LinkedIn · Jul 2026
Post announcing Selenium and free access for academic and non-profit users; CEO Zlatko explains the product's workflow.
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
b12 Labs is a YC S25, San Francisco-based startup building an AI-powered chemical synthesis and lab automation platform for pharma and biotech. Its product stack combines Selenium, Palladium, Cobalt, and Cloud Reactions to move from natural-language intent to synthesis planning, reaction optimization, and robotic execution.
Primary product
AI-powered chemical synthesis platform (Selenium, Palladium, Cobalt)
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10 employees
Industry
Technology, Information and Internet
Sub-industry
AI-powered chemical synthesis and lab automation
Offices
Business model
Stage
pre-seed
Total raised
$625K
Latest round
Pre-Seed · Oct 2025
Latest amount
$500K
Oct 2025 · Y Combinator
Aug 2025
Jan 2025
Leadership
Co-Founder & CEO
Co-Founder & CTO
Research Scientist
Investors
Small, research-led, full-stack team focused on chemistry, AI agents, and lab automation; emphasizes vendor-agnostic tooling, no-code workflows, and turning molecules from intent into experiment.
Visa sponsorship
Limited
Compensation
Public job postings show a Founding Software Engineer role in San Francisco at $100K-$150K salary plus 0.50%-2.00% equity; posting says US citizen/visa only and asks for 6+ years of experience.
Pricing
Self-serve SaaS plus quote-based synthesis/execution services and pilots
Differentiators
Technology
Customers
Competitors
Estimated revenue
≈$170K-$220K ARR (third-party estimates; not company-disclosed)
Estimated monthly visits
2.5K
Traffic estimate as of Jul 2026
LinkedIn · Jul 2026
Post announcing Selenium and free access for academic and non-profit users; CEO Zlatko explains the product's workflow.
LinkedIn · Jul 2026
Launch post for Selenium describing it as an agentic retrosynthesis system that develops practical synthesis routes from purchasable starting materials.
b12 Labs blog · May 2026
Launch post for Palladium, described as an HTE-ready plate designer for turning proposed chemical transformations into grounded experimental plans.
b12 Labs blog · Feb 2026
Conference post positioning the product as an agentic AI for labs and highlighting Automation Copilot, Plate Designer, and Synthesis Expert.
b12 Labs blog · Aug 2025
Official launch post describing the startup as a full-stack AI platform for lab automation and experiment planning, founded by Zlatko Joncev and Andres M. Bran.