Anthropic announced Claude Fable 5.1 and Claude Mythos 5.1, with Fable 5.1 available to the public and Mythos 5.1 restricted to approved organizations in cyber security and life sciences. Fable 5.1 is…
Anthropic shipped Claude Fable 5.1 on Monday, scoring 52.6% on Terminal-Bench-Science, more than double Fable 5's 24.7%, while cutting cache-read prices 75% to $0.25 per million tokens. The model reta…
Anthropic released Claude Fable 5.1 and Claude Mythos 5.1, with Fable 5.1 scoring 52.6% on Terminal-Bench-Science 0.1 (up from 24.7% for Fable 5) and cutting cache reads by 75% to $0.25 per million to…
Anthropic launched Claude Fable 5.1 and Mythos 5.1, its most capable AI models, with Fable 5.1 doubling its predecessor's score on Terminal-Bench-Science and improving agentic coding by over 30 percen…
A new evaluation framework, Terminal-Bench-Science, tests AI agents' ability to perform real scientific tasks in a simulated terminal environment, revealing a significant performance gap: models that …