Anthropic’s new Fable release is cheaper, less restrictive — Live Feedhttps://www.live-feeds.com/feed/anthropic-s-new-fable-release-is-cheaper-less-restrictiveContinuously updated, source-cited coverage. Anthropic Releases Claude Fable 5.1 with Lower Costs and Coding Improvementshttps://www.live-feeds.com/feed/anthropic-s-new-fable-release-is-cheaper-less-restrictivehttps://www.live-feeds.com/feed/anthropic-s-new-fable-release-is-cheaper-less-restrictive#u55726Thu, 03 Sep 2026 13:20:55 +0000Anthropic has launched Claude Fable 5.1 and Mythos 5.1, positioning them as highly capable systems for scientific research, software development, and enterprise knowledge work. Fable 5.1 is now generally available in GitHub Copilot. The new model features reduced costs, including a 75% cut in cache read prices and savings up to 45% for complex agentic coding tasks. Anthropic states the model is smarter and utilizes more precise safeguards to reduce false positives, resulting in fewer prompt refusals compared to previous versions.Why it mattersThe release targets long-running problem-solving ta