@ai-sdk/anthropic - npm Package Compare versions

Comparing version 2.0.90 to 2.0.91

CHANGELOG.md

 # @ai-sdk/anthropic
 
+## 2.0.91
+
+### Patch Changes
+
+- 0ab9755: feat (provider/anthropic): support fallbacks 'default' mode, which routes safety classifier refusals to Anthropic's recommended fallback model (adds the server-side-fallback-2026-07-01 beta automatically)
+- 0ab9755: feat (provider/anthropic): support mid-conversation tool changes via the toolChanges system message provider option, emitting tool_addition/tool_removal content blocks and the mid-conversation-tool-changes-2026-07-01 beta
+- 0ab9755: feat (provider/anthropic): add claude-opus-5 model id with frontier-tier capabilities (128k output tokens, structured output, adaptive thinking, xhigh effort, sampling parameter rejection, thinking-disabled only at effort high or below)
+
 ## 2.0.90
@@ -4,0 +12,0 @@

dist/index.d.mts

@@ -172,3 +172,16 @@ import { JSONObject, ProviderV2, LanguageModelV2 } from '@ai-sdk/provider';
 
-type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-opus-5' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+/**
+ * Anthropic provider options for system messages.
+ */
+declare const anthropicSystemMessageProviderOptions: z.ZodObject<{
+    toolChanges: z.ZodOptional<z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
+        type: z.ZodLiteral<"tool_addition">;
+        toolName: z.ZodString;
+    }, z.core.$strip>, z.ZodObject<{
+        type: z.ZodLiteral<"tool_removal">;
+        toolName: z.ZodString;
+    }, z.core.$strip>]>>>;
+}, z.core.$strip>;
+type AnthropicSystemMessageProviderOptions = z.infer<typeof anthropicSystemMessageProviderOptions>;
 declare const anthropicProviderOptions: z.ZodObject<{
@@ -229,3 +242,3 @@ sendReasoning: z.ZodOptional<z.ZodBoolean>;
     }>>;
-    fallbacks: z.ZodOptional<z.ZodArray<z.ZodObject<{
+    fallbacks: z.ZodOptional<z.ZodUnion<readonly [z.ZodLiteral<"default">, z.ZodArray<z.ZodObject<{
         model: z.ZodString;
@@ -239,3 +252,3 @@ max_tokens: z.ZodOptional<z.ZodNumber>;
         }>>;
-    }, z.core.$strip>>>;
+    }, z.core.$strip>>]>>;
     contextManagement: z.ZodOptional<z.ZodObject<{
@@ -909,2 +922,2 @@ edits: z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
 
-export { type AnthropicMessageMetadata, type AnthropicProvider, type AnthropicProviderOptions, type AnthropicProviderSettings, type AnthropicUsageIteration, VERSION, anthropic, createAnthropic };
+export { type AnthropicMessageMetadata, type AnthropicProvider, type AnthropicProviderOptions, type AnthropicProviderSettings, type AnthropicSystemMessageProviderOptions, type AnthropicUsageIteration, VERSION, anthropic, createAnthropic };

dist/index.d.ts

@@ -172,3 +172,16 @@ import { JSONObject, ProviderV2, LanguageModelV2 } from '@ai-sdk/provider';
 
-type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-opus-5' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+/**
+ * Anthropic provider options for system messages.
+ */
+declare const anthropicSystemMessageProviderOptions: z.ZodObject<{
+    toolChanges: z.ZodOptional<z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
+        type: z.ZodLiteral<"tool_addition">;
+        toolName: z.ZodString;
+    }, z.core.$strip>, z.ZodObject<{
+        type: z.ZodLiteral<"tool_removal">;
+        toolName: z.ZodString;
+    }, z.core.$strip>]>>>;
+}, z.core.$strip>;
+type AnthropicSystemMessageProviderOptions = z.infer<typeof anthropicSystemMessageProviderOptions>;
 declare const anthropicProviderOptions: z.ZodObject<{
@@ -229,3 +242,3 @@ sendReasoning: z.ZodOptional<z.ZodBoolean>;
     }>>;
-    fallbacks: z.ZodOptional<z.ZodArray<z.ZodObject<{
+    fallbacks: z.ZodOptional<z.ZodUnion<readonly [z.ZodLiteral<"default">, z.ZodArray<z.ZodObject<{
         model: z.ZodString;
@@ -239,3 +252,3 @@ max_tokens: z.ZodOptional<z.ZodNumber>;
         }>>;
-    }, z.core.$strip>>>;
+    }, z.core.$strip>>]>>;
     contextManagement: z.ZodOptional<z.ZodObject<{
@@ -909,2 +922,2 @@ edits: z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
 
-export { type AnthropicMessageMetadata, type AnthropicProvider, type AnthropicProviderOptions, type AnthropicProviderSettings, type AnthropicUsageIteration, VERSION, anthropic, createAnthropic };
+export { type AnthropicMessageMetadata, type AnthropicProvider, type AnthropicProviderOptions, type AnthropicProviderSettings, type AnthropicSystemMessageProviderOptions, type AnthropicUsageIteration, VERSION, anthropic, createAnthropic };

dist/internal/index.d.mts

@@ -5,3 +5,3 @@ import { LanguageModelV2, JSONSchema7, SharedV2ProviderMetadata, LanguageModelV2CallWarning, LanguageModelV2CallOptions } from '@ai-sdk/provider';
 
-type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-opus-5' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
 
@@ -8,0 +8,0 @@ type AnthropicMessagesConfig = {

dist/internal/index.d.ts

@@ -5,3 +5,3 @@ import { LanguageModelV2, JSONSchema7, SharedV2ProviderMetadata, LanguageModelV2CallWarning, LanguageModelV2CallOptions } from '@ai-sdk/provider';
 
-type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
+type AnthropicMessagesModelId = 'claude-3-5-haiku-20241022' | 'claude-3-5-haiku-latest' | 'claude-3-7-sonnet-20250219' | 'claude-3-7-sonnet-latest' | 'claude-3-haiku-20240307' | 'claude-haiku-4-5-20251001' | 'claude-haiku-4-5' | 'claude-opus-4-0' | 'claude-opus-4-1-20250805' | 'claude-opus-4-1' | 'claude-opus-4-20250514' | 'claude-opus-4-5' | 'claude-opus-4-5-20251101' | 'claude-sonnet-4-0' | 'claude-sonnet-4-20250514' | 'claude-sonnet-4-5-20250929' | 'claude-sonnet-4-5' | 'claude-sonnet-4-6' | 'claude-opus-4-6' | 'claude-opus-4-7' | 'claude-opus-4-8' | 'claude-opus-5' | 'claude-fable-5' | 'claude-sonnet-5' | (string & {});
 
@@ -8,0 +8,0 @@ type AnthropicMessagesConfig = {

package.json

 {
   "name": "@ai-sdk/anthropic",
-  "version": "2.0.90",
+  "version": "2.0.91",
   "license": "Apache-2.0",
@@ -5,0 +5,0 @@ "sideEffects": false,

No alert changes

Improved metrics

Total package byte prevSize

2038258

2.54%

Lines of code

18742

2.1%

No dependency changes