Lotas builds Rao, an AI coding assistant integrated into RStudio for data scientists and statisticians working in R. The tool reads, writes, and edits code while understanding user context including codebases and environment variables. The company positions itself around AI for data science and 3D work. Lotas was part of Y Combinator's Summer 2025 batch and is based in San Francisco.
Lotas
ActiveAI for Data Science and 3D
Total raised
$500K
1 round
Stage
Seed
Jan 2025
Team
1-10
since 2025
Pricing
—
Founded
2025
San Francisco, United States
Agent-ready
—
Rao, an AI coding assistant embedded in RStudio
Reads, writes, and edits R code in context
Full context awareness of codebases and environment variables
Built for data scientists and statisticians working in R
Integrated directly into the RStudio environment
Positioning around AI for data science and 3D work
San Francisco-based team
Y Combinator (Summer 2025) backing
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2025 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
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- What is Rao?
- Rao is Lotas's AI coding assistant integrated into RStudio that reads, writes, and edits R code with full context awareness.
- Who is Lotas for?
- It is built for data scientists and statisticians who work in R within the RStudio environment.
- What context does Rao understand?
- It understands user context including codebases and environment variables to inform its code edits.
- Is Lotas backed by an accelerator?
- Yes, Lotas was part of Y Combinator's Summer 2025 batch and is based in San Francisco.
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