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§ Private Profile · San Francisco, CA, USA
AI infrastructure company providing bVisor, a lightweight sandbox runtime for AI teams, focused on safe AI agent execution.
Butter has raised $12.0M across 2 funding rounds.
Key people at Butter.
Butter was founded in 2024 by Erik Dunteman (Founder).
Butter has raised $12.0M in total across 2 funding rounds.
Butter is an artificial intelligence infrastructure startup that develops bVisor, a lightweight sandbox runtime designed to provide a secure local execution environment for autonomous AI agents interfacing with business applications. The software platform embeds directly into local processes to offer a safe bash environment, effectively eliminating the computational overhead and latency typically associated with traditional virtual machines or remote infrastructure. Currently operating with a lean team of two employees, the early-stage company was selected to participate in the Y Combinator Winter 2025 accelerator batch under the guidance of primary partner Jared Friedman. The technology targets engineering teams building agentic workflows, drawing on the founder's prior experience developing infrastructure at Modal.com and Banana.dev, a serverless GPU platform previously utilized by over 3,000 artificial intelligence teams. Butter was officially founded in 2024 by chief executive officer Erik Dunteman.
Key people at Butter.
Butter has raised $12.0M across 2 funding rounds. Most recently, it raised $9.0M Series A in November 2022.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Nov 1, 2022 | $9M Series A | WEN WEN LAM | ALT Capital, Arrive, Ascend Vietnam Ventures, Basis SET Ventures, Bond, Coatue, CRV, General Catalyst, Gradient Ventures, Khosla Ventures, Liquid 2 Ventures, MizMaa Ventures, Hans Tung, Outcast Ventures, Peterson Partners, SciFi VC, Soma Capital, Arash Ferdowsi, Bernard Arnault, Claire Hughes Johnson, Frederic Kerrest, Jenna Hannon, JON KOL, Mathilde Collin, Sahin Boydas, Theresa Johnson, Tony XU, Jack Altman, Notation Capital, Uncommon Capital | Announced |
| Apr 1, 2021 | $3M Seed | Project A | Capital Today, Goat Capital, Mantis VC, Tribe Capital, Unpopular Ventures, Andy Katz Mayfield, Curtis LEE, George Ruan, Nick Green, Scott Tannen, Vikas Sabnani, Vince Thompson, DES Traynor | Announced |
I appreciate the detailed formatting instructions, but I need to clarify an important limitation: the search results provided do not contain information about "Butter - Muscle Memory Cache for Agents."
The search results reference several different products named "Butter":
1. Butter (Food Distribution SaaS) — A platform acquired by GrubMarket in May 2024 that digitizes food distribution with AI
2. Butter (Developer Platform) — A web application development and deployment platform that abstracts infrastructure complexities
3. Butter Payments — A machine learning-based payment recovery platform that reduces involuntary churn
4. Butter (Collaboration Tool) — A virtual collaboration platform for facilitating interactive sessions
None of these match "Muscle Memory Cache for Agents," which suggests this may be a product that either:
To provide you with the comprehensive analysis you've requested—covering high-level overview, origin story, core differentiators, role in the tech landscape, and future outlook—I would need access to accurate information about this specific product.
Could you provide additional context or clarification about which Butter product you're interested in, or share more details about "Muscle Memory Cache for Agents"? This would allow me to deliver the detailed investment analysis you're looking for.
Butter was founded in 2024 by Erik Dunteman (Founder).
Butter has raised $12.0M in total across 2 funding rounds.
Butter's investors include Wen-Wen Lam, Alt Capital, Arrive, Ascend Vietnam Ventures, Basis Set Ventures, Bond, Coatue, CRV, General Catalyst, Gradient Ventures, Khosla Ventures, Liquid 2 Ventures.
