AIAnthropic4 days ago
Claude Fable 5 and Claude Mythos 5
1 min read
Anthropic ships two new fifth-generation Claude models. Fable 5 tops benchmarks including SWE-Bench Pro at 80.3 percent and FrontierCode at 29.3 percent. Mythos 5 drops safety restrictions for select partners in cybersecurity. Stripe reports Fable 5 completed a 50-million-line Ruby migration in one day.
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