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Search results for Claude Mythos 5

AI & Enterprise

Anthropic runs unreleased Model 2 stronger than Claude Mythos 5

Anthropic said it is operating an internal AI model, Model 2, that performs better than its top publicly known model, Claude Mythos 5, but it does not plan to release it. In an AI risk report, the company disclosed safety review results for Mythos 5 and Model 2 and described Model 2 as slightly more capable. Employees also rated it as improved on many tasks, though gains were limited. Benchmark and safety test results were mixed.

AI & Enterprise

Chinese open-weight models target security as Z.ai challenges Mythos with GLM-5.3

Chinese AI companies are accelerating efforts to expand their influence in the cybersecurity market by promoting open-weight models. Chinese startup Z.ai said on Aug. 15 it unveiled GLM-5.3, a cybersecurity-focused AI model, and plans to publish its weights within two weeks. The company said the model improved performance in vulnerability detection and exploit tasks, and set out a phased release plan with multi-layer safeguards and a separate disclosure process.

AI & Enterprise

China AI narrows performance gap, cuts inference costs to as little as one-hundredth

Chinese AI models are rapidly narrowing performance gaps with leading Western models while cutting inference costs to as little as one-hundredth, an analysis said. The focus is shifting from top benchmark scores to who can deploy high-performance AI cheaply and at scale. Benchmark results still show U.S. firms ahead, but Chinese models are close. Cost and open-weight strategies are boosting adoption, though political constraints and bias concerns persist.