Infrastructure / Deployment

AWS Lambda

AWS Lambda, GA serverless function service; runs on AWS Firecracker microVMs (open sourced 2018, powers Lambda + Fargate). The Lambda service itself is proprietary/SaaS - scored as the closed counterpart per the deployment recipe (Lambda/Cloud Run = closed). Verified live (AWS docs/blog) June 2026.

Openness

1 high confidence

1.0

license: Proprietary
service: proprietary AWS-only SaaS (no self-host)
underlying-microVM: Firecracker is Apache-2.0 OSS but the Lambda control/data plane is closed
weights: n/a
source: closed

Lambda is a proprietary managed serverless service (closed), per recipe's explicit 'Lambda as closed counterpart'. Firecracker (the microVM substrate) is separately open source but is a different artifact; Lambda itself is not self-hostable.

https://aws.amazon.com/blogs/aws/firecracker-lightweight-virtualization-for-serverless-computing/ recorded 2026-06-04
Firecracker microVM powers Lambda; Lambda is AWS-managed proprietary service

Adoption

5 high confidence

5.0

AWS states Lambda 'processes trillions of executions for hundreds of thousands of active customers every month' - mass-market serverless deployment substrate, unambiguously >10M reach. (Adoption attributed to general serverless usage, not specifically agent-code-execution.)

https://aws.amazon.com/blogs/aws/firecracker-lightweight-virtualization-for-serverless-computing/ recorded 2026-06-04
trillions of executions / hundreds of thousands of active customers monthly

Capability

5 high confidence

5.0

Frontier-definer for this category: microVM-grade isolation, the widest runtime breadth, and the largest proven scale of any deployment runtime here. Scored 5.

https://aws.amazon.com/blogs/aws/firecracker-lightweight-virtualization-for-serverless-computing/ recorded 2026-06-04
Firecracker microVM isolation, ~125ms start, ~5MiB/VM, trillions of executions

Unchanged since 2026-07-30 (last edited, not re-checked)