Anthropic
LLM
Big
Closed weights
Claude Fable 5.2
3 days since Anthropic announced it ·
Claude Fable 5.2 is a closed-weights LLM 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/fable-5-2/overview
- Our story
- Our story
Our coverage
1 storyAnthropic · Big · Fable
closed weights- Claude Fable 5.2 +69d
- Claude Fable 5.1 +84d
- Claude Fable 5
More from Anthropic
All models- Claude Mythos 5.2
- Claude Haiku 5.5
- Claude Sonnet 5.5
- Claude Opus 5.5
- Claude Mythos 5.1
- Claude Opus 5
- Claude Sonnet 5
- Claude Mythos 5
Tools that picked it up
- Claude Code 2.1.321 same day
- Copilot 1.0.109 +1d
Facts last updated , from Anthropic’s own pages.