Skip to main content
Caplight Logo









OpenBuilder

OpenBuilder

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://theopenbuilder.com/

Last Round

Seed

Apr 9, 2026

Est. Valuation

$1.79M

Total Funding Raised

$3.2M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

OpenBuilder is an artificial intelligence company that provides an open-source platform where non-technical builders can build full-stack applications.

Sector

AI, Data & Cloud Infrastructure

Verticals

Low-Code/No-Code, NLP & Conversational AI, Platform-as-a-Service

Business Model

B2C

Customer Profile

Services & Consulting, Freemium

AI Layer

Application

Keywords

vibe codingai app builderfull-stack web applicationno-code platformai coding assistantopen-source softwareai debuggingexpert developer supportvs codeai agentlow-codeapplication deploymentfreemiumdeveloper tools

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

OpenBuilder Comparables

Compare OpenBuilder with similar companies based on industry and business-model similarity.

OpenBuilder comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Vitara.ai
78%
Meku
76%
Pythagora
73%

OpenBuilder Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedApr 9, 2026
Pre SeedDec 3, 2025
AcceleratorSep 1, 2025

OpenBuilder Investors

Notable investors and investment history

OpenBuilder investors
InvestorRounds
Founder FactorSeed
Y CombinatorPre Seed, Accelerator
focalSeed
Pascal CapitalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 9, 2026

    $2.2M round led by focal

  • Feb 23, 2026

    Grew 150% QoQ from 2 to 5 employees.

OpenBuilder Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

OpenBuilder Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about OpenBuilder's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range4
Year Founded2025
Last FundingApr 9, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?