FLUX 1.1 [pro] Ultra

Ultra-resolution variant of FLUX 1.1 [pro] with 4MP+ outputs and richer detail. Drop-in upgrade when the standard FLUX 1.1 [pro] resolution is the bottleneck.

By Black Forest Labs

Pricing: $0.06 per image

Examples

• a serene japanese garden with cherry blossoms at dawn

Related models

• FLUX 1.1 [pro], Black Forest Labs' production-grade FLUX 1.1. State-of-the-art prompt adherence and photoreal quality at competitive per-image pricing.
• SDXL-Lightning (Cloudflare), ByteDance's lightning-fast SDXL distillation on Cloudflare Workers AI. 4-step text-to-image at near-real-time latency.
• GPT Image 2, GPT Image 2.0, OpenAI's latest image model, is capable of creating extremely detailed images with fine typography.
• FLUX.2 [klein] 9B, Text-to-image generation with FLUX.2 [klein] 9B from Black Forest Labs. Enhanced realism, crisper text generation, and native editing capabilities.

Discoverable surfaces

• Dispatch endpoint: POST https://api.runflow.io/v1/models/flux-1-1-pro-ultra/runs
• Per-model spec (markdown): https://app.runflow.io/models/flux-1-1-pro-ultra/llms.txt
• Docs page: https://docs.runflow.io/models/flux-1-1-pro-ultra
• Public OpenAPI spec: https://docs.runflow.io/api/openapi.public.json
• Agent skill (start here): https://www.runflow.io/.well-known/agent-skills/runflow/SKILL.md