Which AI Evaluation & Observability tool gets the most attention?

By observed HN heat, "Braintrust" leads (aggregated facts, not a prediction).

Are these rankings predictions?

No. Everything is an aggregation of sourced observations — no predictions or ratings.

Aggregated observations (HN heat, GitHub stars, events, pricing). Facts, not predictions.

🔥 HEAT · HN POINTS

3745

1901

974

190

161

105

🗞 RECENT EVENTS

2026-05-29🚀BraintrustBraintrust uses Codex for code generation↗

2026-05-18🚀LangSmithLangSmith Engine adds automatic agent debugging↗

2026-05-10⚠️BraintrustBraintrust AWS breach triggers customer API key rotation↗

2026-05-09⚠️BraintrustBraintrust security incident raises supply chain concerns↗

ALL TOOLS