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Companies, labs and communities building AI.
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| Black Forest Labs Black Forest Labs is a German AI lab based in Freiburg im Breisgau, founded in 2024 by Robin Rombach, Andreas Blattmann and Patrick Esser. It develops the FLUX image models and raised a $300 million Series B in December 2025. | 2024 |
| GitHub GitHub is a code hosting and collaboration platform used by more than 225 million developers, acquired by Microsoft in 2018 and the birthplace of the GitHub Copilot coding assistant. | |
| Midjourney Midjourney is a San Francisco-based independent research lab that runs an image generator. Founded and led by David Holz, it has never taken outside funding and has been involved in several copyright lawsuits. | 2022 |
| PixVerse (Aishi Technology) PixVerse, founded in 2023 as Aishi Technology, is an AI video generation company whose in-house models power a web app, an API and agent tools; a March 2026 Series C made it a unicorn. | 2023 |
| Poolside Poolside is an AI company building models for software work; in April 2026 it released the Laguna M.1 and Laguna XS.2 models and pool, the agent runtime behind its reinforcement learning. | |
| Runway Runway is a New York-based AI video company founded in 2018. It co-released Stable Diffusion in 2022, has built a series of video models from Gen-1 to Gen-4.5, and in February 2026 raised $315 million at a $5.3 billion valuation. | 2018 |
| Shengshu Technology Chinese generative-AI company founded in March 2023 that built the Vidu video model and now describes two lines of work: world generation models and world action models. | 2023 |
| Stability AI Stability AI is a British generative-AI company founded in 2019 in London. It is known for releasing the open-weight Stable Diffusion image model in 2022, and it has since faced copyright lawsuits over training data. | 2019 |