# Baseten adds Sandboxes for persistent AI agent environments

Digest AI · Agents & Tools · published 2026-11-05T16:58:04Z

Canonical: https://digestai.news/story/baseten-adds-sandboxes-for-persistent-ai-agent-environments

## Summary

Baseten launched Sandboxes on November 5, 2026, offering isolated microVM environments that retain files, memory, and running processes for AI agents. The free execution service runs until November 16, 2026, as part of Baseten’s planned agent cloud. Each sandbox operates in a dedicated microVM with kernel-level isolation, enabling untrusted code execution and process management without lateral movement risks. State preservation lets agents pause and resume work across sessions, with a reported 25-millisecond resume time and up to five times faster scaling than competing tools. The dashboard provides live observability for API requests, errors, CPU, and memory usage, eliminating the need for separate monitoring setups.

Baseten’s architecture contrasts with traditional cloud models by treating agents as micro-applications requiring their own tools, data, and compute. Sandboxes currently support custom Docker-based images for environments, but storage and networking features—like Agent Drive for shared files and Agent Proxy for credential injection—are still in development. Users must manually save critical data outside the sandbox or on mounted volumes to avoid permanent deletion upon environment termination.

## Key points

- Sandboxes use microVMs for kernel-level isolation, enabling untrusted code execution and process persistence across sessions
- Free until November 16, 2026, with a default 10 concurrent sandbox limit per organization (scalable on request)
- Agent Drive and Agent Proxy for storage/networking controls remain roadmap items, not yet available

## Why it matters

Persistent agent environments could redefine workflows for developers and AI teams by enabling long-running tasks without manual state management. The microVM isolation addresses security gaps in container-based approaches, while the resume speed and observability tools lower barriers to building complex agentic systems.

## Sources

1. [Baseten Launches Sandboxes for Long-Running, Stateful AI Agents](https://unite.ai/baseten-launches-sandboxes-for-long-running-stateful-ai-agents) (Unite.AI, 2026-11-05)

## Cite

Digest AI, "Baseten adds Sandboxes for persistent AI agent environments", 5 November 2026, https://digestai.news/story/baseten-adds-sandboxes-for-persistent-ai-agent-environments

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