Anthropic released its August 2026 Risk Report on August 15, which inadvertently revealed details of an upcoming AI model named Model 2. The report states that Model 2 performs better than the current top model Claude Mythos 5 in multiple tasks, with improvements mainly focused on enhancing overall comprehensive capabilities rather than being highly significant. Internal benchmark test results from CoBench v2 are used to support these claims. The mention of “Model 1” in the report has led some users to speculate that Model 2 could be a successor to Model 1, both potentially further iterations of Claude Mythos Preview, indicating Anthropic is advancing its model lineup internally while keeping public naming updated more slowly.
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