Models · Anthropic
Fable 5
Fable 5 is Anthropic's next-generation frontier model, purpose-built for long-running autonomous agents. It excels at extended multi-step tasks requiring persistent context and strategic planning over hours of operation.
Input $10.00 per 1M tokens
Output $50.00 per 1M tokens
Context 200K tokens · $60.00 combined per 1M
Benchmark performance
Source: Artificial Analysis. Updated 2026-09-20.
Key strengths
- — Best-in-class for long-running agents
- — Exceptional context retention over time
- — Superior strategic planning and reasoning
- — Strong safety alignment and reliability
Best use cases
- Autonomous coding agents running for hours
- Complex research and analysis projects
- Multi-day workflow automation
- Enterprise agent deployments at scale
Pricing details
| Input (per 1M tokens) | $10.00 |
| Output (per 1M tokens) | $50.00 |
| Context window | 200K tokens |
| Architecture | Next-gen Anthropic architecture, 200K context, optimized for extended autonomous operation |
| Provider | Anthropic |
Next-gen, long-running agents
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Pricing data is sourced from official API documentation and updated weekly. Actual costs may vary based on prompt caching, batch processing, service tiers, and regional pricing. Inblix is not affiliated with Anthropic.