Anthropic introduced Claude Fable 5.1 and Claude Mythos 5.1 for coding and knowledge work. According to Box, Claude Fable 5.1 is built for multi-step analytical enterprise work and scored 72% overall on Box's Complex Work Eval versus Fable 5's 65%.
Anthropic Introduces Claude Fable 5.1 and Claude Mythos 5.1AI News
Anthropic introduced Claude Fable 5.1 and Claude Mythos 5.1 for coding and knowledge work. According to Box, Claude Fable 5.1 is built for multi-step analytical enterprise work and scored 72% overall on Box's Complex Work Eval versus Fable 5's 65%.