From e3c4d74b1ad58621402d27bec067fc2030ef4b9e Mon Sep 17 00:00:00 2001
From: Jeff Emmett <jeffemmett@gmail.com>
Date: Mon, 2 Mar 2026 21:43:42 -0800
Subject: [PATCH] fix: update Gemini model names from deprecated -exp to
 current versions

gemini-2.0-flash-exp was removed from the API. Updated to:
- gemini-2.5-flash for text generation
- gemini-2.5-pro for outline/reasoning
- gemini-2.5-flash-image for image generation with responseModalities

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 lib/folk-prompt.ts |  4 ++--
 server/index.ts    | 14 +++++++-------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/lib/folk-prompt.ts b/lib/folk-prompt.ts
index b6574a9..f641642 100644
--- a/lib/folk-prompt.ts
+++ b/lib/folk-prompt.ts
@@ -281,8 +281,8 @@ export class FolkPrompt extends FolkShape {
 				<div class="input-area">
 					<select class="model-select">
 						<optgroup label="Gemini">
-							<option value="gemini-flash">Gemini Flash</option>
-							<option value="gemini-pro">Gemini Pro</option>
+							<option value="gemini-flash">Gemini 2.5 Flash</option>
+							<option value="gemini-pro">Gemini 2.5 Pro</option>
 						</optgroup>
 						<optgroup label="Local (Ollama)">
 							<option value="llama3.2">Llama 3.2 (3B)</option>
diff --git a/server/index.ts b/server/index.ts
index 732fe96..d96acdd 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -780,8 +780,8 @@ app.post("/api/freecad/:action", async (c) => {
 
 // ── Multi-provider prompt endpoint ──
 const GEMINI_MODELS: Record<string, string> = {
-	"gemini-flash": "gemini-2.0-flash-exp",
-	"gemini-pro": "gemini-1.5-pro",
+	"gemini-flash": "gemini-2.5-flash",
+	"gemini-pro": "gemini-2.5-pro",
 };
 const OLLAMA_MODELS: Record<string, string> = {
 	"llama3.2": "llama3.2:3b",
@@ -872,7 +872,7 @@ app.post("/api/gemini/image", async (c) => {
 	const { GoogleGenAI } = await import("@google/genai");
 	const ai = new GoogleGenAI({ apiKey: GEMINI_API_KEY });
 
-	const models = ["gemini-2.0-flash-exp", "imagen-3.0-generate-002"];
+	const models = ["gemini-2.5-flash-image", "imagen-3.0-generate-002"];
 	for (const modelName of models) {
 		try {
 			if (modelName.startsWith("gemini")) {
@@ -949,7 +949,7 @@ app.post("/api/zine/outline", async (c) => {
 
 	const { GoogleGenerativeAI } = await import("@google/generative-ai");
 	const genAI = new GoogleGenerativeAI(GEMINI_API_KEY);
-	const model = genAI.getGenerativeModel({ model: "gemini-1.5-pro" });
+	const model = genAI.getGenerativeModel({ model: "gemini-2.5-pro" });
 
 	const systemPrompt = `You are a zine designer creating a ${pageCount}-page MycroZine.
 Style: ${ZINE_STYLES[style] || style}
@@ -1027,7 +1027,7 @@ app.post("/api/zine/page", async (c) => {
 
 		try {
 			const result = await ai.models.generateContent({
-				model: "gemini-2.0-flash-exp",
+				model: "gemini-2.5-flash-image",
 				contents: enhancedPrompt,
 				config: { responseModalities: ["Text", "Image"] },
 			});
@@ -1073,7 +1073,7 @@ app.post("/api/zine/regenerate-section", async (c) => {
 
 		try {
 			const result = await ai.models.generateContent({
-				model: "gemini-2.0-flash-exp",
+				model: "gemini-2.5-flash-image",
 				contents: enhancedPrompt,
 				config: { responseModalities: ["Text", "Image"] },
 			});
@@ -1100,7 +1100,7 @@ app.post("/api/zine/regenerate-section", async (c) => {
 		// Regenerate text via Gemini
 		const { GoogleGenerativeAI } = await import("@google/generative-ai");
 		const genAI = new GoogleGenerativeAI(GEMINI_API_KEY);
-		const model = genAI.getGenerativeModel({ model: "gemini-2.0-flash-exp" });
+		const model = genAI.getGenerativeModel({ model: "gemini-2.5-flash" });
 
 		const toneDesc = ZINE_TONES[tone] || tone;
 		const prompt = `Rewrite this zine text section. Section type: "${section.id}". Page title: "${pageTitle}". Tone: ${toneDesc}.