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Stable Diffusion 3.5 vs FLUX.1

Side-by-side comparison of pricing, features, and capabilities — 2026.

Tool A
Stable Diffusion 3.5
Stable Diffusion 3.5
Freemium

Stability AI open-source image generation model

Try Stable Diffusion 3.5
VS
Tool B
FLUX.1
FLUX.1
Freemium

FLUX.1 by Black Forest Labs is the latest breakthrough in open-source AI image generation — producing stunning photorealistic images, accurate text rendering, and exceptional prompt adherence that rivals or surpasses Midjourney.

Try FLUX.1

Feature Comparison

FeatureStable Diffusion 3.5FLUX.1
Pricing
Freemium
Freemium
Free Plan
Verified
Featured
Categories
Image Generation, Art Generation
Art Generation, Image Generation, Design, Text to Image, Free, Developer Tools, Generative Art

Key Features Comparison

FeatureStable Diffusion 3.5FLUX.1
Multi-modal diffusion transformer
Improved text rendering
Open weights for self-hosting
Fine-tuning capability
High resolution output
API access
State-of-the-art image quality matching or exceeding Midjourney v6
Exceptional text rendering within generated images
Accurate human anatomy including hands and fingers
Three model tiers: pro (API), dev (open non-commercial), schnell (Apache 2.0)
Flexible resolution and aspect ratio support
Novel hybrid diffusion transformer architecture
Available via Replicate, ComfyUI, fal.ai, and Black Forest Labs API
FLUX.1 schnell: fast 1-4 step generation
Superior prompt adherence compared to previous open-source models
Created by original Stable Diffusion team

Use Cases Comparison

Use CaseStable Diffusion 3.5FLUX.1
Open-source AI art generation
Building custom image apps
Fine-tuning for specific styles
Research and experimentation
Generating the highest quality open-source images for professional work
Creating images with accurate text rendering for design and marketing
Photorealistic portrait and people generation
Building production image pipelines with open-weight models
Integration into creative tools via Replicate and ComfyUI
Non-commercial art projects with the open dev model
Fast iteration with the schnell model for commercial applications
Research into next-generation image generation architectures

Similar In These Categories

Image Generation Art Generation

Stable Diffusion 3.5 vs FLUX.1: Which Should You Choose?

Stable Diffusion 3.5 is a freemium tool (verified by our team). Stability AI open-source image generation model

FLUX.1 is a freemium tool (verified by our team). FLUX.1 by Black Forest Labs is the latest breakthrough in open-source AI image generation — producing stunning photorealistic images, accurate text rendering, and exceptional prompt adherence that rivals or surpasses Midjourney.

The right choice depends on your budget and specific needs. Both are listed in Nextool.ai's curated directory. See all Stable Diffusion 3.5 alternatives or See all FLUX.1 alternatives.

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