MODEL LINEAGE
中文
Model index
Black Forest Labs·FLUX

FLUX.1 Kontext [dev]

A 12B open-weight contextual editing model for multi-turn changes, character consistency, and local control.

LegacyImage generationMultimodalOpen weights
MODEL NUMBER214
First public date
2025-05-29
Organization
Black Forest Labs
Family
FLUX
01

Specifications

Only published specifications are shown.

Total parameters
12B↗
Architecture
Hybrid↗
Input modalities
Text · Image
Output modalities
Image
Open weights
Yes↗
License
FLUX.1 Non-Commercial License↗
Status
Legacy
02

Overview

Release dates

— The Kontext family was announced and dev entered private beta; weights were not yet public. ↗ — Kontext dev released its 12B weights under the FLUX.1 Non-Commercial License. ↗

03

Specifications alongside predecessor

Compared with FLUX.1 [dev] ↗

PreviousFLUX.1 [dev]12B · — ctx
CurrentFLUX.1 Kontext [dev]12B · — ctx
04

Architecture & capabilities

Model capabilities

Image editingCharacter consistencyMulti-turn editing
05

Release history

Preview

The Kontext family was announced and dev entered private beta; weights were not yet public.

View source
Open weights

Kontext dev released its 12B weights under the FLUX.1 Non-Commercial License.

View source
06

Related models

Select a card to view the related model.

PredecessorFLUX.1 [dev]View details →SuccessorFLUX.2 [dev]View details →
07

Sources

01
Introducing FLUX.1 KontextBlack Forest Labs · Published 2025-05-29
Official · Verified02
FLUX.1 Kontext dev: open weights for image editingBlack Forest Labs · Published 2025-06-26 · Checked 2026-09-06
Official · Verified
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