Business Insider · Apr 2026
Reports the $2.2M seed round, names Focal, Founder Factor, and Pascal Capital among investors, and explains OpenBuilder's fixed subscription model and human developer support approach.
The vibe coding platform where builders actually finish.
Company research
Public company, workplace, funding, and market signals
Overview
OpenBuilder is a YC Fall 2025-backed, San Francisco-based AI app builder for non-technical builders. It lets users plan, build, debug, and deploy full-stack apps in the browser, and positions itself as an open-source alternative to Lovable with free building plus paid human developer support when users get stuck.
Primary product
OpenBuilder, an AI app builder / open-source alternative to Lovable for planning, building, debugging, and deploying full-stack apps
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10
Work style
Flexible
Industry
Technology, Information and Internet
Sub-industry
AI app builder / developer tools
Offices
San Francisco, California, United States
Business model
freemium
subscription
human-in-the-loop services
Funding
Stage
Seed
Total raised
$2.8M
Latest round
Seed · Apr 2026
Latest amount
$2.2M
People & investors
Work & culture
Early-stage, founder-led, high-ownership, builder-focused, and open-source-oriented; the company emphasizes helping users finish projects and shipping with a small team plus contractor support.
Work style
Flexible
Visa sponsorship
Limited
Compensation
Public YC roles show $170K-$220K salary plus 1%-2% equity for U.S.-based founding engineering roles. Other public openings list $60K-$100K and $24K-$30K salaries with equity, suggesting an early-stage startup comp profile with meaningful ownership.
Benefits
Founding-role equity
High-salary engineering roles
Hybrid openings in some geographies
Unlimited build credits on the product
Product & market
Pricing
Free to build / freemium with a paid subscription or upgrade path plus paid human developer support when users get stuck.
Differentiators
- —Open-source positioning
- —Built on VS Code
- —Free to build with unlimited build credits
- —Paid human developer support for debugging / getting unstuck
- —Built-in debugger and visual backend
- —100+ data connectors and API integrations
- —Users can export their full codebase and avoid lock-in
- —Uses optimized open-source models rather than purely credit-based pricing
Technology
TypeScript
React
VS Code Web
VS Code Extensions
Django
PostgreSQL
Fly.io
Google Cloud Platform
Cloudflare
Nginx
Supabase
OpenAI
OpenRouter
DeepSeek
Z.ai
Sentry-style error tracking
Customers
non-technical builders
hobbyists
aspiring entrepreneurs
small businesses
makers
non-technical founders
Competitors
Lovable
Replit
Scale & contact
Estimated monthly visits
8.9K
Latest news
Business Insider Africa · Apr 2026
A republished report of the same financing story, adding detail that OpenBuilder targets non-technical builders and small businesses and uses open-source coding models from Z.ai and DeepSeek.
Y Combinator Launch
Official launch post describing OpenBuilder as an open-source alternative to Lovable, built on VS Code, free to build, with paid help when users get stuck, and open-sourcing plans for the codebase.
Jobs and careers at OpenBuilder
0 jobs at OpenBuilder
No open positions
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