Galileo vs LangWatch

Pick two tools from the same category to compare side-by-side.

	Galileo LLM and agent evaluation and observability platform for testing, monitoring, and guardrailing GenAI apps.	LangWatch Open-source LLM observability, evaluation, and AI agent testing platform.
Category	observability	observability
Vendor type	commercial	hybrid
Pricing	freemium	freemium
Strengths	+ Combines evaluation, observability, and real-time guardrails in one platform + Free tier with unlimited users and custom evaluations + Flexible deployment including hosted, VPC, and on-premises + Built for high-volume production agent monitoring	+ Fully open-source with local and self-hosted options + Native OpenTelemetry support, framework and provider agnostic + Combines observability, evaluation, and prompt management + Agent simulation across scenarios, languages, and edge cases
Tradeoffs	− Closed-source and commercial, no self-hosted open-source option − Free plan limited to 5k traces per month − Advanced deployment and support gated behind Enterprise pricing	− Broad feature surface can add setup overhead − Managed cloud usage billed per event beyond included quotas
Used in stacks	0	0