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Varun Singh

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#machine learning Preprint Sep 2026

DeFiFlowBench: Benchmarking and Improving Safe Executability in Natural-Language DeFi Workflow Synthesis

The proposed Koan-Safe, which combines a prompt-only intent parser, a replaceable generator, and structural repair with default safety parameters, is proposed, which supports explicit trade protections and execution-based evaluation, while distinguishing declared safety from a general guarantee.

Abhinav Kumar, Harshit Arora, Varun Singh et al. · 0 citations
#artificial intelligence Review Aug 2026

Nemotron 3.5 Content Safety Moderator: A Compact Multimodal, Multilingual, and Reasoning Enabled Content Safety Moderator

Nemotron 3.5 CS demonstrates a practical coverage tradeoff: it adds image-conditioned and policy-conditioned moderation while remaining broadly competitive with specialized guard models, suggesting that compact vision-language moderators can serve as deployable front-line safety components.

Varun Singh, Anuj Doshi, Makesh Narsimhan Sreedhar et al. · 1 citation

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