Flux 3 AI Blog
Blog
Read about our latest product features, solutions, and updates.
FLUX Character Consistency: The 9MP Budget
Keeping a character identical across shots with FLUX.2 multi-reference editing — and the 9MP input+output limit that decides how many references you get.
FLUX Erase: Remove Objects From Photos
The mask convention, the dilate_pixels setting that fixes leftover edges, the 1MP sweet spot, and what 403 and 422 actually mean on the Erase endpoint.
FLUX MCP: Generate Images Inside Claude
Black Forest Labs ships an official MCP server at mcp.bfl.ai — OAuth sign-in, no API keys, all FLUX.2 models. Setup for Claude, Cursor and Windsurf.
FLUX Outpainting: Expand Any Image
Extend images past their borders with no prompt. The 4MP canvas cap, fast mode geometry limits, the renamed offset fields, and the free demo.
FLUX Product Photography: Keep the Label
Generate product shots that keep branding, labels and materials intact — the reference workflow, what FLUX preserves, and where to use Erase instead.
FLUX Typography: Posters, Ads and Layouts
Generate readable headlines, magazine covers, UI mockups and infographics with FLUX — quoted strings, hex binding, JSON prompts and the step trade-off.
FLUX Virtual Try-On: The Prompt Formula
FLUX VTO puts any garment on any person. The official prompt formula, what to describe (and what not to), reference image types, and the free demo.
FLUX API: Endpoints, Limits and Pricing
A working guide to the Black Forest Labs FLUX API: the async request pattern, current endpoints, rate limits, and what each call costs.
FLUX Text to Image: Official Prompt Guide
How FLUX text-to-image prompting works: the documented structure, why negative prompts do nothing, hex colour control, and readable text.
How to Use FLUX 3: Access and Workflow
How FLUX 3 early access actually works, what the model accepts as input, and the prompt workflow that transfers from FLUX.2 to FLUX 3.