Galileo vs Weights & Biases Weave

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.	Weights & Biases Weave LLM tracing and evaluation toolkit from Weights & Biases for developing generative AI applications.
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	+ Minimal instrumentation via the weave.op decorator + Evaluation framework for structured, comparative LLM assessments + Integrates with the broader Weights & Biases ML experiment platform + Apache-2.0 licensed client SDK
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	− Tied to a W&B account and backend rather than a standalone self-hosted store − TypeScript SDK is less mature than the Python SDK
Used in stacks	0	0