Anthropic launches Claude Fable 5.2 and Claude Mythos 5.2
Anthropic launched Claude Fable 5.2, available on the Claude API, Claude Platform on AWS, and Claude Models on Google Cloud. Claude Mythos 5.2 offers the same capabilities only to organizations verified through Anthropic’s verification programs; both models have a 1 million token context window, 128,000 max output tokens, and cost $8 per million input tokens and $40 per million output tokens.
- Context
- 1M
- Max output
- 128K
- Input price
- $8.00
- Knowledge cutoff
- Jun 2026
Claude Developer Platform release notes ↗
Source: Claude Developer Platform release notes, checked Nov 9, 2026. Summarized from the provider’s announcement.