Anthropic released Fable 5 today.
It’s Mythos. “Safer”?
You can’t use it for advanced AI development.
Nor biology. I mean, basic high school biology…Proven so far. Tested myself too. Sad.
Not suitable for critical work.
Shouldn’t be applied to critical industries.
Not because it is not capable, but because it will automatically deny or make up details.
Not my words, their official announcement’s implication.
Updates
Anthropic released Fable 5 today.
June 10, 2026 00:00