Configuration

cmx stores configuration in ~/.config/context-mixer/config.json.

View current settings

cmx config show

LLM Gateway

The diff command uses an LLM for analysis. By default, cmx uses OpenAI with the gpt-5.4 model.

Set the gateway

# OpenAI (default) — uses $OPENAI_API_KEY
cmx config gateway openai

# Ollama (local)
cmx config gateway ollama

Set the model

# OpenAI models
cmx config model gpt-5.4

# Ollama models
cmx config gateway ollama
cmx config model qwen3.5:27b

Environment variables