Tag: codex
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OpenAI Traces ChatGPT’s Goblin Habit to a Stray RL Reward Signal
OpenAI on April 29, 2026 published a post-mortem explaining why its recent ChatGPT models had developed a strange habit of sprinkling goblins, gremlins, and other small creatures into their answers. The cause traces back to reward signals in the “Nerdy” personality during reinforcement learning. Use of “goblin” in ChatGPT rose 175% after the GPT‑5.1 launch, […]
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OpenAI Ships Official Codex Plugin for Anthropic’s Claude Code
OpenAI has released an official plugin that embeds its Codex coding agent directly inside Anthropic’s Claude Code CLI. Announced on March 30, 2026, the open-source codex-plugin-cc plugin lets developers invoke Codex for code reviews, adversarial analysis, and task delegation — all without leaving the Claude Code terminal. The move is notable because OpenAI is deliberately […]
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OpenAI Codex Update: Now Available to ChatGPT Plus Users with Internet Access and Voice Input
On June 3, 2025, OpenAI announced a significant update to its AI-powered coding assistant, Codex. Previously exclusive to ChatGPT Pro, Team, and Enterprise users, Codex is now accessible to ChatGPT Plus subscribers, broadening its availability to a wider developer audience.(theverge.com, openai.com) Key points On June 3, 2025, OpenAI announced that Codex, previously exclusive to ChatGPT […]