OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark
… On CyberGym, GPT-5.5-Cyber scored 85.6%, compared with 81.8% for GPT-5.5 and 83.8% for Claude Mythos 5 . …
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Anthropic brings back Claude Fable 5 after the US lifted export controls
1w agoU.S. partially reverses Anthropic AI ban for Mythos but keeps Fable 5 off the market
1w agoOpenAI announces GPT‑5.6 Sol, its next-generation flagship model beating Claude Mythos 5
1w agoAnthropic accuses Alibaba of using 25,000 fake accounts to copy Claude's capabilities
1w agoAnthropic launches Claude Fable 5, a state-of-the-art AI model that beats OpenAI's GPT-5.5
… Developers can access Fable 5 through the Claude API using the claude-fable-5 model name. Anthropic Anthropic claude Claude fable 5 Claude mythos 5 Report a problem with this article
Anthropic pulls Fable 5 and Mythos 5 after US export control order
… After preparing appropriate guardrails, early this week, Anthropic launched Claude Fable 5 and Mythos 5 , its most capable AI models. Claude Fable 5 is for general users and comes with strict safeguards, while Mythos 5 is designed with fewer safeguards for cybersecurity and biology use cases. …
Microsoft unveils MDASH, a multi-model agentic AI system that beats Anthropic's Mythos
… Anthropic also announced a similar initiative with Claude Security and Project Glasswing , which focus on scanning codebases, validating findings, and suggesting patches for human review. …
Anthropic extends Claude Fable 5 promo as OpenAI prepares wider GPT-5.6 launch
… Fable 5 was made available through Claude Platform, Claude.ai, Claude Code, and Claude Cowork. …
Microsoft brings Claude to its own Azure infrastructure, powered by Nvidia GB300 Blackwell
… Anthropic currently has 11 Claude models listed in Microsoft Foundry, including Opus 4.8, Sonnet 4.6, and even the unavailable Mythos and Fable models. Billing is handled through Claude Consumption Units CCUs . …
Anthropic launches Claude Opus 4.8 with better coding and lower fast mode pricing
… Anthropic also confirmed that it will bring Mythos-class models to all customers in the coming weeks. Anthropic Claude Claude opus 4.8 Report a problem with this article
Google reshuffles its AI coding team as it struggles to catch Anthropic
… Anthropic has made coding a central part of its AI strategy through Claude Code and its Claude model family. The company has continued improving that area, with Claude Opus 4.8 offering upgrades for coding and other agentic tasks, along with the now-unavailable Mythos and Fable models. …
Claude Sonnet 5 won't follow commands, argues with users, and tells them to go to sleep
… Anthropic Claude Claude sonnet Claude sonnet 5 Artificial intelligence Report a problem with this article
7 Days: Windows 11 turns five, Ford made a mistake, and Starlink plans direct mobile service
… It scored 85.6% on CyberGym, compared with 81.8% for GPT-5.5 and 83.8% for Claude Mythos 5 . …