llm-openai-via-codex 0.1a0

📰 Simon Willison's Blog

Use llm-openai-via-codex to make LLM API calls using your Codex CLI credentials, as seen in GPT-5.5 experiments

advanced Published 23 Apr 2026
Action Steps
  1. Install llm-openai-via-codex 0.1a0 using pip
  2. Configure the tool to use your Codex CLI credentials
  3. Make API calls to LLM using the tool
  4. Test the tool with sample prompts and evaluate the results
  5. Integrate the tool into your existing LLM workflow
Who Needs to Know This

Developers and researchers working with LLMs and Codex can benefit from this tool to streamline their API calls and experiments

Key Insight

💡 llm-openai-via-codex allows for seamless integration of LLM API calls using Codex CLI credentials

Share This
🚀 Hijack your Codex CLI credentials to make LLM API calls with llm-openai-via-codex 0.1a0! 🤖

Key Takeaways

Use llm-openai-via-codex to make LLM API calls using your Codex CLI credentials, as seen in GPT-5.5 experiments

Full Article

Release: llm-openai-via-codex 0.1a0 Hijacks your Codex CLI credentials to make API calls with LLM, as described in my post about GPT-5.5 . Tags: openai , llm , <a href="https://simonwillison.net/tags/codex-
Read full article → ← Back to Reads

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