Top all-time · #3909
E2B
Company blog · e2b.dev/blog · on HN as mlejvaaiprogramming
E2B is the company blog at e2b.dev, writing about ai and programming. Since 2023, 20 different Hacker News readers have linked it 80 times, most often “Open-Source Sandbox SDK”. It is still writing: the last post was on 2026-10-16, and you can follow it by feed.
Too few sampled comments (13) to say how often HN recommends it.?
Why HN links it
HN readers mostly point to E2B as a sandbox service for running AI-generated code. The blog's Firecracker vs QEMU comparison and its Manus-on-E2B post are cited as sources.
Summarised by Claude from a sample of 13 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
The AI Agent Cloud. An isolated machine for every AI agent: run code, browse, use tools, pause, fork. In our cloud or your AWS, GCP, or Azure account. 100K+ teams, 2B+ sandboxes started.
Most-linked posts?
- Open-Source Sandbox SDK7 people · 9 mentions · first linked 2023-08-07
- Open-source SDK for adding custom code interpreters to AI apps4 people · 15 mentions · first linked 2024-05-02
- /careers3 people · 8 mentions · first linked 2024-05-02
- Firecracker vs. QEMU2 people · 2 mentions · first linked 2025-03-06
What Hacker News says?
E2B | https://e2b.dev | Multiple roles | San Francisco, CA | Full-time | In-person E2B is building a secure open-source runtime that will power next billion of AI apps & agents. We found an early traction with making it easy for developers to add [code interpreting]( https://github.com/e2b-dev/code-interpreter ) to their AI apps with our SDK built on top of our [agentic runtime]( https://github.com/e2b-dev/e2b ). We…
Comment linking /careers
on “Ask HN: Who is hiring? (May 2024)”Submitted Replicating Cursor's Agent Mode with E2B and AgentKit as a story · 36 points
HN discussionE2B | Distributed Systems/Systems/AI/Support Engineers | Full-time | San Francisco (in-person only) | $150k - $400k + equity (0.1% - 1%) | https://e2b.dev Hi, I'm Vasek. CEO of E2B ( https://e2b.dev ). We're building an open-source infrastructure for AI code interpreting in our Sandboxes. We have customers like Perplexity, Vercel, have revenue, growing, and raised over $11M. We're hiring engineers all over the board…
Comment linking /
on “Ask HN: Who is hiring? (February 2025)”Submitted CrewAI vs. AutoGen for runnning LLM-generated code as a story · 14 points
HN discussionFrom https://e2b.dev/blog/firecracker-vs-qemu > AWS built [Firecracker (which is built on KVM)] to power Lambda and Fargate [2], where they need to quickly spin up isolated environments for running customer code. Companies like E2B use Firecracker to run AI generated code securily in the cloud, while Fly.io uses it to run lightweight container-like VMs at the edge [4, 5]. "We replaced Firecracker with QEMU" (2023) h…
Comment linking /blog/firecracker-vs-qemu
on “Microsandbox: Virtual Machines that feel and perform like containers”Submitted Scaling firecracker: Using OverlayFS to save disk space as a story · 8 points
HN discussionE2B | Distributed Systems/AI/DevRel Engineers | Full-time | San Francisco/Prague (in-person only) | $100k - $300k + equity (0.1% - 0.3%) | https://e2b.dev Hi, I'm Vasek. CEO of E2B ( https://e2b.dev ). We're building an open-source infrastructure for AI code interpreting/code execution in our Sandboxes. We have customers like Perplexity, Vercel, Hugging Face, You.com, and a lot of new exciting startups building in A…
Comment linking /
on “Ask HN: Who is hiring? (March 2025)”Submitted Firecracker vs. QEMU as a story · 7 points
HN discussionE2B | Distributed Systems/Systems/Product Engineers | Full-time | San Francisco (in-person) | $150k - $250k + equity (0.1% - 1%) | https://e2b.dev Hi, I'm Vasek. CEO of E2B ( https://e2b.dev ). We're building an open-source infrastructure for AI code interpreting in our Sandboxes. We have customers like Perplexity or PGA. We recently closed a $11M round, growing double digits every month (started over 10M of our san…
Comment linking /careers
on “Ask HN: Who is hiring? (December 2024)”Submitted AutoGen code interpreter running code in cloud sandbox as a story · 7 points
HN discussionE2B | Infrastructure, Product, Growth Engineers | Full-time | San Francisco (in-person) | $150k - $220k + equity (0.1% - 1%) | https://e2b.dev Hi, I'm Vasek [0]. CEO of E2B. We're building an open-source [1] cloud runtime for AI agents. Users have started over 1.4M of our sandboxes for AI agents and we've been growing 30%-60% MoM. We're a team of 4, have a revenue from seed to enterprise companies and just closed a…
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on “Ask HN: Who is hiring? (August 2024)”Submitted Show HN: Cloud Playgrounds for AI Agents and Copilots as a story · 7 points
HN discussionE2B | Distributed Systems, Designer/Frontend, Product, and AI Engineers | Full-time |San Francisco (in-person) | $150k - $250k + equity (0.1% - 1%) | https://e2b.dev Hi, I'm Vasek [0]. CEO of E2B. We're building an open-source [1] infrastructure for code interpreting in our Sandboxes. We have customers like Perplexity [2] or PGA. We just closed a $11M round [3], growing double digits every month (started 10M of our…
Comment linking /blog/how-perplexity-implemented-advanced-data-analysis-for-pro-users-in-1-week
on “Ask HN: Who is hiring? (November 2024)”Submitted Open-source SDK for adding custom code interpreters to AI apps as a story · 6 points
HN discussionE2B | Distributed Systems/Systems/AI/Product Engineers | Full-time | San Francisco (in-person) | $150k - $400k + equity (0.1% - 1%) | https://e2b.dev Hi, I'm Vasek. CEO of E2B ( https://e2b.dev ). We're building an open-source infrastructure for AI code interpreting in our Sandboxes. We have customers like Perplexity, have revenue, growing, and raised over $11M.W e're hiring engineers all over the board to work on o…
Comment linking /
on “Ask HN: Who is hiring? (January 2025)”Submitted Show HN: Open-Source Infrastructure for AI Code Interpreters as a story · 6 points
HN discussionE2B | Engineers (Distributed Systems, AI, Product, Security, DevRel), Brand Designer | onsite in San Francisco or Prague | https://e2b.dev/careers E2B is a fast growing Series A startup with 7-figure revenue. We've raised over $32M in total since our funding in 2023 and are supported by great investors like Insight Partners. Our customers are companies like Perplexity, Hugging Face, Manus, or Groq. We're building th…
Comment linking /careers
on “Ask HN: Who is hiring? (December 2025)”Submitted Open-source SDK for adding code interpreters to AI apps as a story · 5 points
HN discussionE2B | SF (US) or Prague (CZ), both on-site | [AI | Platform | Systems | Distributed Systems | Customer Support] Engineer/DevRel | https://e2b.dev/careers E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes. We have revenue, customers like Perplexity, Hugging Face, or Mistral, growing fast, multiple years of runway, and a full roadmap of exciting features to build. I'd love…
Comment linking /careers
on “Ask HN: Who is hiring? (July 2025)”Submitted LLM-Powered Code Interpreters as a story · 5 points
HN discussionE2B | SF (US) or Prague (CZ), both on-site | [Platform | Security | Distributed Systems | Sales] Engineer/DevRel Engineer | https://e2b.dev/careers E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes. We're Series A startup with 7+ figures revenue. We've raised over $32M and have customers like Perplexity, Hugging Face, Manus, X, MSFT, or Groq. We're growing double digits…
Comment linking /careers
on “Ask HN: Who is hiring? (October 2025)”Submitted List of open-source AI Agents as a story · 5 points
HN discussionE2B | SF (US) or Prague (CZ), both on-site | [AI | Platform | Systems | Distributed Systems | Customer] Engineer/DevRel Engineer/Head of Engineering | https://e2b.dev/careers E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes. We're Series A startup with 7+ figures revenue. We've raised over $32M and have customers like Perplexity, Hugging Face, Manus, or Groq. We're grow…
Comment linking /careers
on “Ask HN: Who is hiring? (August 2025)”Submitted Create your own code interpreter with LangChain and LLM Sandboxes as a story · 5 points
HN discussionShameless plug here. We're building exactly this at E2B [0] (I'm the CEO). Sandboxed cloud environments for running AI-generated code. We're fully open-source [1] as well. [0] https://e2b.dev [1] https://github.com/e2b-dev
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on “Notes on the new Claude analysis JavaScript code execution tool”Submitted Open-source secure sandboxes for AI code execution as a story · 4 points
HN discussionIt appears that e2b runs Firecracker microVMs ( https://e2b.dev/blog/how-manus-uses-e2b-to-provide-agents-wi... ) It shouldn't be too hard to get a Firecracker orchestrator running locally - the articles here were very helpful when I was doing this myself: https://jvns.ca/blog/2021/01/23/firecracker--start-a-vm-in-l...
Comment linking /blog/how-manus-uses-e2b-to-provide-agents-with-virtual-computers
on “Open Lovable”Submitted Will OpenAI's GPTs kill AI agents? as a story · 4 points
HN discussionI didn't know about https://e2b.dev/ but I was looking for something exactly like that. Does anyone know about any self hostable alternatives?
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on “Open Lovable”Submitted Cloud Sandbox SDK for Building AI Code Interpreters with Any LLM as a story · 4 points
HN discussion
