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Kroma v0.2 — Krea 2 fine-tune (full model)

Kroma is a fine-tune of Krea 2. As of v0.2 it is distributed as a full model checkpoint — the v0.1 LoRA-delta packaging has been retired. v0.2 is more training on top of v0.1, with no LoRA delta compression, and the Krea 2 Turbo delta merged in as a rank-512 LoRA — a single file gives you the fine-tuned quality at Turbo speed.

File: kroma-v0.2-turbo.safetensors (full diffusion model)
Type: full fine-tuned checkpoint (not a LoRA — no base model required)
License: MIT

Upgrading from v0.1: v0.1 was a LoRA + .diff deltas loaded on top of a Krea 2 checkpoint. v0.2 replaces that entirely — load it as a normal diffusion model and drop the LoraLoader from your workflow.

Running in ComfyUI

1. Requirements

A recent ComfyUI with native Krea 2 support (update to the latest master).
The Krea 2 text encoder and VAE (the diffusion model is this repo — no separate base checkpoint needed).

2. Files to download

Place these in your ComfyUI folders:

What	Where	Notes
`kroma-v0.2-turbo.safetensors`	`ComfyUI/models/diffusion_models/`	this repo
Krea 2 text encoder (Qwen3-VL)	`ComfyUI/models/text_encoders/`	load with CLIPLoader type `krea2`
Krea 2 VAE	`ComfyUI/models/vae/`

3. Sampling settings

The Krea 2 Turbo delta is merged in, so sample with Turbo settings:

Setting	Value
Steps	8-12
Guidance (CFG)	1.0 – 1.5
Shift (mu)	1.15

These are the settings the Turbo checkpoint was distilled for; keep them for best results.

4. Workflow

Load Diffusion Model → select kroma-v0.2-turbo.safetensors.
Load CLIP → the Krea 2 text encoder, set type to krea2.
Load VAE → the Krea 2 VAE.
KSampler → steps / CFG / shift per the table above.
Prompt and generate.

Minimal node chain:

Load Diffusion Model (kroma-v0.2) ─► KSampler ─► VAE Decode ─► Save Image
Load CLIP (krea2) ─────────────────► (clip)       ▲
Load VAE ───────────────────────────────────────┘
Empty Latent / prompt ────────────────────────────►

5. Tips

If the output looks off, confirm the text encoder is loaded with type krea2 (Krea 2 expects a 12-layer Qwen3-VL stack) and that you're on a current ComfyUI.

Provenance

v0.2 was produced by continued full fine-tuning of the K2 (Krea 2) checkpoint behind Kroma v0.1 — without the rank-256 LoRA delta compression used for the v0.1 release — followed by merging the Krea 2 Turbo delta in as a rank-512 LoRA.

License

MIT — see LICENSE. Note that Krea 2 is governed by its own license; this fine-tune does not grant any rights to the base weights.

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