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[Utility & Helpers](/categories/utility) 4. / 5. aisdk/anthropic ActiveLibrary[Utility & Helpers](/categories/utility) aisdk/anthropic =============== Official Anthropic provider for the PHP AI SDK. v0.8.0(1mo ago)016↓50%MITPHPPHP ^8.3CI passing Since Jun 30Pushed 4w agoCompare [ Source](https://github.com/phpaisdk/anthropic)[ Packagist](https://packagist.org/packages/aisdk/anthropic)[ Docs](https://github.com/phpaisdk/anthropic)[ RSS](/packages/aisdk-anthropic/feed)WikiDiscussions main Synced 2w ago READMEChangelog (10)Dependencies (12)Versions (12)Used By (0) aisdk/anthropic =============== [](#aisdkanthropic) [![GitHub Workflow Status](https://camo.githubusercontent.com/1382b16cc950be19b77db2314c8d47751fee430ec021411a8026cdde655b2a88/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f616374696f6e732f776f726b666c6f772f7374617475732f706870616973646b2f616e7468726f7069632f74657374732e796d6c3f6272616e63683d6d61696e266c6162656c3d5465737473)](https://github.com/phpaisdk/anthropic/actions)[![Total Downloads](https://camo.githubusercontent.com/6df23a6d14c49288bb57ade634528a4030ce7bd0877b6b561ff4ee086c4f549d/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f616973646b2f616e7468726f706963)](https://packagist.org/packages/aisdk/anthropic)[![Latest Version](https://camo.githubusercontent.com/6ee03a39c2487ed12780306925aea7fa504709cc1529272bd2d6be8b9dc7cd5e/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f616973646b2f616e7468726f706963)](https://packagist.org/packages/aisdk/anthropic)[![License](https://camo.githubusercontent.com/f2d58193cf271c12e07ac78946110efacfb385ad4a39e18178647ab8a3bb2f40/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f6c2f616973646b2f616e7468726f706963)](https://packagist.org/packages/aisdk/anthropic)[![Why PHP in 2026](https://camo.githubusercontent.com/d2b9305e630caf7daae4ca023de39ece0b885c37461629d42961533f00868b76/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5768795f5048502d696e5f323032362d3741383645383f7374796c653d666c61742d737175617265266c6162656c436f6c6f723d313831383162)](https://whyphp.dev) --- Official Anthropic provider for the PHP AI SDK. Installation ------------ [](#installation) ``` composer require aisdk/anthropic ``` Basic Usage ----------- [](#basic-usage) ``` use AiSdk\Anthropic; use AiSdk\Generate; $result = Generate::text() ->model(Anthropic::model('claude-sonnet-4')) ->instructions('Write short, clear answers.') ->prompt('Explain closures in PHP.') ->run(); echo $result->text; ``` Default model shorthand: ``` Generate::model(Anthropic::model('claude-sonnet-4')); $result = Generate::text('Explain closures in PHP.')->run(); ``` Configuration ------------- [](#configuration) ### Environment Variables [](#environment-variables) VariableDescriptionDefault`ANTHROPIC_API_KEY`API key for authenticationRequired`ANTHROPIC_BASE_URL`Base URL for API requests`https://api.anthropic.com/v1``ANTHROPIC_VERSION`API version header`2023-06-01`### Programmatic Configuration [](#programmatic-configuration) ``` $provider = Anthropic::create([ 'apiKey' => 'sk-ant-...', 'baseUrl' => 'https://api.anthropic.com/v1', 'version' => '2023-06-01', 'headers' => ['anthropic-beta' => 'extended-thinking-2025-05-14'], ]); ``` Supported Capabilities ---------------------- [](#supported-capabilities) CapabilitySupportText generationNativeStreamingNativeTool callingNativeStructured outputAdapted (forced tool use)ReasoningNative (`thinking` blocks)Text inputNativeImage inputNativeFile inputNative (documents)Streaming --------- [](#streaming) ``` use AiSdk\Anthropic; use AiSdk\Generate; $stream = Generate::text('Tell me a story.') ->model(Anthropic::model('claude-sonnet-4')) ->stream(); foreach ($stream->chunks() as $chunk) { echo $chunk; } $result = $stream->run(); ``` Structured Output ----------------- [](#structured-output) Anthropic does not natively support `json_schema` response format. Structured output is adapted through forced tool use: ``` use AiSdk\Anthropic; use AiSdk\Generate; use AiSdk\Schema; $result = Generate::text() ->model(Anthropic::model('claude-sonnet-4')) ->prompt('Extract the city and country from: Lahore, Pakistan.') ->output(Schema::object( name: 'address', properties: [ Schema::string(name: 'city')->required(), Schema::string(name: 'country')->required(), ], )) ->run(); ``` Reasoning --------- [](#reasoning) ``` use AiSdk\Anthropic; use AiSdk\Generate; use AiSdk\Reasoning; $result = Generate::text('Solve: what is 2+2?') ->model(Anthropic::model('claude-sonnet-4')) ->reasoning(Reasoning::effort('high')) ->run(); ``` Tools ----- [](#tools) ``` use AiSdk\Anthropic; use AiSdk\Generate; use AiSdk\Schema; use AiSdk\Tool; $weather = Tool::make('weather', 'Get current weather') ->input(Schema::string(name: 'city')->required()) ->run(fn (string $city): string => "Sunny in {$city}"); $result = Generate::text() ->model(Anthropic::model('claude-sonnet-4')) ->prompt('What is the weather in Lahore?') ->tool($weather) ->run(); ``` Model IDs and Capabilities -------------------------- [](#model-ids-and-capabilities) Anthropic model IDs pass through unchanged and do not need to be registered. The package does not ship a model inventory; the Anthropic API remains the authority on whether a particular model accepts a requested feature. Capabilities describe what the Anthropic adapter can serialize. The Anthropic API returns a normalized SDK exception if the selected model or requested feature is rejected. Provider-Specific Options ------------------------- [](#provider-specific-options) Raw provider options can be passed as an escape hatch: ``` $result = Generate::text('Hello') ->model(Anthropic::model('claude-sonnet-4')) ->providerOptions('anthropic', [ 'raw' => ['top_k' => 40], ]) ->run(); ``` Testing ------- [](#testing) ``` composer test ``` Documentation ------------- [](#documentation) - [PHP AI SDK documentation](https://phpaisdk.com/docs) - [Anthropic documentation](https://phpaisdk.com/docs/anthropic) Community --------- [](#community) - [Contributing](https://github.com/phpaisdk/.github/blob/main/CONTRIBUTING.md) - [Support](https://github.com/phpaisdk/.github/blob/main/SUPPORT.md) - For private security reports, email . ### Health Score 40 — FairBetter than 86% of packages Maintenance94 Actively maintained with recent releases Popularity8 Limited adoption so far Community6 Small or concentrated contributor base Maturity45 Maturing project, gaining track record Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~1 days Total 11 Last Release 31d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/ef29d1962da41e7526023f215cf844494e209b2fd163742084cb919a3b508021?d=identicon)[aisdk](/maintainers/aisdk) --- Top Contributors [![RanaMoizHaider](https://avatars.githubusercontent.com/u/58527494?v=4)](https://github.com/RanaMoizHaider "RanaMoizHaider (15 commits)") --- Tags aiclaudellmanthropicaisdk ### Code Quality TestsPest Static AnalysisPHPStan, Rector Code StyleLaravel Pint Type Coverage Yes ### Embed Badge ![Health badge](/badges/aisdk-anthropic/health.svg) ``` [![Health](https://phpackages.com/badges/aisdk-anthropic/health.svg)](https://phpackages.com/packages/aisdk-anthropic) ``` ### Alternatives [cognesy/instructor-php The complete AI toolkit for PHP: unified LLM API, structured outputs, agents, and coding agent control 326127.9k1](/packages/cognesy-instructor-php)[llm-agents/agents LLM Agents PHP SDK - Autonomous Language Model Agents for PHP 16918.3k9](/packages/llm-agents-agents)[wordpress/ai-provider-for-anthropic AI Provider for Anthropic for the PHP AI Client SDK. 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