Model Details
Owner
Anthropic
Released
Jun 2026
Status
Active
Context Length
1.0M
Max Output
128K
Provider
Anthropic
Where is Claude Fable 5 a perfect fit?
Claude Fable 5 is Anthropic’s most capable widely released model, designed specifically for demanding reasoning and long-horizon agentic work. Anthropic positions it above its Opus line for workloads where maximum capability matters more than cost.
- Multi-day autonomous agents that plan, delegate to sub-agents, execute, and verify their own work
- Large software migrations and complex repository-scale engineering
- Difficult coding, debugging, implementation, and prototyping tasks
- Deep research and multi-stage professional analysis
- Enterprise workflows that can be delegated with relatively little supervision
- Complex document analysis involving charts, tables, diagrams, and PDFs
- Scientific and other difficult reasoning-intensive workloads
- Tasks where maximum model capability matters more than minimizing inference cost
- Multi-day autonomous agents that plan, delegate to sub-agents, execute, and verify their own work
- Large software migrations and complex repository-scale engineering
- Difficult coding, debugging, implementation, and prototyping tasks
- Deep research and multi-stage professional analysis
- Enterprise workflows that can be delegated with relatively little supervision
- Complex document analysis involving charts, tables, diagrams, and PDFs
- Scientific and other difficult reasoning-intensive workloads
- Tasks where maximum model capability matters more than minimizing inference cost
Quick Model Estimate
Your GPT-5 Cost Estimate
💰 Total Cost
USD 3.00
for 1000 input + 1000 output tokens
📥 Input (1000 × $10.000000)
USD 1.5000
📤 Output (1000 × $50.000000)
USD 1.5000
Cost Breakdown
📥 Input 50%
📤 Output 50%
Prices updated daily from official provider data.
