Best Agent Sandboxes (2026)
Where agents run safely. Discover the startups building agent sandboxes: isolated, disposable runtimes where AI agents execute code, browse the web, and use tools without touching production.
Top 14 Agent Sandboxes, ranked
Ranked by disclosed funding, growth signals and traction. Updated November 2026.
ModalNot ratedFounded 2021High-performance AI infrastructure for developers building and deploying AI agents and ML workloads.
DaytonaNot ratedFounded 2023Builds agent-native compute infrastructure.
E2BNot ratedFounded 2023E2B is an open-source runtime for executing AI-generated code in secure cloud sandboxes, enabling AI agents to run code, analyze data, and interact with the internet securely.
BrowserbaseNot ratedFounded 2024Cloud browser infrastructure for AI agents, run, manage and monitor headless browsers at scale.
- COCodeSandboxNot ratedFounded 2017
Instant cloud development environments for coding, collaboration, and AI agent execution.
Modal LabsNot ratedFounded 2022AI-powered platform for building and deploying custom AI agents.
Canonic SecurityNot ratedFounded 2020SaaS application security platform that profiles apps and user accounts to reduce attack surface.
SNDBOXNot ratedFounded 2017Dynamic analysis platform for cybersecurity researchers leveraging ML for malware analysis.
ANY.RUNNot ratedFounded 2019Interactive sandbox for malware analysis and threat investigation.
ComputeSDKNot ratedFounded 2025ComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.
- FOforeverVMNot ratedFounded 2023
API for running arbitrary, stateful Python code securely in persistent sandboxes for AI-generated code execution.
ClawcardNot ratedFounded 2026Unified credential system providing AI agents with virtual cards, email, and phone numbers.
MinemmoNot ratedThousands of players simultaneously mine, build, and engage in PvP survival in a procedurally generated world.
- RustywarcrimesNot ratedFounded 2026
A 10x Rust server focused on high-intensity, lawless gameplay with accelerated loot and fast-paced action.
About Agent Sandboxes
Frequently asked questions
What are the best Agent Sandboxes in 2026?
Leading Agent Sandboxes tracked by StartupHub.ai include Modal, Daytona, E2B. We rank 14 companies in this category by disclosed funding, growth signals and market traction, refreshed hourly.
What does this Agent Sandboxes ranking include?
This page ranks the top 14 Agent Sandboxes by funding and traction, representing $1.5B in combined disclosed funding. Each entry links to full funding history, team and product details.
Which of these companies has raised the most funding?
Modal Labs leads the category with $1.2B in disclosed funding.
How is this Agent Sandboxes ranking compiled?
Each company is scored on disclosed funding, team size, growth momentum and profile completeness, then ordered highest first. The list regenerates hourly as new funding rounds, hiring and product launches are detected, so the ranking stays current.
