From eeb7cc9497481f87764266bd246bb899422f9f1c Mon Sep 17 00:00:00 2001
From: Roo Code <roomote@roocode.com>
Date: Sat, 7 Mar 2026 22:30:14 +0000
Subject: [PATCH] feat: add gemini-3.1-flash-lite-preview model to Gemini and
 Vertex providers

---
 packages/types/src/providers/gemini.ts | 12 ++++++++++++
 packages/types/src/providers/vertex.ts | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/packages/types/src/providers/gemini.ts b/packages/types/src/providers/gemini.ts
index 4734606d5d9..3beb214891c 100644
--- a/packages/types/src/providers/gemini.ts
+++ b/packages/types/src/providers/gemini.ts
@@ -92,6 +92,18 @@ export const geminiModels = {
 			},
 		],
 	},
+	"gemini-3.1-flash-lite-preview": {
+		maxTokens: 65_536,
+		contextWindow: 1_048_576,
+		supportsImages: false,
+		supportsPromptCache: true,
+
+		supportsTemperature: true,
+		defaultTemperature: 1,
+		inputPrice: 0.1,
+		outputPrice: 0.4,
+		cacheReadsPrice: 0.025,
+	},
 	"gemini-3-flash-preview": {
 		maxTokens: 65_536,
 		contextWindow: 1_048_576,
diff --git a/packages/types/src/providers/vertex.ts b/packages/types/src/providers/vertex.ts
index 033c6b2e0da..08f912fd23b 100644
--- a/packages/types/src/providers/vertex.ts
+++ b/packages/types/src/providers/vertex.ts
@@ -92,6 +92,18 @@ export const vertexModels = {
 			},
 		],
 	},
+	"gemini-3.1-flash-lite-preview": {
+		maxTokens: 65_536,
+		contextWindow: 1_048_576,
+		supportsImages: false,
+		supportsPromptCache: true,
+
+		supportsTemperature: true,
+		defaultTemperature: 1,
+		inputPrice: 0.1,
+		outputPrice: 0.4,
+		cacheReadsPrice: 0.025,
+	},
 	"gemini-3-flash-preview": {
 		maxTokens: 65_536,
 		contextWindow: 1_048_576,