Openlayer
YC S21 ↗San Francisco, US · Founded 2021 · 19 employees · 9 known investors
Openlayer provides a platform for testing, monitoring, and managing AI models across the development and production lifecycle. The platform serves AI-driven teams ranging from startups to enterprises seeking reliable and trustworthy AI system deployment.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareAIOpsGenerative AIMachine LearningAIin /74372366/@openlayercoycombinator.com ↗
Founders & leadership· Y Combinator alumni (S21)
GB
Gabriel Bayomi KalejaiyeinFounder
VN
Vikas Nairin𝕏Founder
RR
Rishab Ramanathanin𝕏Founder
GR

Guillermo RauchFounder & CEO of Vercel
Investors · 9
Ground Up VenturesNew York · $500K – $1.5M
KPN VenturesAmsterdam · $1.1M – $5.5M
Mantis CapitalSanta Monica · $100K – $1M
Mindset VentureSan Francisco · $500K – $3M
NXTPBuenos Aires · $500K – $5M
PICUS CAPITALMunich · $100K – $300M
Wayfinder VenturesSan Francisco
Y CombinatorSan Francisco · $500K
Race CapitalreportedPalo Alto · $250K – $2M
In the news
- We’ve Raised Our Series A to Build the AI Reliability Platformopenlayer.com · 2025
- Openlayer - A Vercel-like workflow for AI evals that actually makes senseycombinator.com · 2024
