FLUX.1 [dev] with Controlnets and Loras Text to Image

fal-ai/flux-general
A versatile endpoint for the FLUX.1 [dev] model that supports multiple AI extensions including LoRA, ControlNet conditioning, and IP-Adapter integration, enabling comprehensive control over image generation through various guidance methods.
Inference
Commercial use
Schema

Input

Additional Settings

Customize your input with more control.

Result

Idle

Waiting for your input...

What would you like to do next?

Your request will cost $0.075 per megapixel.

Images are billed by rounding up to the nearest megapixel.

Logs

FLUX.1 [dev] with Controlnets and LoRAs | [text-to-image]

Black Forest Labs' FLUX.1 [dev] delivers enterprise-grade image generation with comprehensive control extensions at $0.075 per megapixel. Trading simplicity for precision control, this endpoint combines LoRA, ControlNet, IP-Adapter, and reference-only guidance in a single unified API. Built for production workflows requiring fine-grained creative direction without managing multiple model endpoints.

Use Cases: Product visualization with brand consistency | Character generation with pose control | Style transfer with reference image guidance


Performance

At $0.075 per megapixel with images billed by rounding up to the nearest megapixel, FLUX.1 [dev] (with extensions)e provides granular control over generation costs while maintaining the quality standards of the base model.

MetricResultContext
Inference Steps28 (default)Configurable 1-50 range for speed/quality tradeoff
Guidance Scale3.5 CFGClassical CFG available when using XLabs IP-Adapter v1
Cost per Megapixel$0.07513 generations per $1.00 on fal
Batch Generation1-10 imagesSingle API call for multiple variations
Related EndpointsFLUX.1 [dev], FLUX.1 [dev] with LoRAsSimplified variants for standard generation workflows

Unified Control Architecture for Production Workflows

FLUX.1 [dev] with extensions consolidates multiple AI guidance methods into a single inference endpoint, eliminating the complexity of chaining separate models. Unlike standard text-to-image APIs that require external preprocessing or multi-step workflows, this implementation natively supports LoRA merging, ControlNet conditioning, IP-Adapter integration, and reference-only guidance through unified parameters.

What this means for you:

  • Multi-LoRA composition: Merge unlimited LoRAs with individual weight control in a single generation pass, no manual model merging or separate inference calls required

  • Parallel conditioning methods: Apply ControlNet structure guidance, IP-Adapter style transfer, and reference image influence simultaneously with independent strength parameters

  • Flexible image filling: Use masked input images with fill_image parameter to regenerate specific regions while preserving surrounding context

  • Reference-only guidance: Control generation strength (0.65 default), start timing (0-100% of steps), and end timing with reference_image_url for semantic consistency across image sets


Technical Specifications

SpecDetails
ArchitectureFLUX.1 [dev]
Input FormatsText prompts, reference images (URL), masked fill images, ControlNet conditioning images, IP-Adapter style references
Output FormatsJPEG images with configurable size presets
Control ExtensionsLoRA (unlimited), Control LoRA, ControlNet, ControlNet Union, IP-Adapter, EasyControl, Reference-only guidance
LicenseCommercial use permitted

API Documentation | Quickstart Guide | Enterprise Pricing


How It Stacks Up

FLUX.1 [dev] ($0.055/megapixel) – FLUX.1 [dev] with extensions adds comprehensive control layers at $0.075/megapixel (1.4x cost, $0.075 vs $0.055), trading streamlined simplicity for multi-method guidance control. The base FLUX.1 [dev] endpoint remains ideal for straightforward text-to-image generation where prompt-only control suffices.

FLUX.1 [dev] with LoRAs ($0.055/megapixel) – FLUX.1 [dev] with extensions provides ControlNet, IP-Adapter, and reference guidance capabilities beyond LoRA-only control at $0.075/megapixel (1.4x cost, $0.075 vs $0.055). The LoRA-focused variant prioritizes style adaptation workflows without spatial conditioning complexity.

AuraFlow (pricing varies) – FLUX.1 [dev] with extensions prioritizes production-grade control precision through Black Forest Labs' architecture. AuraFlow offers an alternative open-source approach for teams requiring full model customization and on-premise deployment flexibility.