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Sciloop (YC F25) — Expert STEM reasoning data for frontier AI labs

Sciloop creates expert-level math and physics problems that frontier AI models can't solve, then sells the data to AI labs for training and evaluation. Our problems are created by IPhO and IMO medalists — the top 0.01% of STEM talent globally.

Sciloop is a Y Combinator company in the Fall 2025 batch. Its directory entry describes it as: Expert STEM reasoning data for frontier AI labs. The founders listed are Bilal Asmatullah (Founder/CEO), Osman Siddique (Founder) (Y Combinator directory entry, October 23, 2025).

6 more companies from YC Fall 2025 ↓

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Sciloop

New accelerator entry · 2025-10-23 · the record

Fall 2025
batch
6
people
Early
stage
United States of America
region
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What the record says

BatchFall 2025
Announced2025-10-23
StageEarly
StatusActive
Team size6
IndustryB2B
Sub-industryB2B -> Infrastructure
SectorsMarketplace, Data Labeling, Big Data, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://sciloop.dev
Previously known asSciLoop

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Also in YC Fall 2025

Same batch, B2B first.

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In their words

Sciloop creates expert-level math and physics problems that frontier AI models can't solve, then sells the data to AI labs for training and evaluation. Our problems are created by IPhO and IMO medalists — the top 0.01% of STEM talent globally. On our benchmark, models like GPT 5.4 Pro and Gemini 3.1 Pro score 0-5% on our hardest problems. We work with AI labs to supply continuous, fresh training data that pushes the frontier of mathematical and scientific reasoning. Founded by Bilal and Osman, International Physics Olympiad medalists from MIT with hands-on ML research experience at MIT CSAIL.

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Sciloop: Accepted into Y Combinator Fall 2025
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Permanent URL: https://mentionfox.com/funding/yc-sciloop
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Sciloop (YC F25) — Expert STEM reasoning data for frontier AI labs. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-sciloop