vercel/ai @ai-sdk/anthropic@3.0.0

on GitHub

Major Changes

• dee8b05: ai SDK 6 beta

Minor Changes

• 78928cb: release: start 5.1 beta

Patch Changes

• 0c3b58b: fix(provider): add specificationVersion to ProviderV3

• 0adc679: feat(provider): shared spec v3

• 50b70d6: feat(anthropic): add programmatic tool calling

• b8ea36e: feat(provider/anthropic): Anthropic-native structured outputs

• ed537e1: Add support for pdf file in tool result in anthropic

• 2109385: 'fix(anthropic): Opus 4.5 maxOutputTokens bump 32000 -> 64000'

• 7c4328e: Adds url-based pdf and image support for anthropic tool results

• 8d9e8ad: chore(provider): remove generics from EmbeddingModelV3

  Before

  model.textEmbeddingModel('my-model-id');

  After

  model.embeddingModel('my-model-id');

• f33a018: chore: add model ID for Haiku 4.5

• b2dbfbf: add context_management for anthropic

• dce03c4: feat: tool input examples

• 2625a04: feat(openai); update spec for mcp approval

• 11e4abe: feat(provider/anthropic): web search tool updates

• f13958c: chore(antropic): allow custom names for provider-defined tools

• afb00e3: feat(provider/anthropic): add text_editor_20250728 tool support

  Add text_editor_20250728 tool for Claude 4 models (Sonnet 4, Opus 4, Opus 4.1) with optional max_characters parameter and no undo_edit command support.

• 95f65c2: chore: use import * from zod/v4

• 954c356: feat(openai): allow custom names for provider-defined tools

• 9e35785: fix(anthropic): send {} as tool input when streaming tool calls without arguments

• 544d4e8: chore(specification): rename v3 provider defined tool to provider tool

• a5f77a6: fix(anthropic): remove outdated tool name docs

• ca07285: feat(anthropic): add prompt caching validation

• a5a8db4: chore: add model ID for Sonnet 4.5

• 1742445: Support for custom provider name in google and anthropic providers

• e8109d3: feat: tool execution approval

• 87db851: fix(vertex/anthropic): passing beta header only for structured outputs

• f6603b7: fix(provider/anthropic): correct raw usage information

• ed329cb: feat: Provider-V3

• 3bd2689: feat: extended token usage

• 1cad0ab: feat: add provider version to user-agent header

• 2049c5b: Fix handling of error in web fetch tool in anthropic

• 4c5a6be: feat(provider/anthropic): default and limit maxTokens based on model

• 9e1e758: fix(anthropic): use default thinking budget when unspecified

• 589a4ee: fix(anthropic): simplify pulling first chunk

• 8dac895: feat: LanguageModelV3

• 6f845b4: Add support for 2025-08-25 code execution tool

• 9354297: feat(provider/anthropic): add support for Agent Skills

• 03849b0: throw 500 error when the first stream chunk is an error

• 0ae783e: feat(anthropic): add the new tool search tools

• 457318b: chore(provider,ai): switch to SharedV3Warning and unified warnings

• eb56fc6: fix(anthropic): pull first chunk without async IIFE

• fa35e95: feat(provider/anthropic): add web fetch tool

• 80894b3: add return file_id property for anthropic code-execution-20250825 to download output files.

• 366f50b: chore(provider): add deprecated textEmbeddingModel and textEmbedding aliases

• 81d4308: feat(provider/anthropic): mcp connector support

• 6fc35cb: Retain user-supplied betas.

• f4db7b5: feat(provider/anthropic): expose container from response in provider metadata

• 6c38080: fix(anthropic): support pdf responses in web_fetch_tool_result schema validation

• 4616b86: chore: update zod peer depenedency version

• dedf206: feat(provider/anthropic): expose stop_sequence in provider metadata

• 983e394: chore(provider/anthropic): add missing provider options jsdoc

• 0e38a79: support ANTHROPIC_BASE_URL

• cf4e2a9: Add support for tool calling with structured output

• f4e4a95: feat(provider/anthropic): enable fine grained tool streaming by default

• 21f378c: fix(provider/anthropic): do not limit maxTokens when model id is unknown

• c5440c5: chore(provider/anthropic): update anthropic model ids

• 1d15673: fix(provider/anthropic): clamp temperature to valid 0-1 range with warnings

• 9cff587: chore(provider/anthropic): lazy schema loading

• d129d89: chore(anthropic): remove unnecessary doc

• 3794514: feat: flexible tool output content support

• e1e2821: fix(provider/anthropic): support null title in web fetch tool

• cbf52cd: feat: expose raw finish reason

• 10c1322: fix: moved dependency @ai-sdk/test-server to devDependencies

• d08308b: feat(provider/anthropic): memory tool

• 05d5b9a: fix(anthropic): make title field nullable in web_fetch and web_search tool output schemas

• 1bd7d32: feat: tool-specific strict mode

• 83aaad8: Opus 4.5 and effort provider option

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  • @ai-sdk/provider@3.0.0
  • @ai-sdk/provider-utils@4.0.0