Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work
45% cheaper for agentic work. Anthropic's Claude Fable 5.1 cuts costs while boosting coding performance — and it's live now.
Why it matters
Anthropic is pricing aggressively on its newest models to address customer cost concerns and capture agentic workloads. For practitioners already evaluating Claude for agents or coding, this is a material shift in the cost-benefit calculus.
The key facts
6 to knowClaude Fable 5.1 pricing: 25% cheaper on average, up to 45% cheaper for agentic tasks
Fable 5.1 claimed to offer stronger performance than Fable 5
Cost reduction driven by reduced pricing on cached data
Companion release: Mythos 5.1 (model details not specified in excerpt)
Early adopter testimonial: Dan Shipper (Every CEO) calls it 'strongest coding model we've used'
Addresses three customer criticisms: price, data retention, safeguards
Go to the source
The Verge AItheverge.com
Publisher excerpt: Anthropic says its newest AI models, Fable 5.1 and Mythos 5.1, address criticisms from customers about price, data retention, and overzealous safeguards. The company claims Claude Fable 5.1 offers stronger performance than Fable 5, but costs around 25 percent less typically and up to 45 percent…