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OpenAI SDK can call Anthropic's Claude models via compatibility endpoint

Developers can use the OpenAI Python SDK to interact with Anthropic's Claude models by leveraging a compatibility endpoint. This setup allows applications built with the OpenAI SDK to send requests to Anthropic's API, which then routes them to Claude models like Claude Sonnet 4.6. While this offers flexibility for testing and integration, Anthropic provides this as a compatibility layer rather than the recommended production path for Claude-first applications, highlighting the distinct responsibilities of SDKs, API endpoints, and the underlying models. AI

IMPACT Enables developers to leverage existing OpenAI integrations for Anthropic's Claude models, simplifying cross-model testing and development.

RANK_REASON Article describes how to use one company's SDK to interact with another company's model via a compatibility layer.

Read on dev.to — LLM tag →

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OpenAI SDK can call Anthropic's Claude models via compatibility endpoint

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · www.aekanun.com ·

    I Used the OpenAI SDK—and Claude Answered. Here’s Why.

    <p>You install the OpenAI Python package.</p> <p>You import <code>OpenAI</code>.</p> <p>You call <code>client.chat.completions.create()</code>.</p> <p>And <strong>Claude</strong> answers.<br /> </p> <div class="highlight js-code-highlight"> <pre class="highlight python"><code><sp…