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Anthropic Python SDK updates add self-hosted sandbox support

By PulseAugur Editorial · Summary by gemini-2.5-flash-lite from 3 sources

Anthropic has released version 0.103.1 of its Python SDK, following closely on the heels of version 0.103.0. The previous release, 0.103.0, introduced support for self-hosted sandboxes within the Cloud-based Model Access (CMA) system, including helpful sandbox utilities. These updates focus on enhancing the developer experience and integration capabilities for Anthropic's models. AI

Summary written by gemini-2.5-flash-lite from 3 sources. How we write summaries →

IMPACT Enhances developer tools for integrating with Anthropic's AI models.

RANK_REASON This is a software SDK release, not a core model or product launch.

Read on Anthropic SDK (Python) — Releases →

Anthropic Python SDK updates add self-hosted sandbox support

COVERAGE [3]

  1. Anthropic SDK (Python) — Releases TIER_1 (SK) · stainless-app[bot] ·

    v0.104.0

    <h2>0.104.0 (2026-05-21)</h2> <p>Full Changelog: <a href="https://github.com/anthropics/anthropic-sdk-python/compare/v0.103.1...v0.104.0">v0.103.1...v0.104.0</a></p> <h3>Features</h3> <ul> <li><strong>api:</strong> Add support for thinking-token-count beta for estimated tokens in…

  2. Anthropic SDK (Python) — Releases TIER_1 (SK) · stainless-app[bot] ·

    v0.103.1

    <h2>0.103.1 (2026-05-19)</h2> <p>Full Changelog: <a href="https://github.com/anthropics/anthropic-sdk-python/compare/v0.103.0...v0.103.1">v0.103.0...v0.103.1</a></p> <h3>Bug Fixes</h3> <ul> <li><strong>runner:</strong> skip tool calls SessionToolRunner does not own (<a href="http…

  3. Anthropic SDK (Python) — Releases TIER_1 (SK) · stainless-app[bot] ·

    v0.103.0

    <h2>0.103.0 (2026-05-19)</h2> <p>Full Changelog: <a href="https://github.com/anthropics/anthropic-sdk-python/compare/v0.102.0...v0.103.0">v0.102.0...v0.103.0</a></p> <h3>Features</h3> <ul> <li><strong>client:</strong> Add support for self-hosted sandboxes in CMA with sandbox help…

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