What Flux (Black Forest Labs) is
Black Forest Labs is a frontier AI lab whose FLUX line of models generates images, video, audio, and even robotics action predictions. The current release is FLUX 3, with stylistically diverse outputs and native audio. The lab raised $300M in a Series B round.
Funding snapshot
Late 2025 round totaling approximately $450M, with participation from AMP, Salesforce Ventures, Samsung, Adobe, T-Mobile (Telekom), and Canva (after an initial US$31M investment in 2024)
Key features
- FLUX 3 multimodal model (image, video, audio, robotics action-prediction)
- Up to 20-second generated video clips
- Multilingual speech, effects, and ambience generated with the frames
- Real-world image grounding and accurate text rendering
- MCP server for Claude Code, Codex, Cursor, VS Code, and Devin
Where it lives
API (docs.bfl.ai)Open Weights (Hugging Face, GitHub)Browser PlaygroundMCP server (https://mcp.bfl.ai)Claude Code, Cursor, Devin, VS Code
Alternatives to consider
Related reading
5 pieces from AIUnpacker on Flux (Black Forest Labs)
Guides and articles
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Sources & media
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