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Use AxForge with Codex CLI

Codex CLI is OpenAI's coding agent for the terminal. It speaks the Responses API, and AxForge serves that too. Add AxForge as a provider in its config file and it runs on your key.

Set it up

1. Install Codex

   npm install -g @openai/codex

2. Add AxForge to its config

   Create ~/.codex/config.toml (on Windows %USERPROFILE%\.codex\config.toml):

   model = "qwen3.8-27b-nvfp4"
   model_provider = "axforge"
   model_context_window = 262144
   
   [model_providers.axforge]
   name = "AxForge"
   base_url = "https://api.axforge.ai/v1"
   env_key = "AXFORGE_API_KEY"
   wire_api = "responses"

   The file holds no key: env_key tells Codex to read it from the AXFORGE_API_KEY environment variable. model_context_window tells it that our models read 262,144 tokens at once, so it shortens a long session before it reaches that.

   

3. Put your key in the environment

   export AXFORGE_API_KEY="orx_live_your_key_here"

   It lasts until you close this terminal. Start Codex from the same one.

4. Start it in your project

   cd my-project
   codex

   The first time in a folder it asks whether you trust it. Trust and continue lets it read and change the files there.

   

5. Give it a task

   Ask in plain words. The line under the message box names the model it runs on.

   

The settings

Which model for what: qwen3.8-27b-nvfp4 is the everyday default and reads images, glm-5.3-flash thinks before it answers, mimo-v2.6-flash is the fastest. To try another one for a single run: codex -m glm-5.3-flash.

Check that it works

The line under the message box names your model and a task gets done. The calls show in the console under API Keys → Recent calls within a minute.

When it does not work

Test a call says in one click whether a problem is your key, your balance or us.