AI / GitHub Copilot CLI Fundamentals Interview Questions
How does model selection work in GitHub Copilot CLI?
Copilot CLI supports multiple AI models and provides several ways to select or switch models - at launch, during a session, or automatically.
# Select a model at launch with --model flag copilot --model claude-3-7-sonnet # Use auto to let Copilot pick the best available model copilot --model auto # Or set via environment variable export COPILOT_MODEL=gpt-4o copilot # Switch model during an interactive session /model # list available models /model gpt-4o # switch to a specific model /model auto # switch to auto-selection # /model is also useful for comparing approaches: # Run the same prompt with different models to see # which handles your use case better
Auto model selection: passing auto lets Copilot automatically pick the best available model for each task. This is the recommended setting if you don't have a specific preference, as Copilot can route different request types to the most appropriate model.
Available models depend on your Copilot plan. Higher-tier plans (Business, Enterprise, Pro+, Max) have access to a wider range of models. Use /model inside a session to see which models are currently available to your account.
What does passing --model auto to Copilot CLI do?
How do you change the AI model during an active interactive Copilot CLI session?
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