AI News · 2026-09-22

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An Iterative LangGraph Agent for Text-to-SQL: Natural Language Access to the Chicago Crime Database

arXiv cs.CL ·

Non-technical stakeholders frequently cannot write the SQL needed to extract insights from operational databases. We built and evaluated a Text-to-SQL agent that closes this gap…

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MechaTerp-TRACE: A Novel Approach for Component Ablation Analysis in Language Models

arXiv cs.CL ·

Interpretability research on large language models has produced accounts of factual recall in feed-forward layers and of token relationships in self-attention, but little work o…

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MimicAgent: Quadruped Skills via Prompt-to-Trajectory Generation

arXiv cs.RO ·

We present MimicAgent, a prompt-to-trajectory generation framework for learning dynamic quadruped skills. Although reward shaping is extensively used when training quadruped pol…

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Think Like a World Model, Act Like a VLA: Distilling World-Model Representations into Compact Robot Policies

arXiv cs.RO ·

Vision-Language-Action (VLA) models map observations to actions with no objective that accounts for how the world responds, so their robustness is bounded primarily by data cove…

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Artificial Analysis 评测 Step 5 Preview: Intelligence Index 得 44 分,成本约为同级模型 1/2.8

AIHOT ·

Artificial Analysis 评测阶跃星辰 Step 5 Preview,其在 Artificial Analysis Intelligence Index 得 44 分,与 Kimi K3 (max) 持平,略低于 GLM-5.3 (max) 和 Qwen3.8 Max 的 45 分,每任务成本约 $0.72,约为同级模型(约 $2.00)…

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OpenRouter 解读 NVIDIA Nemotron 3.5 Lightning 如何承担 Agent 高频执行调用

AIHOT ·

OpenRouter 发文解读 NVIDIA 的 Nemotron 3.5 Lightning,这是一款 30B 总参数、约 3B 激活参数的混合专家开源权重模型,定位于工具调用、编码等高频、边界清晰的 Agent 执行步骤,与负责复杂推理的 Nemotron 3 Ultra(550B 总参数、55B 激活)形成分工。

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