Stability AI
Category: Foundation Models / LLMs
An open-source generative AI company that develops foundation models for image, language, audio, and video generation. Stability AI was founded in 2019. The company is led by Prem Akkaraju. Based in London, UK. Team size: Approximately 170-180. Total funding raised: $231M total ($80M in June 2024, plus WPP strategic investment in March 2025). Latest round: Private Investment Round (June 2024). Key investors include Greycroft, Coatue Management, Sound Ventures, Lightspeed Venture Partners, Sean Parker, Eric Schmidt, WPP.
- Founded
- 2019
- Headquarters
- London, UK
- Team size
- Approximately 170-180
- Total funding
- $231M total ($80M in June 2024, plus WPP strategic investment in March 2025)
Value proposition
Democratizing access to powerful generative AI models through an open-source, community-driven approach.
Products and solutions
Stable Diffusion (including SDXL and SD3), Stable LM (Language Models), Stable Audio, Stable Video Diffusion, StableCode, DreamStudio (API and web application)
Unique value
Pioneered the release of high-quality, open-source generative models, particularly in image diffusion, fostering a large community of developers and enabling widespread customization.
Target customer
Developers, enterprises, creative professionals, and researchers.
Industries served
Media & Entertainment, Advertising & Design, Gaming, Software Development, Research & Education
Technology advantage
Its open-source core allows for rapid adoption, transparency, and innovation from a global community, contrasting with the closed, proprietary models of competitors.
How they differentiate
Differentiates by offering open-source, transparent, and customizable models, whereas competitors like OpenAI and Midjourney provide closed, proprietary systems. Adobe competes by deeply integrating its models into its existing creative software suite.
Main competitors
OpenAI, Midjourney, Adobe (Firefly), Google, Anthropic
Key partnerships
AWS (integration on Amazon Bedrock), Hugging Face (model distribution), Intel, HubSpot, Jasper, WPP (strategic partnership and investment), Electronic Arts (game developer tools), UMG/Universal Music Group (music creation tools)
Notable customers
HubSpot, Tome, Jasper, Supermicro, Fotor
Major milestones
August 2022: Release of Stable Diffusion, driving mainstream adoption., October 2022: Raised $101M in a seed round at a $1B valuation., March 2024: Founder Emad Mostaque resigns as CEO., June 2024: Appointed Prem Akkaraju as new CEO and secured a new round of investment from a consortium including Sean Parker., September 2024: Filmmaker James Cameron joins the Board of Directors., March 2025: Strategic partnership and investment from WPP., April 2025: Launched Brand Studio, creative production platform., May 2025: Released Stable Audio 3.0.
Growth metrics
Hundreds of millions of model downloads worldwide; over 150,000 developers building on its platform.
Market positioning
Positions itself as the leading open-source alternative to 'Big Tech' in the generative AI space, appealing to users who prioritize control, transparency, and customizability.
Geographic focus
Global, with strong developer communities in North America and Europe, and growing adoption in Asia-Pacific.
Patents and IP
No major patents reported; the company's strategy is centered on open-sourcing its core models under permissive licenses.
About Prem Akkaraju
Prem Akkaraju has a background in technology and entertainment, having served as CEO of Weta Digital and co-founder of SR Labs. His experience spans over two decades in executive leadership roles.
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Official website: https://stability.ai