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Stability AI

Stability AI is the company behind Stable Diffusion, one of the most widely adopted open-source image generation models in AI history. Their ecosystem spans text-to-image, video, audio, and 3D generation models, championing an open-weight approach that has catalyzed an entire ecosystem of fine-tuned models, community tools, and commercial applications across creative industries.

Creative AI
Image Generation
Emad Mostaque· Founder
Total Raised
$111M
Last Valuation
$1.0B
Founded
2020
Headquarters
London, UK
Employees
150+

Overview

Stability AI is the company behind Stable Diffusion, one of the most influential open-source AI models ever released. Stable Diffusion democratized AI image generation by making a powerful text-to-image model freely available to anyone, sparking an explosion of creative AI applications and tools. The company has expanded beyond image generation into video (Stable Video Diffusion), audio (Stable Audio), 3D (Stable 3D), and language models. Despite leadership changes and financial challenges — founder Emad Mostaque stepped down as CEO in 2024 — Stability AI remains one of the most important companies in the open-source AI ecosystem. The company generates revenue through its API, enterprise products, and premium model access while maintaining its commitment to open-source releases.

Funding History

2 rounds · Jan 2020 – Oct 2023
$111M
Total Raised
2
Valuation: $1.0B
Cumulative: $111M

Stable Diffusion maker raises at unicorn valuation.

Lightspeed Venture Partners (Lead)Coatue Management
Source
1
Valuation: $50M
Cumulative: $10M

Stability AI raises initial funding to research open-source generative AI models.

Investors not disclosed

Frequently Asked Questions

How much has Stability AI raised in total?
Stability AI has raised a total of $111M across 2 funding rounds.
Who are Stability AI's investors?
Stability AI's investors include Lightspeed Venture Partners, Coatue Management, Undisclosed.
What does Stability AI do?
Stability AI is the company behind Stable Diffusion, one of the most influential open-source AI models ever released. Stable Diffusion democratized AI image generation by making a powerful text-to-image model freely available to anyone, sparking an explosion of creative AI applications and tools. The company has expanded beyond image generation into video (Stable Video Diffusion), audio (Stable Audio), 3D (Stable 3D), and language models. Despite leadership changes and financial challenges — founder Emad Mostaque stepped down as CEO in 2024 — Stability AI remains one of the most important companies in the open-source AI ecosystem. The company generates revenue through its API, enterprise products, and premium model access while maintaining its commitment to open-source releases.
When was Stability AI founded?
Stability AI was founded in 2020 and is headquartered in London, UK.
Where is Stability AI headquartered?
Stability AI is headquartered in London, UK.