TLDR:
TLDR: Opus 4.8 high ranks only 5th overall, but it is the cleanest and most reliable result so far: #1 validity, 93.3% clean stops, and 0% wrong-edit-distance failures. It edges out GPT-5.5 on reasoning efficiency, and cost-efficiency, but
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.