Developers Say Astra's Performance in Codex Dropped Sharply Within a Week

Artist Sterling Crispin reported a sharp reversal in model performance: after abandoning Claude for Codex last week, OpenAI's Astra in Codex now seems significantly 'dumber,' while Opus 5.5 has regained the top spot.

2026-09-26 ~ 2026-09-26 · 2 related posts

• User: Astra Has 'Hemorrhaged IQ' in Codex, Opus 5.5 Is King Again — sterlingcrispin · 2026-09-26
• Dev Says Astra Has "Hemorrhaged IQ" in Codex While Opus 5.5 Is King Again — sterlingcrispin · 2026-09-26