21CTO

Jul 2, 2026 · Artificial Intelligence

Claude Sonnet 5 Launches as Anthropic Lifts Export Ban on Fable 5 and Mythos 5

Anthropic unveiled Claude Sonnet 5, a mid‑tier model that matches flagship performance at a fraction of the cost, while simultaneously announcing the U.S. Commerce Department's removal of export restrictions on Fable 5 and Mythos 5, restoring global access and reshaping the AI model landscape.