… Fable 5 returns across Claude.ai, the Claude Platform, Claude Code, and Claude Cowork today, with access on AWS, Google Cloud, and Microsoft Foundry to follow. …
… Now, with today's release of Claude Fable 5 , Anthropic says it finally has a model of this class that's "safe for general use." Anthropic is also releasing the unrestricted Mythos 5 model to members of its Project Glasswing program for use in sensitive cybersecurity and biology contexts. …
… Effective yesterday, Claude Code’s five-hour rate limits have doubled for all paid tiers. The company has also removed the peak hours limit reduction for Pro and Max. Lastly, it has “considerably” raised the API rate limits, the volume of requests developers can make, for Claude Opus models. …
… On an internal test that asks each new model to make training code run faster, results climbed from roughly triple the original speed with Claude Opus 4 in May 2025 to about 52 times with the unreleased Mythos Preview model by April 2026, against the four to eight hours a skilled researcher needs f… …