| sampler | SAMPLER | Sampler from KSamplerSelect. | |
| sigmas | SIGMAS | Sigmas from BasicScheduler. | |
| timeline_data | STRING | JSON state of the timeline editor (auto-managed). | |
| modelopt | MODEL | fl2va weights (minimax_h3_fl2va_*), used when toolbar is 'Refs OFF'. | |
| model_ref2vaopt | MODEL | ref2va weights (minimax_h3_ref2va_*), used when toolbar is 'Refs ON'. | |
| audio_vaeopt | VAE | minimax_h3_audio_vae for joint audio generation and decoding. | |
| noiseopt | NOISE | Noise from RandomNoise. | |
| global_promptopt | STRING | Conditions all blocks: style, atmosphere, characters. | |
| start_secondopt | FLOAT | 0.000–10000 | — |
| end_secondopt | FLOAT | 5.000–10000 | — |
| duration_secondsopt | FLOAT | 5.000.1–10000 | — |
| start_frameopt | INT | 00–1000000 | — |
| end_frameopt | INT | 1201–1000000 | — |
| duration_framesopt | INT | 1201–1000000 | — |
| use_custom_audioopt | BOOLEAN | false | — |
| use_custom_motionopt | BOOLEAN | true | — |
| inpaint_audioopt | BOOLEAN | true | — |
| local_promptsopt | STRING | — | |
| segment_lengthsopt | STRING | — | |
| frame_rateopt | FLOAT | 241–240 | — |
| display_modeopt | COMBO | seconds | 2 options: frames, seconds |
| guide_strengthopt | STRING | — | |
| custom_widthopt | INT | 00–8192 | — |
| custom_heightopt | INT | 00–8192 | — |
| resize_methodopt | COMBO | crop | 5 options: maintain aspect ratio, stretch to fit, pad, pad green, crop |
| divisible_byopt | INT | 321–256 | — |
| img_compressionopt | INT | 00–100 | — |
| override_audioopt | BOOLEAN | false | — |
| ref_image_sizeopt | COMBO | match | 2 options: match, max |
| shift_videoopt | FLOAT | 12.000.01–100 | — |
| shift_audioopt | FLOAT | 3.000.01–100 | — |
| ref_imagesopt | IMAGE | Extra reference images for ref2va. | |
| ref_image_notesopt | STRING | — | |
| startopt | FLOAT | 0.00 | — |
| endopt | FLOAT | 0.00 | — |
| durationopt | FLOAT | 0.00 | — |
| widthopt | INT | 0 | — |
| heightopt | INT | 0 | — |
| first_frame_overrideopt | IMAGE | Optional external image to seed Block 0 (overriding timeline image). |
Outputs (12)
| Name | Type | Description |
|---|---|---|
| model | MODEL | Patched model output. |
| positive | CONDITIONING | Conditioning output. |
| latent | LATENT | Latent output. |
| images | IMAGE | Full concatenated and decoded video frames (24 fps). Wire directly into VHS Video Combine. |
| audio | AUDIO | Full concatenated and decoded stereo audio waveform (44.1 kHz). Wire directly into VHS Video Combine. |
| fps | FLOAT | Always 24.0 — MiniMax H3 native output rate. Wire into VHS Video Combine. |
| width | INT | Output canvas width. |
| height | INT | Output canvas height. |
| length | INT | Total rendered frame count. |
| prompt | STRING | The compiled storyboard prompt. |
| last_image | IMAGE | Last frame of the final block. |
| retake_info | STRING | Retake window info. |