Price check $0.009–$0.080 per image 7 published rates · pay as you go

Stable Diffusion Usage Pricing

Model Unit Rate
stable-image-ultra image $0.080
stable-diffusion-3-5-large image $0.065
stable-diffusion-3-5-large-turbo image $0.040
stable-diffusion-3-5-medium image $0.035
stable-diffusion-3-5-flash image $0.025
stable-image-core image $0.030
sdxl-1-0 image $0.009
  • API usage is based on credits. 1 credit = $0.01.
  • New accounts receive 25 free credits for initial testing.
  • SDXL 1.0 pricing starts at 0.9 credits per image and varies by steps.
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Quick Answer
Last verified:
High confidence

Stable Diffusion uses usage-based pricing from $0.009 to $0.080 per image as of August 2026. Usage cost depends on the selected model and generation volume.

  • 7 documented hidden costs beyond list price
  • Contracts auto-renew — often 30 to 90 days (and sometimes 180+ days for strategic contracts)
  • G2 rating: 4.6 out of 5 from 30 reviews (as of Aug 2026)
Last verified: | Sources: 2 pricing pages and reviews

How much does Stable Diffusion cost?

Stable Diffusion uses usage-based pricing from $0.009–$0.080 per image. The published rate card contains 7 per-generation prices; there is no monthly subscription price for this API tier.

Stable Diffusion Pricing Overview

Stable Diffusion uses usage-based pricing from $0.009–$0.080 per image across 7 published rates.

Stable Diffusion contracts auto-renew, and annual price increases of 5-8%.

There are at least 7 documented hidden costs beyond Stable Diffusion's list price, including implementation, training, and add-on fees.

This pricing was last verified in August 7, 2026 from 2 independent sources.

View Stable Diffusion API Pricing

Stability AI's official API is pay as you go: 1 credit costs $0.01, and the seven published image-generation rates run from 0.9 credits ($0.009) to 8 credits ($0.08) per image. New API accounts receive 25 one-time starter credits; this is not a recurring free API tier.

Self-hosting is separate from API pricing. Stability AI's Community License permits research, non-commercial use, and commercial use of covered Core Models for individuals and organizations with less than $1 million in annual revenue. Organizations at or above that threshold should review Enterprise License requirements with Stability AI.

How Stable Diffusion Pricing Compares

Compare Stable Diffusion pricing against top alternatives in AI Image Generators.

Midjourney $10-120/month Compare → Flux $0-0.055/image Compare → DALL-E 3 $0-20/month Compare →

Compare Stable Diffusion vs Alternatives

Before committing to Stable Diffusion, compare pricing with these 3 alternatives in the same category.

VSMidjourney
From $10/month

Superior quality without technical setup

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VSFlux
Free

Newer open-source with better quality

Full comparison
VSDALL-E 3
Free

Easiest use and text rendering

Full comparison

All Stable Diffusion alternatives & migration guides

What Companies Actually Pay for Stable Diffusion

Review scores
Trustpilot 3.8out of 5 (30)
G2 4.6out of 5 (30)
Third-party review aggregates, as of Aug 2026
Top pricing complaints
hallucinations and errorscoherent text generation where words, signs, and labels often appear garbledhuman anatomy, such as extra or missing fingers and faces looking slightly offridiculously confusing to figure out the best way to use the Stable Diffusion models

Stable Diffusion Year 1 Total Cost by Company Size

Real deployment costs including licenses, implementation, training, and admin — not just the sticker price.

API testing 25 one-time starter credits cover up to eight 3-credit Core images, with 1 credit left. Year 1 total

A new developer account testing Stable Image Core

100 Core images $3 Year 1 total
100 × 3 credits × $0.01
Total $3

An application generates 100 images with Stable Image Core

100 Ultra images $8 Year 1 total
100 × 8 credits × $0.01
Total $8

An application generates 100 images with Stable Image Ultra

Eligible self-hosting $0 Year 1 total

An individual or organization under the Community License revenue threshold runs a covered Core Model on its own infrastructure

Official Stability AI API pricing

How Stable Diffusion Pricing Compares

Software Starting Price Top Price
Stable Diffusion $0.009 $0.080 per image
Adobe Express AI Free $19.99/mo
Adobe Firefly Free $199.99/month
Bing Image Creator Free $19.99/month
Canva AI Free $20/month
Craiyon Free $70/month

Detailed pricing comparisons:

Browse all AI Image Generators pricing →

7 Stable Diffusion Hidden Costs Beyond the List Price

Beyond the listed price, Stable Diffusion has at least 7 documented hidden costs that can significantly increase total cost of ownership.

Watch for 7 hidden costs
  • API Usage & Compute Resources Stable Image Core $0.03 per image, Stable Diffusion 3.5 Large $0.065 per image, Stable Image Ultra $0.08 per image; Credits $0.01 each, 1,000-credit top-up $10; Creative Upscale 60 credits per image, Conservative Upscale 40 credits
    high 1 source
    industry "Compute Resources and API Usage: Stability AI, the creator of Stable Diffusion, charges per image generated through its API, with pricing dependent on the model, resolution, and inference steps"
  • Local Hardware & Electricity Used RTX 3060 12GB around $200–$250, new RTX 4090 approximately $1,600; Electricity roughly $0.001 to $0.01 per image
    medium 1 source
    industry "Beyond the initial hardware investment, electricity draws add a marginal monthly cost that scales with generation volume and GPU wattage"
  • Enterprise Licenses
    high 1 source
    industry "Enterprise Licenses: Organizations with annual revenues exceeding $1 million (or local currency equivalent) that use Stable Diffusion 3 (SD3) and newer models for commercial purposes require an Enterprise License, which is priced through Stability..."
  • Data Preparation & Management
    high 1 source
    industry "Annual maintenance can run 15-30% of infrastructure costs, and models can lose effectiveness over time due to "model drift," necessitating retraining"
  • Integration Complexity
    medium 1 source
    industry "Integration Complexity: Integrating AI image generators into existing workflows and systems can introduce unforeseen complexities and costs"
  • Ongoing Maintenance & Model Management 15-30% of infrastructure costs annually
    high 1 source
    industry "Annual maintenance can run 15-30% of infrastructure costs, and models can lose effectiveness over time due to "model drift," necessitating retraining"
  • Compliance & Security Overhead
    high 1 source
    industry "Compliance and Security Overhead: Implementing robust security controls around generative AI models adds substantial costs beyond licensing fees, including security assessments, vulnerability testing, and talent acquisition for ML engineers and ML..."
Tip

Ask your Stable Diffusion sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 3 independent sources
industry Trustpilot Consumer reviews G2 B2B reviews
Key claims include inline source attribution. Data verified against multiple independent sources. 8 source citations total.

Stable Diffusion Contract Terms

Stable Diffusion contracts auto-renew. Changes require often 30 to 90 days (and sometimes 180+ days for strategic contracts). These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice often 30 to 90 days (and sometimes 180+ days for strategic contracts)
Price Escalation 5-8%
Based on 1 verified source

Stable Diffusion Pricing FAQ

01 How much does the Stability AI API cost?

The API is usage-based. One credit costs $0.01, and current Generate rates range from 0.9 credits ($0.009) for an SDXL 1.0 image to 8 credits ($0.08) for a Stable Image Ultra image.

02 Does the Stability AI API have a free tier?

New accounts receive 25 one-time starter credits for initial testing. The official pricing page does not describe those credits as a recurring monthly free tier.

03 How much does Stable Image Core cost?

Stable Image Core costs 3 credits, or $0.03 per image at the published conversion of $0.01 per credit.

04 How much does Stable Diffusion 3.5 cost through the API?

Stable Diffusion 3.5 Flash costs $0.025 per image, Medium costs $0.035, Large Turbo costs $0.04, and Large costs $0.065 at the current published credit rates.

05 How much does Stable Image Ultra cost?

Stable Image Ultra costs 8 credits, or $0.08 per generated image.

06 Can I self-host Stable Diffusion for free?

Stability AI's Community License permits research, non-commercial use, and commercial use of covered Core Models for individuals and organizations with less than $1 million in annual revenue. Organizations at or above that threshold should review Enterprise License requirements with Stability AI.

07 Is self-hosting included in the API price?

No. The API credit schedule and the license for self-hosting covered models are separate. API usage is billed per generation; self-hosting has no API charge but requires your own compute and compliance with the applicable model license.

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