neptune.ai Email Format
Software DevelopmentCalifornia, United States51-200 Employees
Neptune.ai is a mid-sized software development company that provides an experiment-tracking platform for AI model training. The product enables monitoring of thousands of per-layer metrics—such as losses, gradients, and activations—across training runs with real-time visualization to help diagnose issues and stabilize the process. Headquartered in Palo Alto, California, the firm operates within the software development industry, focusing on tools that support AI experimentation and training workflows. The platform is designed to give researchers and engineers visibility into training dynamics, allowing quick drill-down into logs to reduce wasted GPU cycles and improve scalability for large models. In December 2025, media coverage indicated that OpenAI planned to acquire Neptune Labs, signaling a potential deeper integration with OpenAI's infrastructure.