Developer Frameworks & Infrastructure
Freestyle
Isolated real Linux virtual machines built for code you did not write
Freemium - from Free / $0/moRuns in the cloudEditors pick
Pricing
Freemium - from Free / $0/mo
Free / $0/mo
Platforms
Web
Hosted app
Category
Developer Frameworks & Infrastructure
133 tools
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0
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Last updated
Oct 24
Listing updated
Best for
Safe execution of LLM-generated code and scripts
Execute dynamic Python, Node.js, and Bash code generated by frontier models inside isolated hardware-level Linux sandboxes.
Pricing checked Oct 2026
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About Freestyle
Freestyle delivers full Linux virtual machines built to safely execute code you did not write. When AI agents write scripts, run shell commands, or test community libraries, executing that code inside ordinary containers or shared host kernels risks privilege escalation, network pollution, and compromised infrastructure. Freestyle solves this with strong micro-hypervisor hardware isolation.
Developers can launch real Linux VMs programmatically via TypeScript and Python SDKs, execute shell commands, attach network volumes, and interact with headless browsers. With transparent resource-based pricing ($0.04032 per vCPU hour and $0.0129 per GiB RAM hour) and a free starter tier, Freestyle makes safe agent execution accessible for hobbyists and enterprise platforms alike.
- True hardware-isolated Linux virtual machines rather than shared container namespaces
- Transparent pay-as-you-go pricing with a permanent free development tier
- Modern developer experience with first-class TypeScript and Python SDKs
- Virtual machine boot times, while fast, are slightly higher than pure in-process WASM sandboxes
- Network-intensive workloads incur standard bandwidth transfer costs
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