Add gemini-3.1-pro-preview and flash-lite-3.1 model aliases#5171
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Cyberfilo wants to merge 2 commits into
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Add gemini-3.1-pro-preview and flash-lite-3.1 model aliases#5171Cyberfilo wants to merge 2 commits into
Cyberfilo wants to merge 2 commits into
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The Gemini 3.1 Pro Preview and Flash-Lite models were recently added to litellm's pricing JSON (and have their `model-settings.yml` entries in this repo). Adds short CLI aliases for both so users can pass `--model gemini-3.1-pro-preview` or `--model flash-lite-3.1` instead of the full `gemini/gemini-3.1-pro-preview` / `gemini/gemini-3.1-flash-lite` provider-prefixed names. The existing `gemini-3-pro-preview` -> `gemini/gemini-3-pro-preview` alias establishes the pattern; this mirrors it for the 3.1 family. The existing `flash-lite` alias (which points to 2.5) is left unchanged so existing shell history and configs keep working — users who want the new 3.1 variant explicitly pass `flash-lite-3.1`. The `gemini` umbrella alias is intentionally left pointing at `gemini/gemini-3-pro-preview`; bumping it to 3.1-pro-preview would be a breaking change for anyone scripted against the current behaviour, so users opt in via the new explicit aliases.
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Summary
Adds two short CLI aliases to `MODEL_ALIASES` in `aider/models.py` for the recently-released Gemini 3.1 family:
Mirrors the existing `gemini-3-pro-preview` -> `gemini/gemini-3-pro-preview` alias pattern.
Why short aliases
Users typically pass aliases on the CLI (`aider --model flash-lite`) rather than the full provider-prefixed name. The Gemini 3.1 family had no short alias, so the new variants weren't reachable without typing the full `gemini/gemini-3.1-*` name.
Existing behaviour preserved
Test plan