Claude Fable 5.1
NewAnthropic · 2026
Highest-capability Anthropic model for demanding long-horizon agents
- Category
- Reasoning
- Context window
- 1M tokens
- Pricing
- Claude API / enterprise access
- Released
- 2026
- Website
- claude.com
Anthropic · 2026
Highest-capability Anthropic model for demanding long-horizon agents