Anthropic launches Claude Opus 5.5, promising Fable-level performance at a lower price

Look Up Mashable's Best: E-readers, robovacs, laptops, earbuds, smart home and more Say More Safety Net Versus Mashable Selects Creator Playbook In My Bag Trending Now Back to School Good Connection: Uplifting stories for a digital age Switch Off All Series Anthropic launches Claude Opus 5.5, promising Fable-level performance at a lower price Anthropic says its new model rivals Fable 5.1 on most tasks while costing 40 percent less to run than Opus 5. Chance Townsend is the General Assignments Editor at Mashable, covering tech, video games, dating apps, digital culture, and whatever else comes his way. He has a Master's in Journalism from the University of North Texas and is a proud orange cat father. His writing has also appeared in PC Mag and . Anthropic has released Claude Opus 5.5, a new AI model the company says performs at roughly the same level as its Claude Fable 5.1 model on most work, but at a significantly lower cost. The model, announced on Tuesday, Sept. 22, is the first in Anthropic's new Claude 5.5 family.