Add best-current MiniMax H3 R2V master

2026-08-16 10:10:01 +00:00
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+# MiniMax H3 Best Current R2V Master 480p 3x10s
+
+## Summary
+
+Best-current `MiniMax H3` continuation master for Chris's actual priority:
+`reference-to-video` first, not generic `t2v`. This workflow keeps the
+extender's validated clip-by-clip cache flow, but locks it into the safest
+current local shape: `480p`, `3 x 10s`, lighter `Ref2VA` stack, and reusable
+subject-definition prompts for continuity across the chain.
+
+## Status
+
+- `best-current-r2v-master`
+
+## Workflow asset
+
+- `workflow.json`
+
+## Built from
+
+- `optimized/image-to-video/minimax-h3-extender-3070-r2v-480p-clip-by-clip/`
+- `models/minimax/minimax-h3-extender-ref2va/`
+- local lessons from:
+  - `optimized/image-to-video/minimax-h3-contex-loop-3070-compact-prepend-480p-3x10s/`
+  - `optimized/image-to-video/minimax-h3-contex-loop-3070-compact-30s/`
+
+## Key model stack
+
+- `minimax_h3_ref2va_pruned_w4a8_mixed.safetensors`
+- `qwen3vl_32b_heretic_minimax_h3_nvfp4.safetensors`
+- `minimax_h3_video_vae_int8_convrot.safetensors`
+- `minimax_h3_audio_vae_fp32.safetensors`
+- `minimax\minimax_h3_fl2v_lightx2v_turbo_4step_v0.1_comfy.safetensors`
+
+## Main changes
+
+- keeps `clip_by_clip` validation instead of `full_batch`
+- keeps the safer `864x480` working canvas
+- keeps `5` steps rather than the source graph's more brittle `4`
+- expands the starter plan to `3 x 10s` clips so the default chain matches the
+  safer continuation cadence already established by the compact local MiniMax
+  masters
+- uses neutral reusable `R2V` prompts instead of a source-specific demo scene
+- keeps `context_length=22` and `ref_image_size=match`
+
+## Why this is the best current one
+
+- Chris's standing preference is `reference-to-video` first, so this workflow
+  is optimized around `Ref2VA` continuation instead of plain `t2v`
+- the extender node's validation/cache loop is the strongest current UX for
+  building a long sequence progressively without rerendering accepted clips
+- the current compact `Contex Loop` masters still define the safe local budget,
+  and this workflow inherits that budget shape instead of pretending the source
+  defaults are free
+- this is the cleanest current merge of:
+  - better continuation workflow UX
+  - safer `3070 / 8 GB` assumptions
+  - `R2V`-first control
+
+## When to use this
+
+- use this first when the goal is: keep one or more reference images stable and
+  extend the action across several connected clips
+- use the compact `Contex Loop` masters instead when the main job is extending
+  an already existing source video rather than generating a new reference-driven
+  chain
+
+## Notes
+
+- Start with one strong main reference and short clips.
+- Validate each clip before moving on.
+- Add extra image references only when they solve a real identity or scene
+  problem, because more references also increase fragility.