[Bug] Incorrect token usage comparison between Sonnet 4.6 and Sonnet 5 in model advisor

Status Open
Reported on v2.1.212
Maintainer reply None cached
Activity 0 comments · opened Jul 17, 2026

Bug Description
The model advisor told me Sonnet 4.6 uses more tokens than Sonnet 5, which is backwards — Sonnet 5's tokenizer produces ~30% more tokens for the same text. This misleading info could push users toward worse cost decisions.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.212
  • Feedback ID: b8552021-f4a4-4c86-88f5-f2c37cb9ea09

Errors

[]

View original on GitHub ↗