Observability startups in San Francisco

Judgment Labs

San Francisco

Judgment Labs provides infrastructure for Agent Behavior Monitoring (ABM) to observe post-deployment autonomous-agent behavior at scale, serving hundreds of teams. It has raised over $30 million from notable investors and positioned as a le

SigNoz

San Francisco

SigNoz is an open-source observability platform that helps developers monitor applications and troubleshoot problems, offering an open-source alternative to DataDog and New Relic. It has a strong community (21k GitHub stars, 6k Slack member

Cekura

San Francisco

Cekura is a Y Combinator–backed startup redefining AI voice agent reliability through testing and monitoring. Founded by IIT Bombay alumni with ETH Zurich credentials and high-stakes trading experience, it guarantees dependable performance,

Raindrop

San Francisco

Raindrop provides monitoring and alerting for AI applications. Backed by Y Combinator, it counts investors including James Tamplin, Guillermo Rauch, Balaji Srinivasan, Matt MacInnis, and backers from OpenAI, Apple, Figma, Scale.

Middleware

San Francisco

Middleware is a fast-growing San Francisco-based startup backed by a tier-1 investor, delivering insights and visibility into complex systems for B2B software and services infrastructure. Led by founder-CEO Laduram Vishnoi, who previously b

Helicone

San Francisco

Helicone is an open-source observability platform for LLM applications, delivering monitoring, optimization, and reliability tools to productionize AI systems. With ~4,000 GitHub stars, a thriving community, 20% MoM growth, and SOC 2 and GD