Zulip Chat Archive
Stream: Machine Learning for Theorem Proving
Topic: Sonnet 4.6
Ralf Stephan (Feb 18 2026 at 12:19):
If you're using Opus with Claude for Lean, try the new Sonnet 4.6 which seems surprisingly good for its cost tier (maybe not for deep research and reasoning, but that needs to be confirmed).
Last updated: Feb 28 2026 at 14:05 UTC