Claude Sonnet 4.6

From the announcement:

In Claude Code, our early testing found that users preferred Sonnet 4.6 over Sonnet 4.5 roughly 70% of the time. Users even preferred Sonnet 4.6 to Opus 4.5, our frontier model from November, 59% of the time.

Turns out 4.6 > 4.5. Both times.