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[ARTICLE · art-26406] src=runtimewire.com ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Head to Head: Claude Fable 5 vs ChatGPT 5.5

Kilo Code published a model test Saturday comparing Claude Fable 5 and ChatGPT 5.5, finding Claude Fable 5 strongest at planning, but the model is already offline due to a U.S. export control directive. The test, conducted inside Kilo Code's own agentic coding product, offers a sharper comparison than typical leaderboards.

read1 min publishedJun 13, 2026

Kilo Code published a fresh model test Saturday that lands at an inconvenient moment for Anthropic: Claude Fable 5, the model Kilo found strongest at planning, is already offline after a U.S. export control directive. The test, written by Darko and Job Rietbergen on the Kilo Blog, is not an independent benchmark. It is a company run comparison inside Kilo Code CLI, Kilo's own agentic coding product. But the result is useful because it asks a sharper question than most model leaderboards: not ...

source & further reading
runtimewire.com — original article David Sacks Steps Into Anthropic's Fable 5 Export-Control Fight Anthropic shuts off Fable 5 and Mythos 5 after US export-control order Startup Spotlight: Apollo Atomics Is the Nuclear Startup to Watch in the AI Power Panic
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