Flux-2
BFL’s latest Pro & Flex pipelines for text-to-image and image-to-image with unified 1K/2K pricing and ~30s generation.
Parameters
Use async to poll or callback to receive a webhook when ready.
Choose Pro for balanced speed/quality or Flex for richer detail.
Describe the desired image or edit (3-5,000 characters).
Provide up to 10 reference images for image-to-image modes. Leave empty for text-to-image.
Drag and drop up to 10 files or click to upload
PNG, JPG, JPEG, WEBP up to 20MB (max 10 files)
Choose the target aspect ratio.
Output resolution (pricing is unified for 1K and 2K).
Output
Generated content will appear here
Everything You Need to Know About
Flux-2 API
Comprehensive guide to understanding, implementing, and maximizing the potential of the Flux-2 API for your projects
What is the Flux-2 API?
The Flux-2 API is a powerful solution for developers. Flux 2 is Black Forest Labs' 2025 flagship text-to-image and image-to-image suite, released on 2025-11-25 with two paid variants: Pro for the most natural, balanced lighting and texture, and Flex for the highest-impact, high-contrast look. The model is known for unrivaled text rendering—handling multi-line slogans, punctuation, and case-sensitive typography with near print-ready accuracy. It natively generates up to 4 megapixels (1440p–4K) without upscaling and supports as many as 10 reference images to keep characters or products consistent across shots. The API on APIXO keeps unified 1K/2K pricing, offers async polling or webhooks, and typically returns in ~20–30 seconds. Prompt obedience is intentionally strict, so multi-clause instructions (removals, replacements, layout tweaks) are followed precisely, making Flux 2 ideal for production graphics where wording and layout must match the brief.
Flux-2 API Features & Capabilities
Discover what makes the Flux-2 API the perfect choice for your projects
Unmatched text rendering accuracy for slogans, packaging, and signage
Native 4MP renders (1440p–4K) with crisp detail and no external upscaling
Up to 10 reference images for character consistency and complex edits
Pro: realistic skin, fabric, and lighting; Flex: bold, high-saturation punch
Literal prompt adherence that respects multi-step edit instructions
Async API on APIXO with unified 1K/2K pricing and webhook support
Flux-2 API Use Cases
See how the Flux-2 API can transform your workflow
Ecommerce hero banners and ads with exact taglines rendered cleanly
Perfect for professional ecommerce hero banners and ads with exact taglines rendered cleanly workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Posters, OOH, and packaging mockups needing multi-line, punctuation-accurate text
Perfect for professional posters, ooh, and packaging mockups needing multi-line, punctuation-accurate text workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Brand or character consistency across scenes using up to 10 reference images
Perfect for professional brand or character consistency across scenes using up to 10 reference images workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Product or wardrobe replacements without reshoots, keeping lighting consistent
Perfect for professional product or wardrobe replacements without reshoots, keeping lighting consistent workflows that demand high-quality results, fast processing times, and reliable performance at scale.
High-impact social creatives—choose Pro for natural realism or Flex for a pop look
Perfect for professional high-impact social creatives—choose pro for natural realism or flex for a pop look workflows that demand high-quality results, fast processing times, and reliable performance at scale.
Flux-2 API Technical Specifications
Detailed technical information and API capabilities
Max Resolution
Up to
Processing Time
20-30s
Output Formats
What Developers Say About the Flux-2 API
Real feedback from developers using the Flux-2 API
“Incredible quality and speed. The Flux-2 API has transformed our content creation workflow.”
John Smith
Senior Developer
“The Flux-2 API is easy to integrate and consistently delivers high-quality results. Highly recommended!”
Maria Johnson
Product Manager
“The API documentation is clear and the model performance exceeds expectations.”
Alex Lee
Tech Lead
Important Considerations
Understanding the limitations helps you make informed decisions
Flex aesthetic can appear plastic or over-saturated ("Fluxy look")—use Pro for natural renders
Perfect symmetry (temples, earrings, mirrored facades) may still show minor artifacts
Prompt literalism can leave unintended elements unless explicitly removed in the request
Local/Dev weights are enormous (~68GB) and need 24GB+ VRAM; 12GB cards can take 5–15 minutes per image
Async workflow requires polling or webhook handling; typical jobs complete in ~20–30 seconds
Ready to Get Started with the Flux-2 API?
Join thousands of developers who are already using the Flux-2 API to create amazing applications. Start with our playground or dive straight into the Flux-2 API documentation.