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A flurry of new releases from OpenAI today under the Codex brand, including a new GPT-5-Codex speciality coding model simonwillison.net/2025/Sep/15/...

simonwillison.netGPT‑5-Codex and upgrades to CodexOpenAI half-released a new model today: GPT‑5-Codex, a fine-tuned GPT-5 variant explicitly designed for their various AI-assisted programming tools. I say half-released because it's not yet available ...

Tom Resing

@tomresing.com

Better at code comments than pelicans riding bikes. I had to read the vs code plugin part twice. I’ve been so used to GitHub copilot, I’d forgotten open ai might have their own plugin.

15/9/25, 9:44 pm0 reposts0 likes

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