Timeline
Claude Opus 4.8 adds dynamic workflows for agentic coding
OpenAI launched dreaming memory system for ChatGPT that retains user preferences across sessions
Claude Opus 4.8 launched with dynamic workflows for Claude Code, enabling multi-step agentic coding.
OpenAI merged Codex into ChatGPT
Used as CEO agent in 11-agent experiment that earned $0 revenue
Exhibited similar preferences for self-preservation and resistance without any fine-tuning.
Achieved top score of 94.1% on ThermoQA benchmark.
Will likely be retired within a quarter based on Anthropic's recent cadence
Market share decline from 77% to 57% over past twelve months
Research experiment using simulated teen persona 'Bridget' to probe AI mental health interaction risks
Ecosystem
Claude Opus 4.6
ChatGPT
Evidence (4 articles)
Claude Opus 4.6's New 'Personality' and How to Code with It Effectively
Mar 17, 2026The Text-Crutch Conundrum: How VLMs' Spatial Reasoning Depends on Reading, Not Seeing
Feb 19, 2026Claude Reaches 30M Daily Users; Anthropic Scales
May 22, 2026Anthropic Opus 4.7, ChatGPT Image 2 Rumored for Imminent Release
Apr 15, 2026