19:29
2026-09-01
decrypt.co
artificial-intelligence
Anthropic Ships Claude Fable 5.1, More Than Doubling Its Predecessor on Key Benchmark
Anthropic released Claude Fable 5.1 and Claude Mythos 5.1 on September 1, with Fable 5.1 scoring 52.6% on Terminal-Bench-Science 0.1, more than doubling Fable 5's 24.7%, and 55.8% on Terminal-Bench 4.…