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Anthropic releases Claude Opus 4.8 with faster mode and updated token defaults

By PulseAugur Editorial · [2 sources] ·

Anthropic has released Claude Opus 4.8, a new iteration of its large language model. This update includes a "fast mode" option for organizations that have enabled the feature, and the default max_tokens setting has been adjusted to align with each model's maximum output. The llm-anthropic Python library has been updated to version 0.25.1 to support these changes, with LangChain also releasing an update to its anthropic integration (langchain-anthropic==1.4.4) to incorporate these improvements and address tool-call ID normalization. AI

IMPACT This update to Claude Opus 4.8 offers performance improvements and increased flexibility for users, potentially enhancing efficiency in AI-driven applications.

RANK_REASON New model release from a frontier lab. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

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AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Anthropic releases Claude Opus 4.8 with faster mode and updated token defaults

COVERAGE [2]

  1. Simon Willison TIER_1 English(EN) ·

    llm-anthropic 0.25.1

    <p><strong>Release:</strong> <a href="https://github.com/simonw/llm-anthropic/releases/tag/0.25.1">llm-anthropic 0.25.1</a></p> <blockquote> <ul> <li>New model: <a href="https://www.anthropic.com/news/claude-opus-4-8">Claude Opus 4.8</a> (<code>claude-opus-4.8</code>).</li> <li>N…

  2. LangChain — Releases TIER_1 English(EN) · github-actions[bot] ·

    langchain-anthropic==1.4.4

    <p>Changes since langchain-anthropic==1.4.3</p> <p>release(anthropic): 1.4.4 (<a class="issue-link js-issue-link" href="https://github.com/langchain-ai/langchain/pull/37757">#37757</a>)<br /> fix(anthropic): normalize cross-provider tool-call IDs (<a class="issue-link js-issue-li…

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