GPT 5.4 is a big step for Codex - by Nathan Lambert

kept by eddie mar 19

GPT 5.4 improves agentic coding by removing hard edges, excelling in instruction-following and speed, though Claude retains an edge in warmth and charm.

GPT-5.4 | Hacker News
OpenAI releases GPT-5.4 with a 1M token context window, native computer-use abilities, and improved reasoning, claiming state-of-the-art performance on professional knowledge work benchmarks.
also on GPT-5.4, #benchmarks, Codex, OpenAI, #ai-coding, #developer-tools
Where the goblins came from
OpenAI traces how their models' goblin metaphor tic originated from a reinforcement-learning reward signal for a Nerdy personality, then spread via training data contamination.
also on GPT-5.4, Codex, OpenAI, #user-experience