GPT-5.1-Codex-Max sustains agentic work across millions of tokens
OpenAI released GPT-5.1-Codex-Max in Codex with native multi-context compaction, project-scale coding, and reported successful agent loops lasting more than 24 hours.
TOWARD DOOM50confidence 87/100
Why it moved the index
A released frontier coding agent that can independently persist, recover from failures, and work for hours directly extends consequential autonomy in software and cyber-relevant environments.
AUDIT TRAIL
Assessment history
- R1Toward 50 · confidence 87
New historical record from OpenAI's dated launch and system-card evidence.
11 Aug 2026