Simon Willison 11/23/2025

Agent design is still hard

Read Original

Armin Ronacher shares lessons from building AI agents, arguing that current agent abstraction libraries aren't worth adopting due to model differences. He discusses challenges with testing/evaluation, introduces 'reinforcement' techniques, and explores how LLM APIs create synchronization problems that might benefit from local-first approaches.

Agent design is still hard

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
The Beautiful Web
Jens Oliver Meiert 2 votes
2
Container queries are rad AF!
Chris Ferdinandi 2 votes
3
Wagon’s algorithm in Python
John D. Cook 1 votes
5
Top picks — 2026 January
Paweł Grzybek 1 votes
6
In Praise of –dry-run
Henrik Warne 1 votes
8
Vibe coding your first iOS app
William Denniss 1 votes