Helicone (YC W23) Email Format
Software DevelopmentCalifornia, United States2-10 Employees
Helicone is a software development company based in San Francisco, California, with a small team of 2-10 employees. It offers an open-source observability platform for AI applications, providing logging, monitoring, and debugging capabilities and positioned as an alternative to LangSmith. The platform emphasizes simple integration, achievable via a one-line change to the base URL to access metrics, prompt management, and related features. The company utilizes a tech stack including Vercel Analytics, Apache Kafka, ClickHouse, Cloudflare CDN, and UI libraries such as Lucide and shadcn/ui. In its recent history, Helicone was acquired by Mintlify, Inc. on March 3, 2026.