Poolside AI
Category: AI Developer Tools
Poolside builds foundational AI models for automated code creation, testing, and project scaffolding, led by former GitHub CTO Poolside AI was founded in 2023. The company is led by Jason Warner. Based in Headquartered in the US with a significant presence in Paris, France. Team size: 62. Total funding raised: $2B+ raising ($12B valuation, Nvidia $1B commitment, Oct 2025). Latest round: Series B, $500.0M, 2024-10, led by Bain Capital Ventures. Key investors include ["Nvidia", "Bain Capital Ventures", "DST Global", "StepStone Group", "Citi Ventures", "HSBC Ventures", "CoreWeave"].
- Founded
- 2023
- Headquarters
- Headquartered in the US with a significant presence in Paris, France
- Team size
- 62
- Total funding
- $2B+ raising ($12B valuation, Nvidia $1B commitment, Oct 2025)
Value proposition
Offers a customizable AI model that adapts to a company’s specific coding practices and libraries while ensuring data privacy by operating on-premises
Products and solutions
AI coding assistant
Unique value
Customized foundation model built specifically for software code, tailored to company-specific coding practices
Target customer
Large enterprises, particularly in highly regulated industries such as finance, defense, and retail
Industries served
Finance, Defense, Retail, Other enterprise sectors
Technology advantage
Ability to run AI models on-premises without requiring data to leave the customer’s environment, enhancing privacy and regulatory compliance
How they differentiate
Focus on high customization and data privacy by allowing companies to adapt the AI to their specific coding practices without exposing their data
Main competitors
GitHub Copilot
Key partnerships
No publicly announced key partnerships
Notable customers
Large enterprises including major banks and defense sector companies currently testing the technology
Major milestones
Achieved a post-money valuation of $3 billion following the Series B round Raised $626 million total Strengthened its European profile with a significant HQ presence in Paris
Growth metrics
Detailed growth metrics not publicly disclosed
Market positioning
Positioned as a solution for large enterprises in regulated industries
Geographic focus
Europe and North America
Patents and IP
None publicly reported
About Jason Warner
Jason Warner is a seasoned technology executive with extensive experience leading engineering and product teams at major software companies. Before co-founding Poolside AI, he was the Managing Director at Redpoint Ventures. His most notable prior role was as the Chief Technology Officer (CTO) of GitHub, where he played a crucial part in the development and launch of products like GitHub Actions, Packages, and Codespaces. His career also includes senior engineering leadership positions at Heroku and Canonical (the company behind Ubuntu), giving him a deep background in software development, open-source technologies, and large-scale platform engineering.
Official website: https://poolside.ai/