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Flux vs Stable Diffusion: Pricing and Ratings Compared (2026)

Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Flux and Stable Diffusion side by side. This page compares data; it is not a hands-on review.

On the data: On the data below, Stable Diffusion leads on a free plan. We do not name an overall winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison 152 user reviews compared Pricing checked Nov 2, 2026

Short on time? Here's the quick answer

Based on published vendor pricing and features and on public review data, here's who should pick what:

Flux

Generate stunning, high-quality images from text prompts with advanced AI models.

Best for you if:

  • • You want to generate stunning, high-quality images from text prompts with advanced AI models

Stable Diffusion

Open-source AI image generation from text, runnable locally

Best for you if:

  • • You want a free tier before you commit
At a glance: Flux vs Stable Diffusion
At a Glance
Flux Flux
Stable Diffusion Stable Diffusion
Starts at
From $6.90/mo, billed monthly STARTER plan
Free plan
Category
AI Image Generation Graphic Design
AI Image Generation Graphic Design
Rating
2.4/5 Trustpilot 1.9 · G2 4.5 139 reviews 4.6/5 G2 4.3 · SourceForge 5.0 · Capterra 5.0 13 reviews
Free plan
No Yes
Watch out for
Credit-based system can lead to overages No clear bulk credit purchase discounts beyond per-image rates

Choose Flux or Stable Diffusion?

Flux

Choose Flux if

  • You want to generate stunning, high-quality images from text prompts with advanced AI models
Stable Diffusion

Choose Stable Diffusion if

  • You want a free tier before you commit
  • You want to run locally

In-Depth Analysis

Flux Flux

Generate stunning, high-quality images from text prompts with advanced AI models.

Fair value

Flux's pricing is on the higher side for image generation, especially the STARTER tier at $6.9 for only 500 credits.

Watch out

Credit-based system can lead to overages

Strengths

  • Pro: Unparalleled image quality and detail
  • Pro: Accurate adherence to text prompts
  • Pro: Revolutionizes creative workflows for artists and designers
  • Pro: Efficient for rapid prototyping and ideation
  • Pro: Supports a wide range of artistic styles and complex scenes

Weaknesses

  • Con: Commercial use for FLUX.1 [dev] requires contacting Black Forest Labs
  • Con: Specific pricing details for FLUX.1 [dev] are not explicitly stated on the pricing page

Key features

Text-to-image generation Prompt adherence High visual quality Style diversity Complex scene generation Aspect ratio variability

Stable Diffusion Stable Diffusion

Open-source AI image generation from text, runnable locally

Good value

The pricing for Stable Diffusion is quite fair and flexible, especially with the per-image billing for advanced models.

Watch out

No clear bulk credit purchase discounts beyond per-image rates

Strengths

  • Pro: Open source
  • Pro: Run locally
  • Pro: Highly customizable

Weaknesses

  • Con: Requires GPU
  • Con: Technical setup

Key features

AI image generation Open models API access Multiple products Fine-tuning Enterprise solutions

Plans and prices: Flux vs Stable Diffusion

Plans and prices of Flux and Stable Diffusion, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Flux
  • STARTER: $6.90/mo, billed monthly
  • PREMIUM: $9.90/mo, billed monthly
  • PRO: $27.90/mo, billed monthly
flux1ai.com/pricing read Nov 2, 2026
Stable Diffusion
  • Free: Free
  • Stable Image Ultra: Usage-based, one-time or minimum-commitment pricing
  • SD 3.5 Large: Usage-based, one-time or minimum-commitment pricing
  • SD Turbo: Usage-based, one-time or minimum-commitment pricing
stability.ai read Sep 29, 2026

Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Flux pricing and Stable Diffusion pricing.

Key Takeaways

Flux

  • Choose Flux if you want to generate stunning, high-quality images from text prompts with advanced AI models

Stable Diffusion

  • Has a free plan

What the data shows

On the data below, Stable Diffusion leads on a free plan. We do not name an overall winner for this pair.

  • User ratings rest on too few reviews to rank (2.4/5 from 139 reviews for Flux, 4.6/5 from 13 reviews for Stable Diffusion; we compare ratings only above 20 reviews on both sides).
  • Flux starts at $6.90/mo, billed monthly; Stable Diffusion has no public paid plan price on file.
  • Only Stable Diffusion has a free plan.

Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate

Frequently Asked Questions

How do Flux and Stable Diffusion compare in 2026?

On the data below, Stable Diffusion leads on a free plan. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (2.4/5 from 139 reviews for Flux, 4.6/5 from 13 reviews for Stable Diffusion; we compare ratings only above 20 reviews on both sides). Flux starts at $6.90/mo, billed monthly; Stable Diffusion has no public paid plan price on file. Only Stable Diffusion has a free plan.

What are Flux and Stable Diffusion used for?

Flux: Generate stunning, high-quality images from text prompts with advanced AI models. Stable Diffusion: Open-source AI image generation from text, runnable locally.

What does Flux cost vs Stable Diffusion?

Flux's cheapest paid plan is STARTER at $6.90/mo, billed monthly. Stable Diffusion has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.

What's the main difference between Flux and Stable Diffusion?

Flux's main strength: unparalleled image quality and detail. Stable Diffusion's main strength: open source.

Spotted an outdated price or a wrong fact? Suggest a correction: we check it against the vendor's own page. Work for one of these vendors? Claim your listing to update it yourself.

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