Zeus
the lightning · the builder
Software that builds software — and shows its work.
Zeus turns a plain-English goal into tested, working code. Agent crews plan, write, test, and integrate in parallel, untrusted code runs locked inside a kernel-enforced sandbox, and the infrastructure is built to run for days.
One loop, from plain-English goal to working software.
Zeus doesn’t generate code and hand it off. It runs a self-correcting loop: write, test, measure, iterate — until the code passes every test, covers every edge case, and actually works.
$ zeus build 'a patient-intake portal with e-signatures’
▸ Planning workspace...
▸ Created project: patient-portal
▸ Assigned agents: frontend, backend, integration
▸ Building in sandbox: patient-portal (hash: a3f8c2)
Agent 1: Created React components (12 files)
Agent 2: Created Express API endpoints (8 files)
Agent 3: Integrated components + API
▸ Running test gate...
✓ 47 tests passed (100%)
✓ Coverage: 89%
✓ Build succeeded
→ planned · built · tested
Build: patient-portal @ a3f8c2 | 47 tests · 89% coverage
Autonomous builds
Describe what you want. Zeus creates the workspace, sets the goal, and keeps building — measuring progress against the code itself, not the conversation.
Plain-English goal to working software
Give Zeus a name and a one-line spec. It creates the project, arms the goal, and starts building — and a supervisor keeps the build alive on its own. Presets set the bar: MVP, production-grade, or hardened.
BUILTAgent crews that build in parallel
Zeus splits a build into non-overlapping tasks and runs multiple agents at once, each working in its own isolated copy of the code. A dedicated integrator merges the results, so parallel work never tramples anything.
BUILTTest-gated integration
No agent’s work reaches the main branch until the integrated project builds and its test gate passes. Failing work is routed back to the crew to fix — never merged and hoped for.
BUILTBuild dashboards that read the code, not the chat
Progress is measured from codebase truth — test counts, coverage, commits, and milestones — not from what the agents claim. You always know where a build actually stands.
BUILTChat, crews, and projects in one workspace
Every thread shows its project and live build status inline — progress, tests, and a one-click Continue for anything paused. You never lose track of a build between conversations.
BUILTIsolation and safety
Zeus assumes untrusted code is dangerous. Anything a user runs executes inside enforced boundaries that were adversarially attacked before they were switched on.
A sandbox around untrusted code
Code that users run executes in a kernel-enforced jail: a private filesystem, no network access, and model access only through a controlled broker. Every widening of the sandbox shipped only after repeated attempts to break it.
BUILTOne private workspace per sandboxed user
Each sandboxed user gets a distinct operating-system identity, a persistent private workspace, and a hard disk quota enforced by the filesystem — isolation by the kernel, not by convention.
BUILTDefault-deny syscall filtering
Sandboxed code gets an allowlist of system calls: what normal programs need is permitted, and the dangerous rest is refused by the kernel itself.
BUILTA locked-down service identity
The execution service runs under its own minimal system account with no reach into operator files or credentials. Compromising one layer doesn’t hand over the machine.
BUILTExecution is granted, never assumed
Code execution is off by default. An administrator grants it per organization, and only verified users can exercise the grant — ungranted or unverified requests are refused outright.
BUILTBuilt to run for days
Long builds fail in boring ways: frozen interfaces, lost context, silent stalls. Zeus was engineered against each one.
Out-of-process build workers
Every build turn runs in its own worker process, so heavy computation doesn’t stall the interface. Measured under concurrent builds, the app kept answering in milliseconds.
BUILTBuilds that survive restarts
Zeus is engineered so a deploy doesn’t have to mean lost work: running jobs can be re-adopted after a service restart, a supervisor finds idle builds and resumes them, and work that keeps failing is surfaced with context.
BUILTContext compaction for long jobs
Long builds outlive any context window. Zeus distills sprawling transcripts down to what matters and archives the full history instead of deleting it — old builds load fast without losing their past.
BUILTHorizontal scale-out
The web tier is built to run as multiple processes behind health-checked load balancing with session affinity. Scaling across a fleet of machines is on the roadmap, behind the same staged, tested rollout process.
IN DESIGNA platform, not a demo
Multi-user from the ground up: real accounts, strict data ownership, and a deliberate path from a finished build to a running product.
Accounts that fail closed
Per-user passwords, and an auth layer with a bias toward lockdown: if the system cannot determine that multi-user protections apply, it refuses access instead of opening up.
BUILTData ownership without guesswork
Every conversation, file, and memory is stamped with its owner. When ownership can’t be resolved, Zeus refuses to store the data rather than guess — a property exercised with live isolation tests, not hand-waving.
BUILTDeploy, meter, and bill what Zeus builds
The next layer: one path from a finished build to a hosted app — package, deploy, route, meter usage, and bill for it. Fully scoped and designed; deliberately not yet built.
IN DESIGNThe engine behind the whole platform
Zeus isn’t a side project — it’s the substrate Zephyria’s other products are built on.
Powers Iris
Zephyria’s healthcare voice AI runs on Zeus infrastructure today — the same models, the same sandbox substrate, built for regulated conversations.
LIVEPowers Amelia
The hardened, encrypted communications core behind Amelia runs on the same substrate today, while the product above it is still being built.
LIVEOne account across the platform
A single identity that follows you across Zeus, Iris, and Amelia — your projects, your data, one login. Built and security-reviewed; deliberately not yet switched on.
BUILTZeus runs today as the infrastructure Zephyria builds its own products on — Iris and Amelia are its first users, and everything on this page marked live is running on that infrastructure now. The autonomous pipeline has taken real projects from a one-line goal to completion, including multi-package codebases that finished with thousands of passing tests, and the isolation stack was adversarially attacked at every stage before it was switched on. We are equally plain about what is not done: several systems described here are built and shipped behind controls rather than proven in daily operation, Zeus scales today on a single machine rather than across a fleet, and the layer that turns a finished build into a hosted, metered, billed app is designed but not built. We label those plainly because a roadmap should never read like a product.
What will you build?
Describe it. Zeus will handle the rest.
Request accessOne flat monthly price, still being finalized, under $175. No tokens. No meters. No overages.