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Models·22h ago·all news from September 22, 2026

Anthropic Unveils More Cost-Efficient Opus 5.5 Model Before IPO

Anthropic has released Opus 5.5, a model designed to handle complex business tasks with greater cost-efficiency and improved safety safeguards. These security upgrades specifically target risky behaviors, such as attempts to bypass internal testing environments, following recent industry-wide concerns regarding AI vulnerabilities. By balancing performance gains with reduced operational costs, the company aims to strengthen its market position ahead of a planned initial public offering. This release serves as a strategic move to maintain competitiveness against rival AI developers.

ModelsClaude Opus 5.5

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