The new version completely smashes GPT-5.5 and the previous Mythos version.

The new version completely smashes GPT-5.5 and the previous Mythos version. Before Mythos Preview completed the cyber range 3 out of 10 times. The new version completed it 6 out of 10 times and is much more efficient!
Ranked #76 on backlist 2026-05-13 (13 May 2026 UTC) · by (Lisan al Gaib) ·

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.