Claude Fable 5 Alternatives: Best Models to Use After the Export Ban in 2026
Claude Fable 5 launched on June 9, 2026 as Anthropic’s first publicly available Mythos-class model — 1M-token context, 80.3% on SWE-Bench Pro, and the most capable reasoning model ever shipped at its price point. Three days later, the US Commerce Department ordered it shut down for all foreign nationals under the Export Administration Regulations. Anthropic pulled both Fable 5 and Mythos 5 globally within 90 minutes. If you built on Fable 5 or were planning to, you now need an alternative. Here is everything you need to make that decision. ...