Anthropic Advances AI with Claude Fable and Mythos 5.1
- Anthropic released Claude Fable and Mythos 5.1 on September 1, achieving a score of 52.6% on Terminal-Bench-Science compared to Fable 5’s previous score of 24.7%.
- The new models scored significantly higher on Terminal-Bench, with Fable reaching a completion rate of 55.8% against Opus’ earlier benchmark of 52.3%.
- Cache read costs have been reduced by 75%, lowering typical workload expenses by approximately 25% and highly agentic workloads by up to 45%.
Claude Fable and Mythos models are touted as the world’s most advanced for coding and knowledge work, reflecting significant improvements in processing efficiency and cost management.
Fable’s performance enhancements over its predecessor underscore Anthropic’s commitment to advancing AI capabilities while maintaining competitive pricing structures for users across various plans.( Source)
