Anthropic released Claude Fable 5.1 on Tuesday, September 1, its top AI model for long, complex work like coding, research, computer use, and office work. Fable 5.1 keeps the same standard price as Fable 5, but it cuts cached input costs by a wide margin.
This guide breaks down Claude Fable 5.1’s release date, price, features, and how you can access it in Nigeria and other parts of Africa.
Claude Fable 5.1 quick facts
QuestionAnswerRelease dateSeptember 1, 2026StatusGenerally availableModel IDclaude-fable-5-1Input price$10 per million tokensOutput price$50 per million tokensCache read price$0.25 per million tokensContext window1 million tokensMaximum output128,000 tokensSupported inputsText and imagesOutputTextKnowledge cutoffJune 2026Nigeria availabilityYes, with an eligible paid plan or API accountFree plan accessNoEarliest retirement dateSeptember 1, 2027
What is Claude Fable 5.1?
