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mlop (YC X25) — Experiment tracking for training ML models

A fully open-source, performant and actionable ML model training platform

mlop is a Y Combinator company in the Spring 2025 batch. Its directory entry describes it as: Experiment tracking for training ML models. The founder listed is Stephen Sun (Founder/CTO) (Y Combinator directory entry, May 9, 2025).

6 more companies from YC Spring 2025 ↓

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mlop

New accelerator entry · 2025-05-09 · the record

Spring 2025
batch
2
people
Early
stage
United Kingdom
region
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What the record says

BatchSpring 2025
Announced2025-05-09
StageEarly
StatusActive
Team size2
IndustryB2B
Sub-industryB2B
SectorsAIOps, Developer Tools, Machine Learning, SaaS
RegionsUnited Kingdom, Europe
BasedLondon, England, United Kingdom
HiringNo
Sitehttps://mlop.ai
Founded2025
YC group partnerAaron Epstein

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Also in YC Spring 2025

Same batch, B2B first.

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In their words

A fully open-source, performant and actionable ML model training platform

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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

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What the Full Report on mlop covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    7 cited sources found

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Sourced from the company's Y Combinator directory entry, from the company's own site, read directly on 2026-09-27 (mlop.ai), and from the public GitHub account that record links to (mlop-ai).

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mlop: Accepted into Y Combinator Spring 2025
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Permanent URL: https://mentionfox.com/funding/yc-mlop
Last updated 2026-10-20
Primary record: Y Combinator directory entry
mlop (YC X25) — Experiment tracking for training ML models. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-mlop