H3 Masked-AV Continue (T2VA)

Continue an H3 T2VA clip from a persisted AV latent without a first-frame image.

Unofficial project. Not affiliated with or endorsed by Comfy Org.

Purpose

Extend a T2VA generation with masked AV context.

AUTHORING SOURCE: ir.build.ts. GENERATED: workflow.ir.json, comfy.workflow.json, prompt.template.json — do not hand-edit. Rebuild with pnpm comfy:build from comfy-workflows/. Gemmy runtime binds prompt.template.json (Python, no Node).

Install

pnpm add @stepupgaming/comfy-workflow-h3-continue-t2va

Required parameters

• prompt
• context_latent

Optional parameters

• unet (default "minimax_h3_fl2va_pruned_int8_convrot.safetensors")
• clip (default "qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors")
• video_vae (default "minimax_h3_video_vae_fp16.safetensors")
• audio_vae (default "minimax_h3_audio_vae_fp32.safetensors")
• width (default 864)
• height (default 480)
• length (default 124)
• seed (default 42)
• steps (default 20)
• denoise (default 1)
• shift_video (default 12)
• shift_audio (default 3)
• context_frames (default 39)
• latent_prefix (default "h3/continue_av")
• output_prefix (default "h3/continue")
• fingerprint (default "{}")

Custom node packs

• gemmy-h3-context

Node classes

• CLIPLoader
• ConditioningZeroOut
• CreateVideo
• GemmyH3LoadAVLatent
• GemmyH3MaskedAVContext
• GemmyH3SaveAVLatent
• GemmyH3TrimProtectedPrefix
• KSampler
• MiniMaxH3ImageToVideo
• MiniMaxH3SigmaShift
• SaveVideo
• UNETLoader
• VAEDecode
• VAEDecodeAudio
• VAELoader

Models

• model: minimax_h3_fl2va_pruned_int8_convrot.safetensors
• model: qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors
• model: minimax_h3_video_vae_fp16.safetensors
• model: minimax_h3_audio_vae_fp32.safetensors

Do not publish model binaries. Filenames are defaults from Gemmy's H3/Krea layout; they are not universally available.

Inspect & run

cwf inspect @stepupgaming/comfy-workflow-h3-continue-t2va --url http://127.0.0.1:8188
cwf run @stepupgaming/comfy-workflow-h3-continue-t2va --url http://127.0.0.1:8188 --param prompt=...

License

MIT for this package's Graph IR / scaffolding, owned by Gemmy. Models and third-party custom nodes remain under their own licenses.

Never hand-edit generated workflow JSON.