LLM Testing
Open-source LLM evaluation tools matter for teams that can't send production data to third-party cloud services, that need to self-host their observability stack, or that simply want full control over their evaluation pipeline. Opik, from Comet, is one of the most capable open-source options
LLM Testing
Conversational AI applications present a testing challenge that single-turn LLM pipelines don't: the context of a full conversation matters. What a user said three turns ago can determine whether turn seven's response is correct or wrong. Standard observability tools that log individual LLM calls miss
LLM Testing
The hardest thing about deploying LLM-powered features isn't building them — it's knowing whether they're getting better or worse. Prompt tweaks, model upgrades, retrieval changes: each one can improve performance on some inputs while degrading it on others. Braintrust gives you the infrastructure to