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Posted on • Originally published at paperium.net

A^2FM: An Adaptive Agent Foundation Model for Tool-Aware Hybrid Reasoning

Smart AI That Knows When to Think, Use Tools, or Just Answer

Ever wondered why some chatbots over‑think while others keep asking for extra help? Scientists have created a new kind of AI that can decide on the spot whether to solve a problem by itself, call a handy tool, or simply give a quick answer.
Imagine a helpful robot assistant that first checks if a question is easy—like asking for the weather—and replies instantly, but for tougher tasks it either reasons internally or reaches out to a calculator or search engine, just like you’d pick the right kitchen gadget for a recipe.
This “choose‑your‑mode” trick makes the AI both faster and cheaper to run, cutting the cost of each correct answer by almost half compared with older models.
This breakthrough means smarter virtual helpers that feel more natural and affordable, whether they’re helping you plan a trip, solve a math puzzle, or find a fact online.
It’s a glimpse of a future where AI works like a versatile teammate, always picking the simplest path to get you the answer you need.
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A^2FM: An Adaptive Agent Foundation Model for Tool-Aware Hybrid Reasoning

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