Anthropic unveils Claude Opus 4.8
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Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.
Anthropic launched Claude Opus 4.8 with stronger coding tools while teasing broader Mythos access in the coming weeks.
Anthropic's AI model Claude Mythos, focused on cybersecurity, inadvertently appeared briefly in its developer tools, raising speculation about a potential public release.
Claude Code plugins now have an official Anthropic-managed directory at github.com/anthropics/claude-plugins-official, consolidating 30-plus internal and 15 vetted external Claude Code extensions behi
Anthropic has confirmed that it plans to bring Mythos-class models to the general public after delaying the rollout due to security risks to public and private software. Mythos was announced in April as a restricted model and was made available only to ...