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BentoLabs AI (YC X26) — Monitoring and learning layer for long-running agents

BentoLabs is the monitoring and learning layer for long-running agents. We detect when agents silently fail or drift from the user's goal, system prompt, or tool contracts, show affected users and root cause, and suggest the prompt, skill, or harness fix.

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BentoLabs AI

New accelerator entry · 2026-05-27 · the record

Spring 2026
batch
5
people
Early
stage
United States of America
region
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What the record says

BatchSpring 2026
Announced2026-05-27
StageEarly
StatusActive
Team size5
IndustryB2B
Sub-industryB2B
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://bentolabs.ai/
Founded2026
YC group partnerNicolas Dessaigne
Launches posted on YC1

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In their words

BentoLabs is the monitoring and learning layer for long-running agents. We detect when agents silently fail or drift from the user's goal, system prompt, or tool contracts, show affected users and root cause, and suggest the prompt, skill, or harness fix. As more teams deploy agents, keeping them reliable in production becomes mission-critical. Bento sits directly in the production loop and gives teams the operational leverage required to scale agent ecosystems without scaling human firefighting alongside them. The result is a system that turns opaque agents into agents that can be monitored, debugged, and improved continuously. The founders learned this problem at Emergent (YC S24), where they built and operated production coding agents used by 5M+ users. Abhinav was hire #1 and helped Emergent hit SWE-Bench #1 and scale from $0 to $100M ARR in just 8 months. Kaushik was hire #2, led full-stack engineering at Emergent, and was key to building the infrastructure that made production agents reliable, observable, and debuggable. Bento's self-learning engine has also lifted ARC-AGI-3 (internal) by 2.6x and Terminal-Bench 2.0 (internal) from 42.2% to 52.4% pass@1 with the same model, tools, and budget.

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Read from the page's own HTML and response headers on 10 September 2026, at https://bentolabs.ai/. 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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Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News

A Full Report on BentoLabs AI: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on BentoLabs AI 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

    6 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 (bentolabs.ai).

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BentoLabs AI: Accepted into Y Combinator Spring 2026

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Permanent URL: https://mentionfox.com/funding/yc-bentolabs-ai
Last updated 2026-10-07
Primary record: Y Combinator directory entry
BentoLabs AI (YC X26) — Monitoring and learning layer for long-running agents. MentionFox, 2026-10-07. https://mentionfox.com/funding/yc-bentolabs-ai