Radius
YC F25San Francisco, US · Founded 2025 · 2 employees · 2 known investors
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Sol is a browser-based IDE that allows developers to run multiple coding agents in parallel within organized tabs, tabs, and workspaces, eliminating context switching between documentation, dashboards, and code terminals.
Also known as Sandbox Technologies INC. · Cheepr.ai · FunForge.ai · Inspector · sandbox.ai · sandbox.ai, Cheepr.ai, FunForge.ai, Inspector, Sol · Sol
Founders & leadership· Y Combinator alumni (F25)
Radius was founded in 2025 by Quentin Romero Lauro and Michael Klikushin.


Investors · 2
How we know: the Y Combinator directory · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
Related companies · 10
Companies working in the same space as Radius.
Legal entities · 1
corporate structureFrequently asked questions
- What does Radius do?
- Sol is a browser-based IDE that allows developers to run multiple coding agents in parallel within organized tabs, tabs, and workspaces, eliminating context switching between documentation, dashboards, and code terminals.
- Who founded Radius?
- Radius was founded by Quentin Romero Lauro, Michael Klikushin in 2025.
- Who are Radius's investors?
- Radius's investors include Y Combinator, Vento.
- Where is Radius headquartered?
- Radius is headquartered in San Francisco, US.












