Anthropic Releases Claude Fable 5.1 and Mythos 5.1 as Samsung LSI Adopts Claude Code

Anthropic has released the Claude Fable 5.1 and Mythos 5.1 models ahead of OpenAI’s anticipated Astra-class models, according to Wccftech.

Claude Fable 5.1 records a 4-point improvement over Fable 5 on the Artificial Analysis Intelligence Index. Anthropic has also launched lower API prices for the model.

Anthropic’s Claude Code, a coding-focused harness around its models, has received an endorsement from Samsung’s chip design-focused LSI division. The source describes the division’s use of Claude Code as a bet on Anthropic’s coding tool for chip design work.