AI infrastructure

Butter

Website
Founded 2024Origin source ↗Checked 2026-09-15

Overview

Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.

It embeds directly into your local process, providing a safe bash environment without the overhead of VMs or remote infra.

Company description As recorded 2026-11-08

Founders & team

Previously Pig

Company history As recorded 2026-11-08

Erik Dunteman

Founder/CEO

Founder and CEO at Butter.dev (acquired by Modal 2026). I work on sandboxing, filesystems, and virtualization. Previously founded Banana.dev, a serverless GPU platform where we hosted production-critical inference jobs for more than 3,000 AI teams. I run ultras and enjoy travelling with zero plans.

Founder profile As recorded 2026-09-15
2team members reported
Source-reported As recorded 2026-09-15

Founded 2024 · Source

News & product activity

Sources & observations

Hacker News · Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yeardated product or funding activity