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Documentation Index

Fetch the complete documentation index at: https://platform.minimax.io/docs/llms.txt

Use this file to discover all available pages before exploring further.

Codex is OpenAI’s official AI coding agent for the desktop.

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Install Codex

Download and install the Codex desktop app from the OpenAI Codex page.

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Configure MiniMax API

1

Edit the config file

Open ~/.codex/config.toml and add the following, replacing <MINIMAX_API_KEY> with your key from the MiniMax Developer Platform:
model = "MiniMax-M3"
model_provider = "minimax"
model_context_window = 512000

[model_providers.minimax]
name = "MiniMax"
base_url = "https://api.minimax.io/v1"
experimental_bearer_token = "<MINIMAX_API_KEY>"
wire_api = "responses"
2

Restart Codex and start using MiniMax-M3

Restart Codex — MiniMax-M3 is now ready to use.