---
title: "Braintrust"
category: "tools"
aliases: ["Braintrust"]
sourceLabels: ["Official schedule", "Public YouTube metadata", "Local slide OCR", "Topic synthesis"]
scheduleTracks: []
scheduleRooms: ["Track 9"]
---

# Braintrust

## Why It Belongs
Braintrust appears as a high-confidence tool, platform, model, protocol, product, or service in the AI Engineer World's Fair 2026 corpus.

This page records confirmed mentions and keeps them separate from broader inferred relevance.

## Confirmed Evidence

### Official Schedule
- [[2026-06-29-doug-guthrie-advanced-workshop-mastering-ai-observability]] — Advanced workshop: Mastering AI Observability (track TBD / Track 9)

### Public YouTube Metadata
- [YouTube XBaznoTRDFI](https://www.youtube.com/watch?v=XBaznoTRDFI) — How agent o11y differs from traditional o11y — Phil Hetzel, Braintrust
- [YouTube FB-MLPhL9Ms](https://www.youtube.com/watch?v=FB-MLPhL9Ms) — The maturity phases of running evals — Phil Hetzel, Braintrust
- [YouTube NKwIX3CiRgU](https://www.youtube.com/watch?v=NKwIX3CiRgU) — Does GenAI "belong" to data scientists? — Phil Hetzel, Braintrust
- [YouTube ZdheJTfLu-s](https://www.youtube.com/watch?v=ZdheJTfLu-s) — Shipping complex AI applications — Braintrust & Trainline
- [YouTube _fQ7Z_Wfouk](https://www.youtube.com/watch?v=_fQ7Z_Wfouk) — Why building eval platforms is hard — Phil Hetzel, Braintrust
- [YouTube a4BV0gGmXgA](https://www.youtube.com/watch?v=a4BV0gGmXgA) — Five hard earned lessons about Evals — Ankur Goyal, Braintrust
- [YouTube MC55hdWLq4o](https://www.youtube.com/watch?v=MC55hdWLq4o) — The Future of Evals - Ankur Goyal, Braintrust
- [YouTube bk0TmxoZlUY](https://www.youtube.com/watch?v=bk0TmxoZlUY) — Evals 101 — Doug Guthrie, Braintrust
- [YouTube jJ45Yz1lJao](https://www.youtube.com/watch?v=jJ45Yz1lJao) — Why should anyone care about Evals? — Manu Goyal, Braintrust
- [YouTube 6YdPI9YbjbI](https://www.youtube.com/watch?v=6YdPI9YbjbI) — How to build world-class AI products — Sarah Sachs (AI lead @ Notion) &  Carlos Esteban (Braintrust)

### Resource Pages
- [[advanced-slide-logic-page-audit]]
- [[talk-video-transcript-map]]
- [[youtube-6YdPI9YbjbI]]
- [[youtube-bk0TmxoZlUY]]

### Slide/OCR Pages
- [[youtube--TiET_K-E_g-slides]]
- [[youtube-3_gYbhABcAE-slides]]
- [[youtube-5ID22ACI7IM-slides]]
- [[youtube-6YdPI9YbjbI-dense-slides]]
- [[youtube-6YdPI9YbjbI-reconstructed-slides]]
- [[youtube-6YdPI9YbjbI-slides]]
- [[youtube-B9h9ovW5H9U-slides]]
- [[youtube-BM2JX9hqsVQ-slides]]
- [[youtube-Bc6Ojl2XS1w-slides]]
- [[youtube-BiG2ssibKGc-slides]]

### Topic Pages
- [[agent-evaluations]]
- [[autoresearch]]
- [[coding-agents]]
- [[mcp]]

## Confidence
High confidence for presence in the corpus. Interpret broader importance through the linked schedule, transcript, slide, and topic evidence.