FLUX.1 Kontext Max is Black Forest Labs's experimental maximum-fidelity editing tier. It prioritizes typography accuracy, precise prompt adherence, and edit consistency for tasks where exact instruction fidelity is the primary requirement.
import { experimental_generateImage as generateImage } from 'ai';
const result = await generateImage({ model: 'bfl/flux-kontext-max', prompt: 'A red balloon on a wooden table.'});Black Forest Labs introduced FLUX.1 Kontext Max on June 1, 2025 alongside Kontext Pro, positioning it as the experimental, maximum-performance tier of the Kontext family. Black Forest Labs describes it as delivering "greatly improved prompt adherence and typography generation, and high consistency for editing, all without compromise on speed."
The defining use cases for Kontext Max over Kontext Pro are typography and exact instruction fidelity. Typography is notoriously difficult for generative image models. Rendering legible, accurate text within an image (a sign, a label, an overlay) requires the model to treat characters as precise visual elements rather than free-form strokes. Kontext Max targets this specifically: editing text content within an existing image, correcting labels, adding legible fine print, or generating scenes where on-screen text must be precise.
Prompt adherence is the other axis. Kontext Pro follows editing instructions reliably in an iterative workflow. Kontext Max raises the ceiling on how precisely those instructions execute. When detailed, multi-clause editing prompts specify exact colors, precise spatial arrangements, or specific visual attributes, Max is the variant to use.
Like all Kontext models, Max supports iterative multi-turn editing. Each output becomes the reference for the next turn, preserving character and style consistency across a sequence of changes.