Claude Fable 5 now available on AI Gateway
Quick Answer
Claude Fable 5 from Anthropic is now available on AI Gateway, enhancing performance on complex tasks with improved first-shot correctness and reduced human intervention.
Quick Take
The model features built-in classifiers to mitigate misuse risks and retains prompts for 30 days without zero data retention support. AI Gateway offers a unified API for model management without platform fees.
Key Points
- Fable 5 excels in long-running, multi-step tasks with higher first-shot correctness.
- Built-in classifiers prevent misuse in cybersecurity and biology applications.
- Prompts and completions are retained for 30 days, with no zero data retention.
- AI Gateway offers a unified API for model usage tracking and cost management.
- No platform fees on inference, including Bring Your Own Key requests.
Source Excerpt
Claude Fable 5 from Anthropic is now available on. A Mythos-class model, Fable 5 is a notable step up over prior Claude models on long-running, ambiguous, multi-step tasks, executing end-to-end on work that previously required frequent human check-ins. AI GatewayThe model sustains productive output across multi-day runs and dependably dispatches parallel sub-agents, and lower effort settings often match what prior Claude models produced at their highest effort. …
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from Vercel AI
See more →
The Agent Stack
The Agent Stack by Vercel AI provides essential building blocks for creating production-grade agents, enabling seamless integration across multiple AI models and secure operations. It features components like AI Gateway for model routing, Workflow SDK for durable execution, and Vercel Connect for scoped access, streamlining agent development and deployment across various platforms.
