OpenAI Acquires Statsig, Vijaye Raji Appointed CTO of Applications

OpenAI's Strategic Acquisition

• 💡 OpenAI has acquired Statsig, an experimentation platform, on September 2nd, 2025.
• 🎯 This move signals a fundamental shift in how OpenAI plans to build and evolve its products, moving towards a more data-driven philosophy.

New Leadership for Applications

• 🔑 Vijaye Raji, Statsig's founder, has been appointed as OpenAI's new CTO of Applications.
• 🧠 Raji brings a decade of consumer engineering leadership from Meta and a product-first approach to giants like ChatGPT and Codex.

Statsig's Experimentation Power

• 🔬 Statsig is a powerful platform for experimentation, enabling companies to test new ideas and measure their impact with real data.
• ✅ Its core function is A/B testing, allowing for the comparison of different product versions to determine which performs better based on user actions.
• 🚀 This process involves building, testing on small groups to minimize risk, measuring everything, and then shipping the best version based on hard proof.

Accelerating AI Product Development

• ⚡ OpenAI was already a Statsig customer, using the tool to ship and learn quickly, and this acquisition will put their development cycle into hyperdrive.
• 📈 The goal is to transform world-class AI research into safe, faster, and more practical applications that constantly improve with user feedback.
• 📊 This new philosophy emphasizes constant, rapid experiments driven by data, leading to products that evolve in real-time.

Future Implications

• 🤝 The entire Statsig team will join OpenAI, though Statsig will initially continue to operate independently for its existing customers.
• 🌱 This acquisition is expected to accelerate the pace of AI development, allowing AI companies to test, prove, and ship game-changing ideas almost instantly.