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Anthropic Launches Claude Opus 4.8 AI Model
Anthropic announced the release of Claude Opus 4.8, its updated flagship large language model with improved performance, enhanced honesty and AI alignment, new user-controlled effort settings, a cheaper fast mode option, and the same regular pricing as the prior Opus 4.7 version. The company also shared it is developing higher-intelligence Mythos-class models under Project Glasswing, which are expected to be broadly available to customers in the coming weeks after additional safety safeguards are implemented.
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16- First seen
- May 29, 2026, 12:49 AM
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- May 29, 2026, 4:43 AM
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1 evidence itemsClaude Opus 4.8
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Claude Opus 4.8
May 29, 2026, 12:49 AM