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Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers

ID: 2801b80c-8f06-5ad9-8736-32fd7e37296f

STIX ID: report--2801b80c-8f06-5ad9-8736-32fd7e37296f

Feed Name: Help Net Security

Date Published: 2026-05-29

Date Updated: 2026-05-29

Author: Sinisa Markovic

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Anthropic released Claude Opus 4.8 to all users, citing improved honesty and reasoning, added Dynamic Workflows for large-scale code tasks, kept pricing unchanged, and announced upcoming Mythos-class models and broader access plans.

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