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AI Models & Tools

Explore BIG CHANGE reporting on AI Models & Tools: what changed, how it works and why it matters.

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Analysis

98 stories
Original story: analysis

Jev AI-judge results vary by task and fallback model

Three preprints test Jev as an AI-answer judge. Results vary across preference, rubric and medical tasks, and confidence routing helps only when its fallback corrects Jev errors.

1,239
Original story: analysis

DeepSeek details its DSec sandbox system for agent training

A September research report describes DSec, DeepSeek's sandbox platform for agent training, including multiple backends, composable environments and author-reported deployment scale.

1,183