Galileo

Galileo (galileo.ai) is an enterprise-focused AI quality platform that targets the full lifecycle of LLM and agent development — pre-launch evaluation, production observability, and runtime guardrails — under one product surface. The platform is built around Luna, Galileo's family of small evaluator models specifically trained to score hallucinations, instruction adherence, context relevance, completeness, and chunk attribution in RAG systems with much lower latency and cost than calling a frontier LLM as judge. Galileo Evaluate lets engineers run scored evals across datasets and surface specific failure modes; Galileo Observe streams production traces with span-level scoring and slicing by tag, user, and version; Galileo Protect provides real-time guardrails that can block or rewrite unsafe responses; and Galileo Agentic Eval gives multi-step tracing and root-cause analysis for agent traces, including identifying which step in a tool-use chain produced the wrong answer. Customers include Twilio, JPMorgan Chase, HP, and other large enterprises that need a single vendor for evaluation, monitoring, and safety on regulated workloads. Pricing is not publicly listed; Galileo offers a developer-tier free trial, paid Pro subscriptions for production workloads, and Enterprise contracts with VPC deployment, custom Luna fine-tuning, and dedicated success management.