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Braintrust vs Laminar: catalog facts
Braintrust	Laminar
Freemium Self-serve sign-up with paid plans listed on the pricing page.	Free Free and open source under Apache 2.0; a managed platform is offered at laminar.sh.
Web	Web, Self-hosted
Real-time tracing of prompts, responses and tool calls Evals scored by LLMs, code or humans	Automatic tracing for many agent frameworks and model APIs Evals that run locally or in CI with a comparison UI
Hosted service that requires an account Aimed at teams building LLM products, not individual users	Requires adding its SDK to your application Self-hosting involves running several services including ClickHouse
Hosted service	Self-hosted, Hosted service
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.