Fable 5 restored globally July 1 after 19 days under US export controls. Anthropic deployed a new cybersecurity classifier ...
Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached ...
On benchmarks, Opus 4.8 is a step up rather than a leap. It scores 88.6% on SWE-bench Verified (vs. 87.6% for Opus 4.7), 69.2% on the harder SWE-bench Pro (vs. 64.3%), and 74.6% on Terminal-Bench 2.1 ...
The US government has lifted the export ban on Anthropic’s Mythos 5 and Claude Fable 5 AI models, allowing global access to ...
The release includes an embedded MCP server that exposes Spring project analytics to AI coding assistants, along with first-class support for Spring AI and automated property refactoring.