Runtime

Sandboxed coding agents for everyone on your team.

Y CombinatorSpring 2026ActiveB2BEngineering, Product and DesignArtificial IntelligenceDeveloper Tools

What they do

Problem

Engineering leaders lack control, visibility, and safety boundaries when deploying coding agents across teams, especially for non-engineers touching production code.

Solution

Runtime provides sandboxed environments with session-level observability and configurable guardrails for securely using coding agents to build and change software.

Who it's for

Engineering teams and their cross-functional teammates at fast-growing tech companies using coding agents to contribute to codebases or build production apps.

Founders

Gus Trigos

Founder

Building Runtime (http://runtm.com) | Prev. Mentum (YC S21, acqud.)

LinkedIn · X

Carlos Volante

Founder

Carlos is the co-founder and CTO of Runtime. At Modern Treasury, he scaled the platform to $350B in annual payments volume and $1T in reconciliation volume with 99.995% automation using a proprietary self-hosted LLM. At Finix, he took merchant underwriting from idea to six-figure revenue, $1B+ in transaction volume, five nines of availability, and direct integrations with all major credit cards. At Hulu, he rebuilt billing infrastructure for live PPV events across 35M+ subscribers.