The company publicly pivoted from an AI SRE/on-call product to a regulated-documents workspace for pharma and medtech, indicating a material change in product direction.
SourcePublic company, workplace, funding, and market signals
Updated Jul 30, 2026
YC F24 startup building a DOCX MCP / AI document editor that turns agent output and source material into tracked, review-ready Word documents; current emphasis is regulated life-sciences and technical documentation.
Primary product
vespper-docx-mcp / AI document editor for regulated Word workflows
Founded
2024
Headquarters
San Francisco, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
AI document automation for regulated workflows
Offices
0 jobs at Vespper
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Business model
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Sep 2024
Latest amount
$500K
Sep 2024
Investors
Founder-led, small-team, open-source, and community-driven; support channels include GitHub Discussions and Slack, with strong emphasis on self-hosting and data ownership.
Pricing
Free/open-source self-hosting with a paid vespper-ee / enterprise path; the site offers 'Start for free' and 'Talk to founders'.
Differentiators
Technology
Customers
Competitors
Estimated revenue
≈$440K ARR (estimated, third-party)
Estimated monthly visits
1.3K
Traffic estimate as of Sep 2025
The company publicly pivoted from an AI SRE/on-call product to a regulated-documents workspace for pharma and medtech, indicating a material change in product direction.
SourceTopaz T. · Jul 2026
Describes the company’s target customers as agent builders in legal, healthcare, and government and frames the product around token efficiency and AI adoption in those workflows.
Vespper (YC F24) · Oct 2025
Promoted its AI workspace for regulatory teams, emphasizing faster authoring, review, and compliance across global submissions.
Vespper (YC F24) · Sep 2025
Shared a live product demo focused on accelerating regulatory documents, including a first draft of an ICH CTD Module 2 summary in under two minutes.
Dudu Lasry · Aug 2025
Explains the pivot away from AI SRE toward regulated-document workflows for pharma, medtech, and biotech, including drafting IND/BLA/CSR/510(k) documents and search across FDA databases.
Vespper (YC F24) · Sep 2024
Announced the rebrand from Merlinn to Vespper and the company’s acceptance into Y Combinator Fall 2024, with an opening for an additional pilot slot.