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idler raises $9M in Seed funding led by Paradigm to expand its machine learning research and scale infrastructure.

PRIVATEAug 21, 2026

Amount Raised

$9 Million

Round Type

Seed

San FranciscoSoftwareArtificial IntelligenceCyber SecurityMachine Learning

Investors

Y CombinatorManish ChandraCatheryn LiDan PoschJanine LegerLynett CapitalFeross AboukhadijehNur BazylbekovSmaiyl MakyshovParadigm

Description

idler, a San Francisco-based frontier data research lab, raised $9M in seed funding. The round was led by Paradigm, with participation from Y Combinator and several angel investors. The company will use the capital to enhance its research team and accelerate the development of AI evaluation datasets. Additionally, idler launched ShelfLife, a benchmark for testing autonomous financial agents.

Quick answer

idler raised $9 Million in a Seed round, dated August 21, 2026. Investors: Y Combinator, Manish Chandra, Catheryn Li, Dan Posch, Janine Leger, Lynett Capital, Feross Aboukhadijeh and Nur Bazylbekov. idler is based in San Francisco, California, United States.

How much did idler raise?
idler raised $9 Million in a Seed round on August 21, 2026.
Who invested in idler?
Y Combinator, Manish Chandra, Catheryn Li, Dan Posch, Janine Leger, Lynett Capital, Feross Aboukhadijeh and Nur Bazylbekov are named as investors in this round.
What does idler do?
idler is a frontier data research lab and artificial intelligence evaluation platform based in San Francisco, CA.
Where is idler based and how big is it?
idler is based in San Francisco, California, United States. Fundz records about 14 employees.
Who are the decision-makers at idler?
Fundz holds 2 contacts at idler, including the Founder. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Cyber Security and Software around the same time

Companies in the same sectors as idler that raised within 45 days of this round, from Fundz verified event records.

  • IPercept raised $17M (Series A) on September 29, 2026.
  • MIND Security raised $72M (Series B) on September 17, 2026.
  • Bynario raised $2.4M (Pre-Seed) on September 10, 2026.
  • Aslan Protects raised $21M (Seed) on September 2, 2026.
  • Prevalent AI raised $22M on August 19, 2026.
  • Kyvvu raised $1.2M (Pre-Seed) on August 19, 2026.

Who to call at idler, and when

A new round usually means idler is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

idler

Location

San Francisco, California, United States

About

idler is a frontier data research lab and artificial intelligence evaluation platform based in San Francisco, CA. The company develops a comprehensive evaluation and benchmarking platform that builds advanced evaluation suites, programmatic datasets, and interactive reinforcement learning environments utilized by global AI labs. It focuses on specialized software engineering, cybersecurity, recursive self-improvement, and enterprise safety testing beds.

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Related People

2 contacts
Verified contactsNalu C., Founder hiddenSee plans and pricing
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idler raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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