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Stability AI

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The company behind Stable Diffusion — open generative models for image, audio, video and 3D.

Free Plan Available Open Source API Available
4.4 Rating
700 reviews
15.2K+ visits
No preview available

About Stability AI

Maker of Stable Diffusion and other open generative-media models.
  • Image Generation Content & Media
  • Public API Developer & Automation
  • Team Workspaces Collaboration
  • Data-Retention Controls Security & Compliance

Key Features

Content & Media

  • Image Generation

    Creates original images from a text prompt.

  • Image Understanding

    Reads photos, screenshots, diagrams and handwriting and answers questions about them.

  • Audio Transcription

    Audio models

    Turns recorded speech into searchable, summarised text.

  • Video Generation

    Generates video clips from text or image prompts.

Developer & Automation

  • Public API

    Credit-based

    A documented API for building the same capability into your own product.

  • Custom Assistants

    Custom models

    Build and share a configured assistant with its own instructions and knowledge.

  • Task Automation

    Schedules recurring jobs or runs multi-step tasks without supervision.

  • Third-Party Integrations

    Large ecosystem

    Connects to other SaaS products through apps, connectors or an integration platform.

Collaboration

  • Team Workspaces

    Shared workspace with pooled seats, billing and admin management.

  • Export & Download

    Open weights

    Export chats, documents or data out of the product in an open format.

Stability AI Pricing

Prices are set by the vendor and may change.

API credits

Pay as you go usage

What's included

  • Credit-based per-generation pricing
  • No hardware required
  • Latest official models
  • Image, video and 3D endpoints
View pricing

Membership

Tiered /month

What's included

  • Commercial licence for business use
  • Included monthly credits
  • Access to the newest models
  • Support options
See plans

Enterprise

Custom

What's included

  • Self-hosted commercial licence
  • Custom model development
  • Volume terms
  • Dedicated support
Contact sales

What Users Say

4.4/5
Based on 700 reviews

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Real-World Use Cases

  • Generative media
  • Self-hosting
  • Research
  • Product integration
  • Custom models
  • Batch generation

What is Stability AI?

Stability AI is the company that released Stable Diffusion and, with it, made open generative media viable. Its catalogue now spans image, audio, video and 3D generation, most of it published as downloadable weights.

The commercial side is the Stability platform: a credit-based API and membership tiers that grant commercial licensing to organisations that would rather not manage the licence terms of each individual model release.

For developers, this is the vendor of choice when you need generative media inside your own product without per-image fees from a hosted-only competitor.

Benefits of Stability AI

What the company offers beyond the model:

  • Open weights across media types — image, audio, video, 3D.
  • A commercial API when self-hosting is not worth the effort.
  • Clear membership licensing for business use.
  • Custom model development for enterprise customers.
  • An enormous downstream ecosystem.
  • Self-hosting removes per-image cost entirely.

Who Should Use Stability AI?

Stability suits builders rather than end users.

  • Product teams embedding generation into an application.
  • Studios needing a model trained on their own IP.
  • Researchers working on generative media.
  • Enterprises requiring a clear commercial licence.
  • Anyone generating at volume where per-image pricing does not scale.

Pros & Cons

6Pros 4Cons

Pros

6
  • Open weights spanning image, audio, video and 3D generation.
  • Self-hosting removes per-generation cost entirely.
  • Commercial API available when hardware is not worth managing.
  • Membership tiers give clear commercial licensing.
  • Custom model development offered to enterprise customers.
  • The downstream ecosystem is the largest in open generative media.

Cons

4
  • Licensing differs by model release and needs checking each time.
  • Requires technical skill — not an end-user product.
  • Image quality trails Midjourney without community fine-tunes.
  • The company has had a turbulent commercial history.

What's New

  1. 3D generation endpoints

    Feature

    Mesh generation added to the commercial API.

  2. Membership restructure

    Pricing

    Revised commercial tiers with clearer included credits.

  3. Audio model release

    News

    Open-weight audio generation models published.

  4. API performance improvements

    Feature

    Faster inference and higher concurrency limits.

Frequently Asked Questions

What is the difference between Stability AI and Stable Diffusion?

Stability AI is the company; Stable Diffusion is its best-known image model. Stability also publishes audio, video and 3D generation models.

Are Stability models free?

Weights are free to download. Free use covers non-commercial and small-business activity; larger organisations need a membership or enterprise licence. Check the licence for each model.

Do I need my own hardware?

Not necessarily. The Stability API offers credit-based hosted generation. Self-hosting is the option that eliminates per-image cost, and it needs a capable GPU.

Can Stability train a model on our own data?

Yes, custom model development is offered to enterprise customers — commonly used by studios wanting generation in their own house style.

What media types are covered?

Image, video, audio and 3D generation, plus upscaling and editing endpoints on the API.

How does membership licensing work?

A tiered subscription that grants commercial rights across the model catalogue and includes a monthly credit allowance, rather than tracking each model licence individually.

Tool Information

  • Category AI Models & Platforms
  • PricingOpen Source
  • Free PlanYes
  • API AvailableYes
  • Mobile AppNo
  • Language SupportEnglish
  • Starting Price$0
  • DeveloperStability AI
  • Founded2019
  • Websitestability.ai
  • StatusActive
  • Last UpdatedAug 15, 2026
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Best For

Generative mediaSelf-hostingResearchProduct integrationCustom modelsBatch generation

Platforms

Web Windows macOS Linux API

Languages

English

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