Claude Mythos 5
AnthropicLanguage modeling/generationQuestion answering
Developed by Anthropic in 2026, Claude Mythos 5 is a language modeling/generation model.
About Claude Mythos 5
Today we’re launching Claude Fable 5: a Mythos-class1 model that we’ve made safe for general use.
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For a small group of cyberdefenders and infrastructure providers, we’re also launching Claude Mythos 5. It’s the same underlying model as Fable
Details
- Provider
- Anthropic
- Task
- Language modeling/generation,Question answering
- Released
- 2026-06-09
- Open weights
- No