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14,448 startups · 29 programs

Monte

Active · Specialized Models for Agents

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 5
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

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

Competitors

AIhillclimbShared: recursive self, self improvement, reinforcement learningYC F25San FranciscoStartup →AIMiruvor AIShared: continual learning500 Global SF 37United StatesStartup →AIegoShared: applied research, lab building, research labYC W24San FranciscoStartup →AIAshrShared: continual learning, reinforcement learning, selfYC W26San FranciscoStartup →AIZettascale ComputingShared: recursive self, self improvement, infrastructureYC S24San FranciscoStartup →
Companies closest to Monte
Company
hillclimbShared: recursive self, self improvement, reinforcement learningYC F25ActiveAI, Devtools
Miruvor AIShared: continual learning500 Global SF 37Not statedAI
egoShared: applied research, lab building, research labYC W24ActiveAI
AshrShared: continual learning, reinforcement learning, selfYC W26ActiveAI, Data
Zettascale ComputingShared: recursive self, self improvement, infrastructureYC S24ActiveAI, Devtools

Adjacent

AICashew LabsShared: recursive self, self improvementYC X25San FranciscoStartup →AIProper MotionShared: continual learning, agent, buildingspeedrun SR007San FranciscoStartup →AIAutoresearch, Inc.Shared: continual learning, reinforcement learning, infrastructureYC S26San FranciscoStartup →AINormalShared: applied research, research labYC S25San FranciscoStartup →AIAfterQueryShared: applied research, research labYC W25San FranciscoStartup →
Companies next to Monte
Company
Cashew LabsShared: recursive self, self improvementYC X25ActiveAI, Devtools
Proper MotionShared: continual learning, agent, buildingspeedrun SR007Not statedAI
Autoresearch, Inc.Shared: continual learning, reinforcement learning, infrastructureYC S26ActiveAI, Devtools
NormalShared: applied research, research labYC S25ActiveAI
AfterQueryShared: applied research, research labYC W25ActiveAI, Data, Devtools

Also from S25 in AI

All of S25
AIDedalus LabsPersistent computers for AI agentsYC S25San FranciscoStartup →AIidlerHill-climb any benchmark, for any model, in any domain.YC S25San FranciscoStartup →AIKERNELCrazy fast, open source infra for AI agents to use the InternetYC S25San FranciscoStartup →AILilacWe sell GPUs.YC S25San FranciscoStartup →AILLM StatsIndependent AI evaluations labYC S25New York CityStartup →AIMagnitudeRun open models as fast as your hardware allowsYC S25San FranciscoStartup →
Company
Dedalus LabsPersistent computers for AI agentsteam of 8hiringActiveAI, Devtools
idlerHill-climb any benchmark, for any model, in any domain.team of 12hiringActiveAI, Devtools
KERNELCrazy fast, open source infra for AI agents to use the Internetteam of 22ActiveAI, Devtools
LilacWe sell GPUs.team of 4ActiveAI, Devtools
LLM StatsIndependent AI evaluations labteam of 2ActiveAI, Devtools
MagnitudeRun open models as fast as your hardware allowsteam of 2ActiveAI, Devtools

Founders

  • Henry BaeFounder/CEO
  • Alex FleuryFounder/COO
  • Jamin LiuFounder

About Monte

Monte is an applied research lab building products for model post-training and continual learning.

YC batch
S25 · Summer 2025
Status, per YC
Active
Category
AI, Developer tools
Team size
2
Location
San Francisco, CA, USA
Founded
2025
Checked
6h ago

YC tags: Reinforcement Learning, B2B, Infrastructure, AI

Changes seen

One-linerNov 9, 2026

Rewrote its one-liner; it read "Continual Learning for Agents"

Source ↗
Team sizeNov 2, 2026

Team went from 3 to 2 people.

Source ↗

Monte in S25: 166 companies, 92% AI

LinkedIn

Monte: questions

Which YC batch was Monte in?

Monte was in Y Combinator's Summer 2025 batch (S25).

Is Monte still active?

Y Combinator lists Monte as active.

Who founded Monte?

Monte's founders, as listed on its YC page: Henry Bae (Founder/CEO), Alex Fleury (Founder/COO), Jamin Liu (Founder).

Where is Monte based?

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