ComfyUI Node: Flux2 Kontext Conditioner

Authored by KursatAs

Created

Updated

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Run ComfyUI workflows without the setup

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Category

flux/conditioning

Inputs

clip CLIP
prompt STRING
target_resolution INT
alignment
  • 16
  • 32
  • 64
upscale_method
  • lanczos
  • bicubic
  • bilinear
  • area
  • nearest-exact
guidance FLOAT
system_prompt_mode
  • none
  • default
  • creative
  • minimal
  • custom
vae VAE
image1 IMAGE
image1_strength FLOAT
image1_resolution INT
image2 IMAGE
image2_strength FLOAT
image2_resolution INT
image3 IMAGE
image3_strength FLOAT
image3_resolution INT
vae_tiling BOOLEAN
custom_system_prompt STRING

Outputs

CONDITIONING

IMAGE

IMAGE

IMAGE

LATENT

Extension: ComfyUI-Flux2KontextConditioner

Advanced conditioning node for Flux2 Klein Kontext image editing workflows. Encodes up to 3 reference images via the Flux2 VAE and attaches them as reference latents for Kontext attention. Text is encoded through the Qwen3-8B LLM-based text encoder with optional instruct prompt wrapping. Supports per-image strength and resolution control, VAE tiling for high-resolution encoding, and bakes the Flux2 guidance scale directly into the conditioning.

Authored by KursatAs

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