Black Forest Labs
Frontier visual-AI lab behind the FLUX image models, offering pay-per-megapixel API access plus open-weight and self-hosted licensing tiers.
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Black Forest Labs (BFL) is the research lab behind the FLUX family of image generation and editing models, created by researchers formerly behind Latent Diffusion and Stable Diffusion. It offers a usage-based REST API (billed per megapixel generated/edited, with an OpenAPI spec and official Python client) alongside tiered open-weights licensing (Builder, Platform, Professional, Enterprise) for self-hosted or on-premises deployment, and ships a first-party remote MCP server plus a published Claude Agent Skills repo. Founded in August 2024 and headquartered in Freiburg, Germany (with a San Francisco office), BFL raised a $31M seed round led by a16z followed by a $300M Series B at a $3.25B post-money valuation.
Pricing
| Tier | Price | Key features |
|---|---|---|
| API Pay-As-You-Go | Custom | No subscriptions or seat fees, Credit-based billing (1 credit = $0.01), Batch generation support (cost multiplies per image), Zero-data-retention option for managed API |
| Builder (Open Weights License) | Custom | FLUX.2 [klein] models, 1 domain, Fine-tuning rights, Self-serve signup |
| Platform (Open Weights License) | Custom | FLUX.2 [klein] 9B + [dev], 1 domain, Fine-tuning rights, Requires contacting sales |
| Professional (Open Weights License) | Custom | FLUX.2 [dev], Up to 3 domains, Fine-tuning rights, Requires contacting sales |
| Enterprise | Custom | All models and releases, including combined API + self-hosted weights, Custom domains and user counts, Permissive commercial use terms, SOC 2 Type II / ISO 27001 / SSO, Requires contacting sales |
Source: https://bfl.ai/pricing
Agent-readiness
- Discoverability
- 85/100
- Machine-readable content
- 90/100
- Programmatic access
- 85/100
- MCP / agent support
- 95/100
- Self-serve transactability
- 65/100
- Transparency
- 65/100
Security & compliance
- SSO / SAML
- Yes
- Encryption at rest
- Yes
- Encryption in transit
- Yes
- Audit log
- Not publicly documented
- Pentest report
- Not publicly documented
"Not publicly documented" means Crail found no public evidence either way — not a confirmed absence. See our methodology. Trust center: https://bfl.ai/enterprise.
FAQ
Does Black Forest Labs have a free tier?
No — Black Forest Labs does not offer a free tier as of 2026-07-27.
Can you buy Black Forest Labs without talking to sales?
Yes, Black Forest Labs can be purchased self-serve without a sales call.
Does Black Forest Labs have an official MCP (Model Context Protocol) server?
Yes, Black Forest Labs publishes an official MCP server (https://github.com/black-forest-labs/flux-mcp).
What compliance certifications does Black Forest Labs hold?
Black Forest Labs holds: SOC 2 Type II, ISO 27001, GDPR.
Reviews
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Methodology & disclosure
Data verified via agent crawled, last checked 2026-07-27. Agent-readiness methodology version crail-ar-v0.1. No vendor payment influences these scores — see our methodology page.