@ai-sdk/google - npm Package Compare versions

Comparing version 3.0.99 to 3.0.100

src/google-model-capabilities.ts

+type GoogleModelCapabilities = {
+  supportsGemini2Tools: boolean;
+  supportsFileSearch: boolean;
+  usesGemini3Features: boolean;
+};
+
+const gemini1ModelPattern = /(^|\/)gemini-1(?:[.-]|$)/i;
+const gemini2ModelPattern = /(^|\/)gemini-2(?:[.-]|$)/i;
+const gemini25ModelPattern = /(^|\/)gemini-2\.5(?:[.-]|$)/i;
+const geminiModelPattern = /(^|\/)gemini-/i;
+
+function isKnownPreGemini2Model(modelId: string): boolean {
+  return (
+    gemini1ModelPattern.test(modelId) ||
+    /(^|\/)gemini-pro(?:-vision)?$/i.test(modelId) ||
+    /(^|\/)gemini-robotics-er-1\.5(?:[.-]|$)/i.test(modelId)
+  );
+}
+
+/**
+ * Classifies Gemini capabilities by excluding known older generations.
+ *
+ * Google model IDs are open-ended, so unrecognized Gemini IDs and aliases
+ * intentionally inherit the newest supported behavior. Add exceptions here
+ * only when a model is known to require a legacy request shape.
+ */
+export function getGoogleModelCapabilities(
+  modelId: string,
+): GoogleModelCapabilities {
+  const isGeminiModel = geminiModelPattern.test(modelId);
+  const isGemini2Model = gemini2ModelPattern.test(modelId);
+  const isKnownPreGemini2 = isKnownPreGemini2Model(modelId);
+  const isKnownOlderModel = isKnownPreGemini2 || isGemini2Model;
+  const usesGemini3Features = isGeminiModel && !isKnownOlderModel;
+
+  return {
+    supportsGemini2Tools:
+      (isGeminiModel && !isKnownPreGemini2) ||
+      modelId.toLowerCase().includes('nano-banana'),
+    supportsFileSearch:
+      gemini25ModelPattern.test(modelId) || usesGemini3Features,
+    usesGemini3Features,
+  };
+}

package.json

 {
   "name": "@ai-sdk/google",
-  "version": "3.0.99",
+  "version": "3.0.100",
   "license": "Apache-2.0",
@@ -5,0 +5,0 @@ "sideEffects": false,

src/google-generative-ai-language-model.ts

@@ -42,2 +42,3 @@ import type {
 } from './google-generative-ai-options';
+import { getGoogleModelCapabilities } from './google-model-capabilities';
 import type {
@@ -233,4 +234,3 @@ GoogleGenerativeAIContentPart,
     const isGemmaModel = this.modelId.toLowerCase().startsWith('gemma-');
-    const isGemini3Model = /^gemini-3[.-]/.test(this.modelId);
-    const supportsFunctionResponseParts = isGemini3Model;
+    const { usesGemini3Features } = getGoogleModelCapabilities(this.modelId);
 
@@ -241,5 +241,5 @@ const { contents, systemInstruction } = convertToGoogleGenerativeAIMessages(
         isGemmaModel,
-        isGemini3Model,
+        isGemini3Model: usesGemini3Features,
         providerOptionsName,
-        supportsFunctionResponseParts,
+        supportsFunctionResponseParts: usesGemini3Features,
         onWarning: warning => warnings.push(warning),
@@ -246,0 +246,0 @@ },

src/google-prepare-tools.ts

@@ -8,2 +8,3 @@ import {
 import type { GoogleGenerativeAIModelId } from './google-generative-ai-options';
+import { getGoogleModelCapabilities } from './google-model-capabilities';
 
@@ -50,17 +51,4 @@ export function prepareTools({
 
-  const isLatest = (
-    [
-      'gemini-flash-latest',
-      'gemini-flash-lite-latest',
-      'gemini-pro-latest',
-    ] as const satisfies GoogleGenerativeAIModelId[]
-  ).some(id => id === modelId);
-  const isGemini2orNewer =
-    modelId.includes('gemini-2') ||
-    modelId.includes('gemini-3') ||
-    modelId.includes('nano-banana') ||
-    isLatest;
-  const isGemini3orNewer = modelId.includes('gemini-3');
-  const supportsFileSearch =
-    modelId.includes('gemini-2.5') || modelId.includes('gemini-3');
+  const { supportsGemini2Tools, supportsFileSearch, usesGemini3Features } =
+    getGoogleModelCapabilities(modelId);
 
@@ -75,3 +63,3 @@ if (tools == null) {
 
-  if (hasFunctionTools && hasProviderTools && !isGemini3orNewer) {
+  if (hasFunctionTools && hasProviderTools && !usesGemini3Features) {
     toolWarnings.push({
@@ -90,3 +78,3 @@ type: 'unsupported',
         case 'google.google_search':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({ googleSearch: { ...tool.args } });
@@ -102,3 +90,3 @@ } else {
         case 'google.enterprise_web_search':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({ enterpriseWebSearch: {} });
@@ -114,3 +102,3 @@ } else {
         case 'google.url_context':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({ urlContext: {} });
@@ -127,3 +115,3 @@ } else {
         case 'google.code_execution':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({ codeExecution: {} });
@@ -152,3 +140,3 @@ } else {
         case 'google.vertex_rag_store':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({
@@ -174,3 +162,3 @@ retrieval: {
         case 'google.google_maps':
-          if (isGemini2orNewer) {
+          if (supportsGemini2Tools) {
             googleTools.push({ googleMaps: {} });
@@ -195,3 +183,3 @@ } else {
 
-    if (hasFunctionTools && isGemini3orNewer && googleTools.length > 0) {
+    if (hasFunctionTools && usesGemini3Features && googleTools.length > 0) {
       const functionDeclarations: Array<{
@@ -198,0 +186,0 @@ name: string;

New alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Fixed alerts

URL strings

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Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Improved metrics

Total package byte prevSize

3127657

0.39%

Number of package files

66

1.54%

Lines of code

34154

0.22%

No dependency changes