---
title: "Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work"
type: signal
url: https://frontiernewswire.com/s/anthropic-launches-claude-fable-5-1-and-says-its-up-to-45-percent-v84e4d2c8
published: 2026-09-01T22:01:36.000Z
byline: "Source: The Verge AI"
---

# Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work

Source: The Verge AI · Published 2026-09-01 · Canonical: https://frontiernewswire.com/s/anthropic-launches-claude-fable-5-1-and-says-its-up-to-45-percent-v84e4d2c8

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 less for complex agentic tasks, thanks to reduced pricing \[…\]

In this story: [Claude Fable 5.1](https://frontiernewswire.com/models/claude-fable-5-1), [Fable 5](https://frontiernewswire.com/models/fable-5), [Mythos 5.1](https://frontiernewswire.com/models/mythos-5-1)

## Sources

- [Read the original at The Verge AI](https://www.theverge.com/ai-artificial-intelligence/987830/anthropic-claude-fable-mythos-5-1)

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