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Broaden Gemini fallback chain with lite models #6

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Merged
Sarthak195 merged 1 commit into from
Jul 15, 2026
Merged

Broaden Gemini fallback chain with lite models #6

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3 changes: 2 additions & 1 deletion src/lib/gemini.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@ import { GoogleGenAI } from "@google/genai";

const DEFAULT_MODEL = "gemini-3.5-flash";
/** Models tried, in order, when the primary is unavailable. Overridable via env. */
const DEFAULT_FALLBACKS = "gemini-3-flash-preview,gemini-flash-latest,gemini-2.0-flash";
const DEFAULT_FALLBACKS =
"gemini-3-flash-preview,gemini-flash-latest,gemini-3.1-flash-lite,gemini-flash-lite-latest,gemini-2.0-flash";
/** Gemini status codes that mean "try another model": overloaded / transient / rate-limited. */
const RETRYABLE_CODES = new Set([429, 500, 503]);

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