On Thursday, Anthropic launched Claude Opus 4.8, the latest and most advanced version of its flagship AI model. It’s ...
The new Claude Opus 4.8 is a "modest but tangible improvement," but a Mythos model you can use may be just weeks away.
Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.