simonwillison.net · Saved September 15, 2025

GPT‑5-Codex and upgrades to Codex

simonwillison.net/2025/Sep/15/gpt-5-codex/#atom-everything

What Jamie wrote

OpenAI doesn't have the cachet that they would like to have in coding tools, but they certainly aren't going to give up. This space is moving so fast.

Same host · 62 links from simonwillison.net

Beyond Vibe CodingSep 4, 2025
My review of Claude’s new Code Interpreter, released under a very confusing nameSep 11, 2025 WT326
Claude Sonnet 4.5 is probably the “best coding model in the world” (at least for now)Oct 1, 2025 WT329
Designing agentic loopsOct 1, 2025 WT329
Vibe engineeringOct 16, 2025 WT330

All 62 links from simonwillison.net

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