Simon Willison’s Weblog

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23rd April 2026

Release llm-openai-via-codex 0.1a0 — Access OpenAI models via an existing Codex subscription

Hijacks your Codex CLI credentials to make API calls with LLM, as described in my post about GPT-5.5.

Posted 23rd April 2026 at 7:22 pm

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