Darshan Deshpande

Member of Technical Staff, Research

Darshan is a research scientist at Patronus AI working on text-based world models that let agents train on simulated experience, and he has coauthored TRAIL, MEMTRACK and the reward hack detection benchmark. Before Patronus, he did research on argumentation and logical fallacy detection at USC Information Sciences Institute.

At Patronus· Newest first

Newest first

Papers

“Ganges River Delta”, Bay of Bengal

GlobeBench

A benchmark for whether text world models keep track of state, rules and side effects.

Nicholas Saban, Charvi Bannur, Mariya Vasileva, Darshan Deshpande
arXiv 2610.22708
NeurIPS 2026 Workshop
October 15, 2026
Workshop
globebench
https://arxiv.org/abs/2610.22708
NeurIPS 2026 Workshop
“Melted Colors”, Great Sandy Desert, Western Australia

FigmaTrace

Human design workflows in Figma, captured as training data for creative design tasks.

Darshan Deshpande, Yoshinari Fujinuma, Martyna Markiewicz, Devanshu Bansal, Shivani Jain, Nicholas Saban, Chirag Maheshwari, Anand Kannappan
arXiv 2608.21460
August 20, 2026
figmatrace
https://arxiv.org/abs/2608.21460
“Earth’s Aquarium”, Bering Sea

World Modeling for Agentic RL

A language model that stands in for an environment while an agent trains.

Darshan Deshpande
arXiv 2607.16204
NeurIPS 2026
May 7, 2026
Main
world-modeling-for-agentic-rl
https://arxiv.org/abs/2607.16204
NeurIPS 2026
“Konari, Iran”, Zagros Mountains

DETOUR

A two-agent benchmark for tip-of-the-tongue search across several turns.

Li Siyan, Darshan Deshpande, Anand Kannappan, Rebecca Qian
arXiv 2602.00352
ACL 2026 GEM Workshop
January 30, 2026
Workshop
detour
https://arxiv.org/abs/2602.00352
ACL 2026 GEM Workshop
“Alluvial Fan”, Taklimakan Desert, China

TRACE

54 kinds of reward exploit in code RL, and how well models catch them.

Darshan Deshpande, Anand Kannappan, Rebecca Qian
arXiv 2601.20103
ICML 2026
January 27, 2026
Main
trace
https://arxiv.org/abs/2601.20103
ICML 2026
“A Study in Color”, Kenya

Generative Simulators

Environments that generate their own tasks, world dynamics and rewards.

Rebecca Qian, Darshan Deshpande, Varun Prashant Gangal, Li Siyan
Technical report (PDF)
December 17, 2025
generative-simulators
“Desert Ribbons”, Morocco

MEMTRACK

Testing whether agents keep track of facts spread across workplace tools.

Darshan Deshpande, Varun Prashant Gangal, Hersh Mehta, Anand Kannappan, Rebecca Qian, Peng Wang
arXiv 2510.01353
NeurIPS 2025 Workshop
October 1, 2025
Workshop
memtrack
https://arxiv.org/abs/2510.01353
NeurIPS 2025 Workshop
“Capillaries”, Meta River, Colombia–Venezuela border

TRAIL

A benchmark for finding the step where an agent went wrong.

Darshan Deshpande, Varun Prashant Gangal, Hersh Mehta, Jitin Krishnan, Anand Kannappan, Rebecca Qian
arXiv 2505.08638
May 13, 2025
trail
https://arxiv.org/abs/2505.08638
“Icy Vortex”, Foxe Basin, northern Canada

BLUR

573 tip-of-the-tongue questions that need search, reasoning and tool use.

Sky CH-Wang, Darshan Deshpande, Smaranda Muresan, Anand Kannappan, Rebecca Qian
arXiv 2503.19193
ACL 2025
March 24, 2025
Main
blur
https://arxiv.org/abs/2503.19193
ACL 2025
“Slessor Glacier”, Antarctica

GLIDER

A small, explainable judge model for grading LLM interactions.

Darshan Deshpande, Selvan Sunitha Ravi, Sky CH-Wang, Bartosz Mielczarek, Anand Kannappan, Rebecca Qian
arXiv 2412.14140
December 18, 2024
glider-sota-slm-judge
https://arxiv.org/abs/2412.14140

Posts

Corona Arch, Moab, Utah. Photo: Vulturesong (CC0)

Introducing FigmaTrace: A Comprehensive Training Dataset for Figma Design Workflows

August 20, 2026
·
Research
figmatrace-a-comprehensive-training-dataset-for-figma-design-workflows
Darshan Deshpande
Anand Kannappan
Alabama Hills and the Sierra Nevada, California. Photo: Bureau of Land Management, California (public domain)

Introducing Generative Simulators: Autonomously Scaling Environments for Agents

December 17, 2025
·
Research
introducing-generative-simulators
Rebecca Qian
Darshan Deshpande
Varun Prashant Gangal
Ice cave, Mendenhall Glacier, Alaska. Photo: Forest Service Alaska Region, USDA (public domain)

Introducing MEMTRACK: A Benchmark for Agent Memory

October 14, 2025
·
Research
memtrack
Darshan Deshpande
Varun Prashant Gangal
Kelso Dunes, Mojave, California. Photo: NPS, Joshua Tree National Park (public domain)

Introducing TRAIL: A Benchmark for Agentic Evaluation

June 5, 2025
·
Research
introducing-trail-a-benchmark-for-agentic-evaluation
Darshan Deshpande

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