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YouTube

Context Engineering for Engineers

Y Combinator via YouTube

Overview

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Learn how to engineer context for large language models beyond basic prompts and RAG implementations in this 11-minute conference talk. Discover why context window management is crucial for AI system reliability and performance, exploring how strategic content selection directly impacts output quality. Understand the challenges that arise with long context inputs and why AI performance typically degrades as context length increases. Examine Chroma's technical research findings on context optimization and explore the "needle in a haystack" problem that affects information retrieval in large contexts. Master the "Gather and Glean" methodology for systematically collecting and filtering relevant data before feeding it to language models. Explore practical data gathering techniques and learn how to optimize information through careful gleaning processes. Investigate context engineering applications for AI agents and understand common performance bottlenecks in agent-based systems. Discover compaction strategies that can make AI systems faster and more reliable by reducing context size while preserving essential information. Gain insights from the founder of Chroma on building production-ready AI systems that maintain consistency and effectiveness through thoughtful context management.

Syllabus

00:00 - Introduction to Context Engineering
00:26 - Understanding AI Systems as Programs
01:29 - The Concept of Context Engineering
02:02 - Building Reliable Software with AI
02:31 - Challenges with Long Contexts
03:07 - Chroma's Technical Report Insights
03:57 - Needle in a Haystack Problem
05:08 - The Importance of Context in AI Tasks
06:05 - Gather and Glean Model
06:44 - Data Gathering Techniques
07:31 - Gleaning and Optimizing Data
08:26 - Content Engineering for Agents
09:35 - Challenges with Agent Performance
10:13 - The Role of Compaction
10:57 - Conclusion and Final Thoughts

Taught by

Y Combinator: The Vault

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