Prompt Studio

Model Comparison

One latest model per provider. Selection is unified across Generate and Evaluation.

GPT Image (Latest)Maintenance

OpenAI

OpenAI GPT Image via Cloudflare Workers AI. Strongest at legible typography, precise instruction following and clean commercial layouts.

Speed
Quality
Strengths
  • •Best-in-class text and typography rendering
  • •Very literal instruction following
  • •Consistent, production-ready framing
Limitations
  • •Slower than the Gemini route at higher quality
  • •More conservative with abstract or surreal directions
Recommended Use
  • •Posters and packaging
  • •UI and product mockups
  • •Anything containing words
Features
  • Reference images: up to 4
  • Negative prompt: yes
  • Progressive streaming: yes
  • Quality: low / medium / high
  • Sizes: 1024x1024 · 1536x1024 · 1024x1536
  • Aspects: 1:1 · 3:2 · 2:3

Gemini ImageMaintenance

Google

Google Gemini Image via Cloudflare Workers AI — fast image generation and editing.

Speed
Quality
Strengths
  • •Very fast generation and iteration
  • •Strong multi-reference image editing
  • •Natural photographic lighting
Limitations
  • •Provider-level safety may still apply for explicit content
  • •Subject to Cloudflare API availability
Recommended Use
  • •Photoreal scenes
  • •Reference-based edits
  • •Fast exploration
Features
  • Reference images: up to 6
  • Negative prompt: yes
  • Progressive streaming: yes
  • Quality: low / medium / high
  • Sizes: 512x512 · 1024x1024 · 1536x1024 · 1024x1536
  • Aspects: 1:1 · 16:9 · 9:16 · 4:3 · 3:2

FLUX.2 [klein] 9B

Cloudflare

FLUX.2 klein 9B via Cloudflare Workers AI — ultra-fast distilled text-to-image with multipart support. Free Tier friendly via env.AI.

Speed
Quality
Strengths
  • •Sub-second generation, fixed 4-step distilled
  • •Unified generation & editing, up to 4 reference images
  • •State-of-the-art quality at low cost
Limitations
  • •Fixed 4 steps — steps parameter not adjustable
  • •Max 1920x1920, reference images <512x512 recommended
Recommended Use
  • •Rapid prototyping
  • •Real-time previews
  • •Cost-effective generation
Features
  • Reference images: up to 4
  • Negative prompt: no
  • Progressive streaming: no
  • Quality: medium
  • Sizes: 1024x1024 · 1024x768 · 768x1024 · 1280x720 · 720x1280
  • Aspects: 1:1 · 2:3 · 3:4 · 4:5 · 9:16 · 3:2 · 4:3 · 16:9 · 21:9

Seedream 5 ProMaintenance

ByteDance

ByteDance Seedream 5 Pro via Cloudflare Workers AI — high-quality generation/editing with up to 10 reference images.

Speed
Quality
Strengths
  • •Highest prompt adherence, up to 10 reference images
  • •1K/2K and explicit pixel-size controls
  • •Unified text-to-image and editing
Limitations
  • •Third-party model via AI Gateway — requires billing/credits
  • •Larger sizes may cost more Neurons
Recommended Use
  • •High-precision product renders
  • •Multi-reference compositions
  • •Production-quality output
Features
  • Reference images: up to 10
  • Negative prompt: no
  • Progressive streaming: no
  • Quality: high
  • Sizes: 1024x1024 · 1536x864 · 864x1536 · 2048x2048
  • Aspects: 1:1 · 16:9 · 9:16 · 4:3