Anthropic
Cyber
Big
Closed weights
Claude Mythos 5.2
3 days since Anthropic announced it ·
Claude Mythos 5.2 is a closed-weights cyber model from Anthropic, announced 9 Nov 2026. It costs $8 per 1M input tokens and $40 per 1M output tokens. Its context window is 1M tokens.
- Input
- $8
- per 1M tokens
- Cache write
- $10
- per 1M tokens
- Cache read
- $0.20
- per 1M tokens
- Output
- $40
- per 1M tokens
- Context window
- 1M
- tokens
- Parameters
- —
- not disclosed
- Announcement
- anthropic.com/claude-fable-and-mythos-5-2
- Docs
- platform.claude.com/docs/en/models/mythos-5-2/overview
- Our story
- Our story
Our coverage
1 storyAnthropic · Big · Mythos
closed weights- Claude Mythos 5.2 +55d
- Claude Mythos 5.1 +98d
- Claude Mythos 5
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All modelsFacts last updated , from Anthropic’s own pages.