Anthropic's new Fable release is cheaper, less restrictive
Fable 5.1 includes changes meant to reduce token cost and false-positive restrictions from the model's safeguards.
TL;DR
- Anthropic released Fable and Mythos 5.1, advanced AI models.
- Fable 5.1 features reduced token costs and fewer false-positive restrictions.
- Mythos 5.1 is exclusive to registered Anthropic partners in cybersecurity and life sciences.
- Zero data retention is now available for clients to run models on their own infrastructure without data outflows.
- A high-privacy service, Enterprise Frontier Safeguards, will roll out in the fall.
- Anthropic assures customers that their data has not been inappropriately accessed.
- The new models set records in benchmarks like Terminal-Bench 4.0 and Humanity's Last Exam.
- Three novel scientific findings were generated by the models before release, including a custom GPU optimization and a Venus map.
- Mythos 5.1 is rated 'low-risk' for concerns related to automated AI development.