Stability AI
Open-model AI company behind Stable Diffusion, offering a credit-based developer API and a Brand Studio SaaS for enterprise creative teams.
Last verified:
Stability AI, the London-based creator of Stable Diffusion, offers generative image, video, audio, and 3D models through a credit-based REST API (platform.stability.ai) and a subscription "Brand Studio" product aimed at marketing teams. Founded in 2019 by Emad Mostaque, the company is now led by CEO Prem Akkaraju and backed by investors including Coatue and Lightspeed Venture Partners, with board members Sean Parker and James Cameron. It remains one of the largest publishers of openly licensed model weights (Stable Diffusion, SD3.5, Stable Audio) alongside its commercial API and enterprise offerings.
Pricing
| Tier | Price | Key features |
|---|---|---|
| API Free Credits | $0/usage | 1 credit = $0.01, Access to all image, video, audio, and 3D models pay-as-you-go |
| Developer API (pay-as-you-go) | Custom | Stable Image Ultra: 8 credits/image (~$0.08), Stable Image Core: 3 credits/image; SDXL from 0.9 credits, SD3.5 Large: 6.5 credits, Large Turbo: 4, Medium: 3.5, Flash: 2.5, Editing tools (inpaint, erase, remove background): ~5 credits; upscalers 2-60 credits, Stable Audio 2.5/3.0: 20-26 credits; Stable Fast 3D: 10 credits |
| Brand Studio Core | $50/monthly | Curated model routing across Stability's image models, End-to-end generation and editing workflows, Inpainting / product-insertion precision tools, Support chat; additional credits purchasable |
| Brand Studio Enterprise | Custom | Brand Central customization, Brand ID Models, Campaigns, Producer Mode, Unlimited seats, SSO and project access controls, White-glove support |
Source: https://platform.stability.ai/pricing
Agent-readiness
- Discoverability
- 65/100
- Machine-readable content
- 55/100
- Programmatic access
- 85/100
- MCP / agent support
- 0/100
- Self-serve transactability
- 85/100
- Transparency
- 75/100
Security & compliance
- SSO / SAML
- Yes
- Encryption at rest
- Not publicly documented
- Encryption in transit
- Yes
- Audit log
- Not publicly documented
- Pentest report
- Not publicly documented
"Not publicly documented" means Crail found no public evidence either way — not a confirmed absence. See our methodology. Trust center: https://trust.stability.ai.
FAQ
Does Stability AI have a free tier?
Yes, Stability AI offers a free tier or free trial.
Can you buy Stability AI without talking to sales?
Yes, Stability AI can be purchased self-serve without a sales call.
Does Stability AI have an official MCP (Model Context Protocol) server?
Not as of 2026-07-27 — no official MCP server was found.
Reviews
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Methodology & disclosure
Data verified via agent crawled, last checked 2026-07-27. Agent-readiness methodology version crail-ar-v0.1. No vendor payment influences these scores — see our methodology page.