Nodes/BSAI-ComfyUI-Sol-H3/BSAI Sol-H3 SolEngine Two-Stage Refine (LTX-2.5)
ComfyUI Node

BSAI Sol-H3 SolEngine Two-Stage Refine (LTX-2.5)

NVIDIA Sol Engine two-stage Stage-2: H3 draft -> LTX-2.5 3-step refine (side branch; does not affect existing two-pass nodes)

By xm6018924·Created 2 months ago·Updated 3 days ago· 9
BSAI Sol-H3 SolEngine Two-Stage Refine (LTX-2.5)
  • h3_frames
  • h3_audio
  • image
  • audio
  • report
◄positive_promptUse the same positive prompt as the H3 draft.►
◄target_width1920►
◄target_height1088►
◄fps24►
◄schedule_modeofficial_0p85►
◄ltx_transformer▾►
◄ltx_vae▾►
◄ltx_clip▾►
◄ltx_upscaler▾►
◄refiner_lora▾►
◄refiner_lora_strength0.80►
◄seed42►
◄stage2_attentionsol_attn_sparse►
◄stage2_cond_cachetrue►
◄decode_modeauto►
◄decode_tile_size768►
CategoryBSAI/Sol-H3/SolEngine

Inputs (18)

NameTypeDefaultDescription
h3_framesIMAGE—
h3_audioAUDIO—
positive_promptSTRINGUse the same positive prompt as the H3 draft.—
target_widthINT1920256–3840—
target_heightINT1088256–2176—
fpsFLOAT241–120—
schedule_modeCOMBOofficial_0p857 options: official_0p85, one_step_sol, official_0p85_8step, official_0p909, identity_preserve_0p5, step20_diag, +1
ltx_transformerCOMBO1 options: (missing LTX-2.5 transformer)
ltx_vaeCOMBO1 options: (missing LTX VAE)
ltx_clipCOMBO1 options: (missing text encoder)
ltx_upscalerCOMBO1 options: (missing LTX upscaler)
refiner_loraCOMBO1 options: (none / distilled-transformer already baked)
refiner_lora_strengthFLOAT0.800–2—
seedINT420–18446744073709550000—
stage2_attentionCOMBOsol_attn_sparse2 options: sol_attn_sparse, dense_reference
stage2_cond_cacheBOOLEANtrue—
decode_modeCOMBOauto3 options: auto, full, tiled
decode_tile_sizeINT768256–2160—

Outputs (3)

NameTypeDescription
imageIMAGE—
audioAUDIO—
reportSTRING—