Mythos 5.1
Version 5.1 of the Mythos series large language models, representing an iterative update built on version 5.0. It is currently in a limited grey-scale testing phase; the developer and detailed architectural information have not been publicly disclosed.
Timeline (last 90 days)
A Reddit user stated that they gained access to Mythos 5.1 and described it as a 'monster'.
Mythos 5.1 is currently in a gray-scale testing (early access) phase, open to only a small number of users.
The Reddit post provided no specific test tasks, quantifiable benchmark data, or comparative results.
Judging from the version number, Mythos 5.1 should be an iterative update built on 5.0, which typically implies performance optimization rather than a disruptive architectural change.
Anthropic released two models on September 2nd, Fable 5.1 and Mythos 5.1, which share the same set of base model weights but differ in safety policies and access scope.
When Mythos 5.1 uses tools for protein design, approximately half of the designed solutions are usable.
All Facts (6)
Mythos 5.1 is currently in a gray-scale testing (early access) phase, open to only a small number of users.
50%UnverifiedThe Reddit post provided no specific test tasks, quantifiable benchmark data, or comparative results.
50%UnverifiedJudging from the version number, Mythos 5.1 should be an iterative update built on 5.0, which typically implies performance optimization rather than a disruptive architectural change.
50%UnverifiedWhen Mythos 5.1 uses tools for protein design, approximately half of the designed solutions are usable.
50%UnverifiedA Reddit user stated that they gained access to Mythos 5.1 and described it as a 'monster'.
50%UnverifiedAnthropic released two models on September 2nd, Fable 5.1 and Mythos 5.1, which share the same set of base model weights but differ in safety policies and access scope.
50%