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FLUX.1 ProvsFlux 1.1 Pro

Black Forest Labs vs Black Forest Labs — Side-by-side model comparison

Flux 1.1 Pro leads 1/5 categories

Head-to-Head Comparison

MetricFLUX.1 ProFlux 1.1 Pro
Provider
Black Forest Labs
Arena Rank
Context Window
N/A (image)
Input Pricing
API-based/1M tokens
$0.04/img/1M tokens
Output Pricing
API-based/1M tokens
Parameters
12B
12B
Open Source
No
No
Best For
Professional image generation, design, marketing
Image generation, design
Release Date
Aug 1, 2024
Oct 2, 2024

FLUX.1 Pro

FLUX.1 Pro is Black Forest Labs' premium image generation model, created by the original team behind Stable Diffusion. At 12 billion parameters, it produces exceptional image quality with industry-leading prompt adherence, text rendering, and photorealism. FLUX quickly became a serious competitor to Midjourney and DALL-E 3 in the professional image generation space.

View Black Forest Labs profile →

Flux 1.1 Pro

Flux 1.1 Pro is the flagship image generation model from Black Forest Labs, founded by the original team behind Stable Diffusion. It produces high-quality images with excellent prompt adherence and fast generation times. The model competes directly with Midjourney and DALL-E 3 on image quality while offering more flexible API-based access. Black Forest Labs' deep expertise in diffusion models, gained through years of pioneering work on Stable Diffusion, gives Flux a strong technical foundation and rapid iteration cycle.

Key Differences: FLUX.1 Pro vs Flux 1.1 Pro

1

FLUX.1 Pro has 12B parameters vs Flux 1.1 Pro's 12B, which affects inference speed and capability.

F

When to use FLUX.1 Pro

  • +Your use case involves professional image generation, design, marketing
View full FLUX.1 Pro specs →
F

When to use Flux 1.1 Pro

  • +Your use case involves image generation, design
View full Flux 1.1 Pro specs →

The Verdict

Flux 1.1 Pro wins our head-to-head comparison with 1 out of 5 category wins. It's the stronger choice for image generation, design, though FLUX.1 Pro holds an edge in professional image generation, design, marketing.

Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages

Frequently Asked Questions

Which is better, FLUX.1 Pro or Flux 1.1 Pro?
In our head-to-head comparison, Flux 1.1 Pro leads in 1 out of 5 categories (arena rank, context window, input pricing, output pricing, and parameters). Flux 1.1 Pro excels at image generation, design, while FLUX.1 Pro is better suited for professional image generation, design, marketing. The best choice depends on your specific requirements, budget, and use case.
How does FLUX.1 Pro pricing compare to Flux 1.1 Pro?
FLUX.1 Pro charges API-based per 1M input tokens and API-based per 1M output tokens. Flux 1.1 Pro charges $0.04/img per 1M input tokens and an undisclosed amount per 1M output tokens. For high-volume production workloads, the pricing difference can significantly impact total cost of ownership.
What is the context window difference between FLUX.1 Pro and Flux 1.1 Pro?
FLUX.1 Pro supports a N/A (image) token context window, while Flux 1.1 Pro supports an undisclosed tokens. Context window size matters most for tasks involving long documents, large codebases, or extended conversations.
Can I use FLUX.1 Pro or Flux 1.1 Pro for free?
FLUX.1 Pro is a paid API model starting at API-based per 1M input tokens. Flux 1.1 Pro is a paid API model starting at $0.04/img per 1M input tokens.
Which model has better benchmarks, FLUX.1 Pro or Flux 1.1 Pro?
FLUX.1 Pro's arena rank is not yet available, while Flux 1.1 Pro's rank is not yet available. Note that benchmarks don't capture every use case — we recommend testing both models on your specific tasks.
Is FLUX.1 Pro or Flux 1.1 Pro better for coding?
FLUX.1 Pro's primary strength is professional image generation, design, marketing. Flux 1.1 Pro's primary strength is image generation, design. For coding specifically, arena rank and code-specific benchmarks are the best indicators of performance.