> ## Content Index
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# Claude Fable Beats GPT-4 in Proactive Reasoning Tests
- URL: https://wire.fourthweb.ai/claude-fable-beats-gpt-4-in-proactive-reasoning-tests/
- Published: 2026-06-12T07:02:59.000Z
- Updated: 2026-06-12T07:03:00.000Z
- Author: Travis Wright
- Tags: AI Agent Economy, AI Agents, OpenAI, Anthropic

### Sources

[Hacker News Best](https://simonwillison.net/2026/Jun/11/fable-is-relentlessly-proactive/?ref=wire.fourthweb.ai)