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Mentlio (YC S26) — Engineering intelligence and token optimization for the AI-Coding era

Mentlio an applied research lab focused on optimizing AI ROI for the modern enterprise. We help engineering teams draw a line between their AI spend and delivery, per engineer.

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Mentlio

New accelerator entry · 2026-08-13 · the record

Summer 2026
batch
0
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2026
Announced2026-08-13
StageEarly
StatusActive
Team size0
IndustryB2B
Sub-industryB2B
SectorsDeveloper Tools, Machine Learning, Productivity
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://mentlio.com
Founded2026
YC group partnerPete Koomen
Launches posted on YC1
Previously known asAdjoint

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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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In their words

Mentlio an applied research lab focused on optimizing AI ROI for the modern enterprise. We help engineering teams draw a line between their AI spend and delivery, per engineer. We then cut ~30% of AI spend via Mentlio's custom ML-based intelligent routing, context optimization, and prompt compression.

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Read from the page's own HTML and response headers on 10 September 2026, at https://www.mentlio.com/. Each badge matched a string the site serves about itself — hover one to see which. Nothing here is a traffic, ranking or revenue figure: those cannot be read off a page and are not claimed.

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What the Full Report on Mentlio 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, and from the company's own site, read directly on 2026-09-06 (mentlio.com).

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Mentlio: Accepted into Y Combinator Summer 2026

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Permanent URL: https://mentionfox.com/funding/yc-mentlio
Last updated 2026-10-10
Primary record: Y Combinator directory entry
Mentlio (YC S26) — Engineering intelligence and token optimization for the AI-Coding era. MentionFox, 2026-10-10. https://mentionfox.com/funding/yc-mentlio