I'm happy GPT-5.5 tops this eval

I'm happy GPT-5.5 tops this eval I'm even happier it's still doing the best when measured vs tokens, cost, or wall-clock time!

Ranked #63 on backlist 2026-06-11 (11 Jun 2026 UTC) · by @polynoamial (Noam Brown) · view on X ↗

How it ranks: Backlist reads my Twitter/X timeline, scores every tweet for substance with an LLM rubric (not engagement), and publishes the daily top picks with a one-line takeaway. Curated by Surya Dantuluri.