Aug 3, 2026 · Artificial Intelligence

NaviAgent: Tool Orchestration for Oxygen Agents via LLM Planning and Graph Navigation

Large language models struggle with multi‑tool tasks due to lack of global planning; NaviAgent introduces a dual‑layer architecture that separates LLM‑driven interaction decisions from a graph‑based tool navigation model, enabling stable, efficient orchestration of thousands of APIs and achieving higher task success rates across benchmarks.

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NaviAgent: Tool Orchestration for Oxygen Agents via LLM Planning and Graph Navigation

AI Engineering

Jan 19, 2026 · Artificial Intelligence

How We Built a Self‑Evolving AI System Without Reward Functions

The Oxford study demonstrates that large language models can self‑evolve through a four‑step deploy‑validate‑filter‑inherit loop, eliminating handcrafted reward functions, and achieves dramatic performance gains on Blocksworld, Rovers, and Sokoban while providing theoretical proof of equivalence to REINFORCE.

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How We Built a Self‑Evolving AI System Without Reward Functions