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14,448 startups · 29 programs

Erinys

Active · We help lawyers start and scale AI-native law firms.

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 7
  • went through YCProgram · this site+4
  • team of 3Team size · YC's directory+3.1

A sum of public facts, not a judgement and not investment advice.

Competitors

AIRelawShared: law firm, legal, nativeYC F25Los AngelesStartup →AIOpenIntakeShared: law firm, legaltechYC W25New York CityStartup →AIPraxisShared: law firm, legaltech, lawyerYC F26San FranciscoStartup →AIBlueshoeShared: law firm, legaltech, nativeYC X25San FranciscoStartup →AICaseflood.aiShared: law firm, legal, intakeYC W25MiamiStartup →OtherHarveyShared: law firm, legalStartup →
Companies closest to Erinys
Company
RelawShared: law firm, legal, nativeYC F25ActiveAI
OpenIntakeShared: law firm, legaltechYC W25ActiveAI
PraxisShared: law firm, legaltech, lawyerYC F26ActiveAI
BlueshoeShared: law firm, legaltech, nativeYC X25ActiveAI
Caseflood.aiShared: law firm, legal, intakeYC W25ActiveAI
Harveynot in a program hereShared: law firm, legalElsewhereOther

Adjacent

OtherPleadShared: law firmAntler 2022KoreaStartup →AIPearson LabsShared: law firm, legaltechYC F24San FranciscoStartup →AIPointOneShared: law firm, legal, nativeYC W24New York CityStartup →AILexter.aiShared: law firm, legaltechYC W22São PauloStartup →AIGeneral LegalShared: law firm, legalYC W26Startup →
Companies next to Erinys
Company
PleadShared: law firmAntler 2022Not statedOther
Pearson LabsShared: law firm, legaltechYC F24ActiveAI
PointOneShared: law firm, legal, nativeYC W24ActiveAI, Devtools
Lexter.aiShared: law firm, legaltechYC W22ActiveAI
General LegalShared: law firm, legalYC W26ActiveAI

Also from S26 in AI

All of S26
AIPerceptron MLWe make law firms AI-native.YC S26San FranciscoStartup →AITarifflo Inc.Supply chain compliance and cost savingsYC S26Salt Lake CityStartup →AI6thSenseNervous System for Physical AIYC S26San FranciscoStartup →AI83 SciencesAI-native materials discovery powered by unpublished experimental dataYC S26San FranciscoStartup →AIAgentcardlet agents buy anything onlineYC S26San FranciscoStartup →AIAgnost AIWe find where AI agents fail, then train better models to run them.YC S26San FranciscoStartup →
Company
Perceptron MLWe make law firms AI-native.team of 2ActiveAI
Tarifflo Inc.Supply chain compliance and cost savingsteam of 5ActiveAI
6thSenseNervous System for Physical AIteam of 4ActiveAI
83 SciencesAI-native materials discovery powered by unpublished experimental datateam of 3hiringActiveAI
Agentcardlet agents buy anything onlineteam of 4ActiveAI
Agnost AIWe find where AI agents fail, then train better models to run them.2 programsteam of 2ActiveAI, Data, Devtools

Founders

  • Sasha ZyuzinFounder/CEO
  • Jason GuoFounder
  • Matthew PallanFounder/CTO

About Erinys

Erinys provides the technology, intake, back office, and client acquisition needed to launch and scale an AI-native law firm. Lawyers own their firms and make every legal decision; Erinys handles everything around them.

YC batch
S26 · Summer 2026
Status, per YC
Active
Category
AI
Team size
3
Location
San Francisco, CA, USA
Founded
2026
Checked
7h ago

YC tags: Legal, LegalTech, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Erinys in S26: 229 companies, 88% AI

LinkedIn

Erinys: questions

Which YC batch was Erinys in?

Erinys was in Y Combinator's Summer 2026 batch (S26).

Is Erinys still active?

Y Combinator lists Erinys as active.

Who founded Erinys?

Erinys's founders, as listed on its YC page: Sasha Zyuzin (Founder/CEO), Jason Guo (Founder), Matthew Pallan (Founder/CTO).

Where is Erinys based?

Erinys lists San Francisco, CA, USA as its location on YC's directory.