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Add gemini-3.1-flash-image-preview (Nano Banana 2) support #137

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Merged
ystknsh merged 2 commits into from
Mar 2, 2026
Merged

Add gemini-3.1-flash-image-preview (Nano Banana 2) support #137

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Add gemini-3.1-flash-image-preview (Nano Banana 2) to image model opt…
ystknsh Mar 2, 2026
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ystknsh Mar 2, 2026
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4 changes: 4 additions & 0 deletions src/components/settings/ImageGenSettings.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@
class="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
>
<option value="gemini-2.5-flash-image">Gemini 2.5 Flash Image</option>
<option value="gemini-3.1-flash-image-preview">
Gemini 3.1 Flash Image (Preview)
</option>
<option value="gemini-3-pro-image-preview">
Gemini 3 Pro Image (Preview)
</option>
Expand Down Expand Up @@ -118,6 +121,7 @@ const handleBackendChange = (event: Event) => {
const handleGeminiModelChange = (event: Event) => {
const geminiModel = (event.target as HTMLSelectElement).value as
| "gemini-2.5-flash-image"
| "gemini-3.1-flash-image-preview"
| "gemini-3-pro-image-preview";
emit("update:modelValue", {
...normalizedConfig.value,
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5 changes: 4 additions & 1 deletion src/tools/backend/types.ts
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Expand Up @@ -22,7 +22,10 @@ export interface ImageGenBackendSettings {
export interface ImageGenerationConfigValue {
backend: "gemini" | "openai" | "comfyui";
styleModifier?: string;
geminiModel?: "gemini-2.5-flash-image" | "gemini-3-pro-image-preview";
geminiModel?:
| "gemini-2.5-flash-image"
| "gemini-3.1-flash-image-preview"
| "gemini-3-pro-image-preview";
openaiModel?: "gpt-image-1" | "gpt-image-1.5" | "gpt-image-1-mini";
}

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2 changes: 2 additions & 0 deletions src/views/HomeView.vue
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Expand Up @@ -357,6 +357,8 @@ const statusLine = computed(() => {
const geminiModel = config.geminiModel || "gemini-2.5-flash-image";
if (geminiModel === "gemini-3-pro-image-preview") {
imageModelName = "Gemini 3 Pro Image";
} else if (geminiModel === "gemini-3.1-flash-image-preview") {
imageModelName = "Gemini 3.1 Flash Image";
} else {
imageModelName = "Gemini 2.5 Flash Image";
}
Expand Down