What is a self-hosted software factory, and how is it different from a SaaS coding agent platform?

A self-hosted software factory is presented as an SDLC automation system in which an organization controls selected operational layers, particularly agent execution, repositories, artifacts, network access, inference, and data storage, while a vendor may still provide orchestration for intake, triage, implementation, review, and verification. Unlike a SaaS coding-agent platform, which generally runs both execution and orchestration in vendor-managed infrastructure, a factory can coordinate multiple specialized agents across the full development lifecycle and allow teams to choose which layers to host themselves. The text stresses that self-hosting execution does not necessarily mean an air-gapped environment, since orchestration metadata, transcripts, or model inference may still pass through vendor systems unless those layers are also self-hosted or governed by retention agreements. It recommends mapping compliance, network, data-locality, environment, and infrastructure requirements to specific architecture layers rather than treating self-hosting as an all-or-nothing choice, while noting that operating workers introduces responsibilities such as patching, capacity planning, monitoring, and state management. Warp Factories is described as a vendor control plane intended to support this split model through configurable hosting, inference, storage, orchestration, evaluations, and version-controlled factory definitions, with an initial focus on deploying one measurable workflow before expanding automation.

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