# Claude Mythos 5.2

Claude Mythos 5.2 is a model from Anthropic, released on 9 Nov 2026. Pricing is $8.00 per million input tokens and $40.00 per million output tokens.

- Developer: Anthropic
- Id: claude-mythos-5-2
- Reported: 2026-11-09T00:00:00.000Z
- Released: 2026-11-09T00:00:00.000Z
- Sighting: 2026-11-09T19:09:21.423Z
  - [evidence link](https://platform.claude.com/docs/en/about-claude/pricing)
- Status: Released
- Limited access: 2026-11-09
  - [evidence link](https://www.anthropic.com/claude-fable-and-mythos-5-2)
- Product update: 2026-11-09
  - [evidence link](https://www.anthropic.com/claude-fable-and-mythos-5-2)
- Canonical: https://alexgetman.com/models/anthropic/claude-mythos-5-2/

## Questions

### How much does Claude Mythos 5.2 cost?

Pricing is $8.00 per million input tokens and $40.00 per million output tokens. Cached input is $0.20 per million.

### When was Claude Mythos 5.2 released?

On 9 Nov 2026.

## Timeline

- 2026-11-12T20:23:08.041Z · [Anthropic · official articles](https://www.anthropic.com/claude-fable-and-mythos-5-2)

## Evidence links

- [GitHub · anthropics/anthropic-sdk-python · code](https://github.com/anthropics/anthropic-sdk-python/commit/8a168a88e6bccd17ee14941510e303780a0ea84a)
- [anthropic-pricing](https://platform.claude.com/docs/en/about-claude/pricing)
- [anthropic-model-index](https://platform.claude.com/docs/en/models/mythos-5-2/overview)
- [anthropic-articles](https://www.anthropic.com/claude-fable-and-mythos-5-2)

## Signals

- [Claude Mythos 5.2 spotted on GitHub](https://alexgetman.com/signals/2026/11/09/claude-mythos-5-2/)