Field notes · Vahue research

Insights from the AI-Native frontier

Engineering playbooks, enterprise AI patterns, and lessons from shipping production LLM systems — written by the Vahue team.

What it feels like to work with Fable
Featured·Agentic AI

What it feels like to work with Fable

Claude Fable 5 is a new Mythos-class model for long-horizon agentic work. I tested the shift on the recent Nvidia's "Hack for Impact" hackathon in London — PowerRanger, an EV fleet flexibility agent. While getting a win in the Economics category, got a few quirks.

June 9, 2026·9 min read
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