Simon Willison 11/7/2025

Using Codex CLI with gpt-oss:120b on an NVIDIA DGX Spark via Tailscale

Read Original

This technical blog post details how to configure and use OpenAI's Codex CLI coding agent with the gpt-oss:120b model running locally in Ollama on an NVIDIA DGX Spark. The setup uses a Tailscale network to allow the author to run the Codex CLI from their laptop anywhere in the world against this self-hosted model, demonstrating its use by building a Space Invaders clone.

Using Codex CLI with gpt-oss:120b on an NVIDIA DGX Spark via Tailscale

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser