Research01 / 06
Anthropic launches Claude Fable 5.1 and Mythos 5.1, cuts agentic-task costs by up to 45%
Anthropic rolled out Claude Fable 5.1 and Claude Mythos 5.1 to reduce agentic task costs by up to forty-five percent. Fable 5.1 is generally available now across multiple cloud platforms. Mythos 5.1 has limited availability due to different safeguard levels. The company focuses on cheaper economics and scientific research results rather than raw benchmark gains.