Top accelerator startups

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14,448 startups · 29 programs

Vespper

Active · The best DOCX MCP for agents to edit microsoft word documents

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 3
  • 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

AIPraximShared: word document, edit, productivityYC W25San FranciscoStartup →AIsync.Shared: word document, saveYC W24San FranciscoStartup →AIGumloopShared: agent builderYC W24San FranciscoStartup →AIParleyShared: legal agentYC S24San FranciscoStartup →AIFlexboneShared: agent builderPlug and PlayUnited StatesStartup →
Companies closest to Vespper
Company
PraximShared: word document, edit, productivityYC W25ActiveAI, Data
sync.Shared: word document, saveYC W24 +1ActiveAI
GumloopShared: agent builderYC W24ActiveAI
ParleyShared: legal agentYC S24ActiveAI
FlexboneShared: agent builderPlug and Play Not statedAI

Adjacent

OtherDocufenShared: microsoft wordAntler 2023AustraliaStartup →AIParsewiseShared: documents, api, mcpYC X25LondonStartup →Developer toolsInactiveFifthTryShared: documents, documentation, productivityYC W21BengaluruStartup →Developer toolsInactiveFileforgeShared: documents, apiYC W24San FranciscoStartup →OtherNanoGrid Technologies, PBCShared: improved performance500 Global GA 25United StatesStartup →
Companies next to Vespper
Company
DocufenShared: microsoft wordAntler 2023Not statedOther
ParsewiseShared: documents, api, mcpYC X25ActiveAI, Devtools
FifthTryShared: documents, documentation, productivityYC W21InactiveDevtools
FileforgeShared: documents, apiYC W24InactiveDevtools
NanoGrid Technologies, PBCShared: improved performance500 Global GA 25Not statedOther

Also from F24 in AI

All of F24
AIAbundantAgent simulation and RL for researchersYC F24San FranciscoStartup →AIArchilThe high-performance file system that connects AI to dataYC F24San FranciscoStartup →AICekuraVoice AI and Chat AI agents: Testing and ObservabilityYC F24San FranciscoStartup →AIConsusThe fastest and cheapest way to use AI with ITAR or CUI data.YC F24San FranciscoStartup →AIEndstackThe complete, collaborative workspace for humans and agentsYC F24Los AngelesStartup →AIFreebuffThe free coding agentYC F24San FranciscoStartup →
Company
AbundantAgent simulation and RL for researchersteam of 7hiringActiveAI, Devtools
ArchilThe high-performance file system that connects AI to datateam of 11ActiveAI, Data, Devtools
CekuraVoice AI and Chat AI agents: Testing and Observabilityteam of 15hiringActiveAI, Devtools
ConsusThe fastest and cheapest way to use AI with ITAR or CUI data.hiringActiveAI, Devtools
EndstackThe complete, collaborative workspace for humans and agentsteam of 2ActiveAI, Devtools
FreebuffThe free coding agentteam of 4hiringActiveAI, Devtools

Founders

  • Topaz TurkenitzFounder/CEO
  • Dudu LasryFounder/CTO

About Vespper

The best DOCX MCP for agents. read and edit docx without having you agents deal with XML. Save on cost, enjoy improved performance. Perfect for regulatory, compliance and legal agent builders dealing with documentation

YC batch
F24 · Fall 2024
Status, per YC
Active
Category
AI, Developer tools
Team size
2
Location
San Francisco, CA, USA; Remote
Founded
2024
Checked
6h ago

YC tags: Documents, Developer Tools, B2B, API, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Vespper in F24: 94 companies, 86% AI

LinkedIn

Vespper: questions

Which YC batch was Vespper in?

Vespper was in Y Combinator's Fall 2024 batch (F24).

Is Vespper still active?

Y Combinator lists Vespper as active.

Who founded Vespper?

Vespper's founders, as listed on its YC page: Topaz Turkenitz (Founder/CEO), Dudu Lasry (Founder/CTO).

Where is Vespper based?

Vespper lists San Francisco, CA, USA; Remote as its location on YC's directory.