Flux 1.1 Pro

Freemium

Open-source AI image generation model with fast, high-quality synthesis

★★★★½ 4.4 / 5 Visit Flux →
ToolChase Score: 4.4/5Last verified: April 2026

What is Flux 1.1 Pro?

Flux 1.1 Pro is an advanced AI image generation model developed by Black Forest Labs. Built on a scalable transformer architecture, Flux delivers high-quality images with excellent prompt adherence, fine detail, and diverse output styles. The model is available in multiple variants — Flux Pro for commercial use via API, Flux Dev for non-commercial development, and Flux Schnell for ultra-fast generation. It competes directly with models like Midjourney, DALL-E 3, and Stable Diffusion.

Flux Pricing

Flux Schnell is free and open-source. Flux Pro is available through API partners like Replicate and fal.ai with per-image pricing.

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Key Features

  • High-quality image generation from text prompts
  • Excellent prompt adherence and detail
  • Multiple model variants (Pro, Dev, Schnell)
  • Fast generation with Schnell variant
  • Open-source Schnell model
  • API access through partners

Pros & Cons

Pros

  • Best-in-class image quality
  • Strong prompt following
  • Open-source option available
  • Very fast with Schnell variant

Cons

  • No native UI — API only for Pro
  • Requires third-party platforms to use easily
  • Pro model is not open-source

Best For

Developers, AI artists, and teams needing high-quality image generation through API or open-source models

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