Fable 5 is back… here is my plan

Fable 5 is back… here is my plan

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Descriptions:

This interview-style discussion between two AI practitioners focuses on the return of Fable 5 — described as the most capable coding model available — after a brief ban triggered by a security disclosure incident involving an Amazon employee contractually obligated to report AI-identified vulnerabilities to the U.S. government before notifying the model’s developer. The conversation unpacks the nuances of that incident and what it reveals about the tension between model capability for security research and the risk of dual-use exploitation.

A significant portion covers practical multi-agent architecture: the guest recommends using Fable 5 as an orchestrator and planner while delegating execution tasks to smaller, cost-efficient open-source models such as Kimi A 2.7, GLM 5.2, and Minimax — achieving near-Opus-level output at a fraction of the cost. He also describes a custom prompt-rewriting skill he built to avoid triggering safety classifiers when doing legitimate security-adjacent coding work in environments like Cursor, noting that API access via IDE integrations tends to be less restricted than web interfaces.

The discussion also touches on Anthropic’s approach to preventing model distillation — including reports of timezone-based monitoring to detect distillation attempts in Chinese time zones — and broader questions about whether making models smarter inherently reduces the need for hard safety guardrails. The guest argues that regulatory crackdowns risk ceding ground to Chinese open-source alternatives like DeepSeek and GLM.


📺 Source: David Ondrej · Published July 02, 2026
🏷️ Format: Opinion Editorial

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