diff --git a/config.json b/config.json
index 1a67c9c..cc1a4ad 100644
--- a/config.json
+++ b/config.json
@@ -28,7 +28,7 @@
   "models": {
     "gemini": {
       "default": {
-        "model": "gemini-2.0-flash",
+        "model": "gemini-2.5-flash",
         "temperature": 0,
         "maxTokens": 2000
       },
@@ -53,14 +53,14 @@
           "temperature": 0.7
         },
         "finalizer": {
-          "model": "gemini-2.5-flash-preview-05-20"
+          "model": "gemini-2.5-flash-lite"
         },
         "reducer": {
           "maxTokens": 16000
         },
         "fallback": {
           "maxTokens": 8000,
-          "model": "gemini-2.0-flash-lite"
+          "model": "gemini-2.5-flash-lite"
         }
       }
     },
diff --git a/jina-ai/config.json b/jina-ai/config.json
index b2c168c..09293de 100644
--- a/jina-ai/config.json
+++ b/jina-ai/config.json
@@ -34,14 +34,14 @@
   "models": {
     "gemini": {
       "default": {
-        "model": "gemini-2.0-flash",
+        "model": "gemini-2.5-flash",
         "temperature": 0.6,
         "maxTokens": 8000
       },
       "tools": {
         "coder": {
           "maxTokens": 2000,
-          "model": "gemini-2.0-flash-lite"
+          "model": "gemini-2.5-flash-lite"
         },
         "researchPlanner": {},
         "evaluator": {
@@ -58,7 +58,7 @@
         "agentBeastMode": {},
         "fallback": {
           "maxTokens": 8000,
-          "model": "gemini-2.0-flash-lite"
+          "model": "gemini-2.5-flash-lite"
         },
         "finalizer": {},
         "reducer": {
diff --git a/src/evals/batch-evals.ts b/src/evals/batch-evals.ts
index 306d011..c655c2c 100644
--- a/src/evals/batch-evals.ts
+++ b/src/evals/batch-evals.ts
@@ -108,7 +108,7 @@ Minor wording differences are acceptable as long as the core information of the
 
   try {
     const result = await generateObject({
-      model: createGoogleGenerativeAI({ apiKey: GEMINI_API_KEY })('gemini-2.0-flash'),  // fix to gemini-2.0-flash for evaluation
+      model: createGoogleGenerativeAI({ apiKey: GEMINI_API_KEY })('gemini-2.5-flash'),  // fix to gemini-2.0-flash for evaluation
       schema,
       prompt,
       maxTokens: 1000,