MediaMetz/gemini-cli
1
0
Fork 0
mirror of https://github.com/google-gemini/gemini-cli.git synced 2026-04-21 10:34:35 -07:00
Code Issues Packages Projects Releases Wiki Activity

feat(core): fallback to 2.5 models with no access for toolcalls (#21283)

Browse Source
This commit is contained in:
Sehoon Shon
2026-03-05 15:37:15 -05:00
committed by GitHub
parent 0135b03c8a
commit 22d962e761
3 changed files with 73 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/core/src/config/models.ts
+38 -6
View File
@@ -43,38 +43,70 @@ export const DEFAULT_THINKING_MODE = 8192;
*
* @param requestedModel The model alias or concrete model name requested by the user.
* @param useGemini3_1 Whether to use Gemini 3.1 Pro Preview for auto/pro aliases.
* @param hasAccessToPreview Whether the user has access to preview models.
* @returns The resolved concrete model name.
*/
export function resolveModel(
requestedModel: string,
useGemini3_1: boolean = false,
useCustomToolModel: boolean = false,
hasAccessToPreview: boolean = true,
): string {
let resolved: string;
switch (requestedModel) {
case PREVIEW_GEMINI_MODEL:
case PREVIEW_GEMINI_MODEL_AUTO:
case GEMINI_MODEL_ALIAS_AUTO:
case GEMINI_MODEL_ALIAS_PRO: {
if (useGemini3_1) {
return useCustomToolModel
resolved = useCustomToolModel
? PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL
: PREVIEW_GEMINI_3_1_MODEL;
} else {
resolved = PREVIEW_GEMINI_MODEL;
}
return PREVIEW_GEMINI_MODEL;
break;
}
case DEFAULT_GEMINI_MODEL_AUTO: {
return DEFAULT_GEMINI_MODEL;
resolved = DEFAULT_GEMINI_MODEL;
break;
}
case GEMINI_MODEL_ALIAS_FLASH: {
return PREVIEW_GEMINI_FLASH_MODEL;
resolved = PREVIEW_GEMINI_FLASH_MODEL;
break;
}
case GEMINI_MODEL_ALIAS_FLASH_LITE: {
return DEFAULT_GEMINI_FLASH_LITE_MODEL;
resolved = DEFAULT_GEMINI_FLASH_LITE_MODEL;
break;
}
default: {
return requestedModel;
resolved = requestedModel;
break;
}
}
if (!hasAccessToPreview && isPreviewModel(resolved)) {
// Downgrade to stable models if user lacks preview access.
switch (resolved) {
case PREVIEW_GEMINI_FLASH_MODEL:
return DEFAULT_GEMINI_FLASH_MODEL;
case PREVIEW_GEMINI_MODEL:
case PREVIEW_GEMINI_3_1_MODEL:
case PREVIEW_GEMINI_3_1_CUSTOM_TOOLS_MODEL:
return DEFAULT_GEMINI_MODEL;
default:
// Fallback for unknown preview models, preserving original logic.
if (resolved.includes('flash-lite')) {
return DEFAULT_GEMINI_FLASH_LITE_MODEL;
}
if (resolved.includes('flash')) {
return DEFAULT_GEMINI_FLASH_MODEL;
}
return DEFAULT_GEMINI_MODEL;
}
}
return resolved;
}
/**