Humanloop
LLM evaluation platform for enterprises building reliable AI products.
Updated April 2026
Overview
- Website
- humanloop.com
- Segment
- LLM Observability & Tracing
Product overview
Humanloop provides an enterprise-grade platform for prompt management, LLM evaluation, observability, and agent orchestration, enabling teams to develop, test, and monitor AI applications collaboratively via UI or code. Used by companies like Gusto, Vanta, Duolingo, and Filevine to ship trustworthy LLM-powered products with evals-driven development. Acquired by Anthropic in 2025, with platform sunsetting September 8, 2025; distinct for integrating evaluation workflows with production monitoring and human-in-the-loop feedback.
Revenue model
Freemium: free tier (2 members, 50 eval runs, 10K logs/month); custom enterprise subscriptions (monthly/annual billing, volume discounts, SSO/SAML, VPC, SLAs); startup program; users provide own LLM API keys. Platform sunsetting post-Anthropic acquisition.
Moat
- Proprietary Technology
- Talent
- First Mover
- Brand
Humanloop's key competitive moat was its pioneering platform for prompt management, LLM evaluation, observability, and safety features, enabling enterprises like Dixa, Duolingo, and Gusto to rapidly develop reliable AI applications with high performance and compliance.