diff --git a/packages/ai/src/protocols/gemini.ts b/packages/ai/src/protocols/gemini.ts
index 6cba2bc7f9b..57ad0660372 100644
--- a/packages/ai/src/protocols/gemini.ts
+++ b/packages/ai/src/protocols/gemini.ts
@@ -313,7 +313,7 @@ const thinkingConfig = (request: LLMRequest) => {
 }
 
 const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMRequest) {
-  const toolsEnabled = request.tools.length > 0 && request.toolChoice?.type !== "none"
+  const hasTools = request.tools.length > 0
   const generation = request.generation
   const toolSchemaCompatibility = request.model.compatibility?.toolSchema
   const generationConfig = {
@@ -329,7 +329,7 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
     contents: yield* lowerMessages(request),
     systemInstruction:
       request.system.length === 0 ? undefined : { parts: [{ text: ProviderShared.joinText(request.system) }] },
-    tools: toolsEnabled
+    tools: hasTools
       ? [
           {
             functionDeclarations: request.tools.map((tool) =>
@@ -338,7 +338,7 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
           },
         ]
       : undefined,
-    toolConfig: toolsEnabled && request.toolChoice ? yield* lowerToolConfig(request.toolChoice) : undefined,
+    toolConfig: hasTools && request.toolChoice ? yield* lowerToolConfig(request.toolChoice) : undefined,
     generationConfig: Object.values(generationConfig).some((value) => value !== undefined)
       ? generationConfig
       : undefined,
diff --git a/packages/ai/test/provider/gemini.test.ts b/packages/ai/test/provider/gemini.test.ts
index 5195d372c90..50b5dbb1d25 100644
--- a/packages/ai/test/provider/gemini.test.ts
+++ b/packages/ai/test/provider/gemini.test.ts
@@ -233,11 +233,11 @@ describe("Gemini route", () => {
     }),
   )
 
-  it.effect("omits tools when tool choice is none", () =>
+  it.effect("keeps tools and sends function calling mode NONE", () =>
     Effect.gen(function* () {
       const prepared = yield* LLMClient.prepare(
         LLM.request({
-          id: "req_no_tools",
+          id: "req_tool_choice_none",
           model,
           prompt: "Say hello.",
           tools: [{ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } }],
@@ -245,8 +245,10 @@ describe("Gemini route", () => {
         }),
       )
 
-      expect(prepared.body).toEqual({
+      expect(prepared.body).toMatchObject({
         contents: [{ role: "user", parts: [{ text: "Say hello." }] }],
+        tools: [{ functionDeclarations: [{ name: "lookup", description: "Lookup data" }] }],
+        toolConfig: { functionCallingConfig: { mode: "NONE" } },
       })
     }),
   )