Company
What Is SixHelix? Six Promises Behind Every Software Build
What SixHelix is, the six commercial promises behind the name — pay by outcome, cost transparency, committed timelines, scope control, quality assurance, and long-term reliability.
A story you have probably lived
Every business that has tried to buy custom software knows the shape of this story. It starts with a clear idea and a reasonable budget. Somewhere in the middle, the meter starts running. The budget balloons, the deadline drifts, and when you ask why, the answer is some version of "it took more effort than expected."
AI was supposed to fix this. Instead, token-based tools rebuilt the same meter in a new costume: you pay per token, per call, per retry. Costs scale with effort, not value. Estimates drift as prompts retry and context grows. There is no fixed delivery date — it's done when it's done — and you absorb the risk of every dead end.
We started SixHelix because we believe the problem was never the AI. It's the meter. Software should be bought the way every other business outcome is bought: a defined output, a fixed price, a committed date — and payment only when you accept the result.
Why "SixHelix"? The six promises behind every build
The most famous structure in biology is the double helix: two strands wound around each other, each one useless on its own, together carrying the entire blueprint of a living thing.
When we mapped what actually goes wrong in software engagements — not the technology, but the commercial relationship — six failure modes kept appearing. Budget surprises. Drifting timelines. Creeping scope. Vague specs. Brittle code. Hidden costs. Each one is a strand that can come loose and unravel the whole project.
The six helixes are our answer to each of those failure modes. They're not technical categories — they're the six commitments we make on every engagement, and the same six we scope, price, and ship every project across.
Helix 1 · Pay by Outcome
You pay for results, not effort
Every deliverable has a fixed price agreed before work starts. There is no hourly meter, no token count, no "it took more than expected." If a deliverable doesn't meet the agreed spec, we rework it at our cost — not yours. You release payment only when you accept the output. The risk of every dead end stays with us.
Helix 2 · Cost Transparency
You see the full bill before work begins
Describe your project and you get an itemized quote — every module, every deliverable, every price — before anyone writes a line of code. Toggle scope and the total updates instantly. There are no discovery calls before you see a number, no change orders that arrive after you've already committed, and no line items that surface at the end as "out of scope."
Helix 3 · Timeline Assurance
Every deliverable ships on a committed date
Vague timelines are a symptom of effort-based billing — when you're paying for time, "it's done when it's done" is a feature for the vendor. We work the other way: every module in your quote carries a committed delivery date. You can plan around it. If we miss it, that's on us — not a reason to extend the contract.
Helix 4 · Scope Control
Changes are re-quoted, not open-ended
Scope creep is the oldest way to blow a software budget. When requirements change, we re-quote the new deliverable the same way we quoted the original: fixed price, committed date, accepted on delivery. You decide whether to add it. There are no open-ended change orders, no "we'll figure out the cost as we go," and no surprises waiting at invoice time.
Helix 5 · Quality Assurance
What ships is what was agreed
Every deliverable is defined by a written spec before work starts — not a vague description, but the exact behavior it needs to exhibit. Acceptance is binary: it meets the spec or we keep working. This matters most for the logic that can't be "mostly right" — payroll, tax calculations, disbursements, compliance rules — where a spec and a test suite are the only honest proof of correctness.
Helix 6 · Long-term Reliability
It keeps working after we hand it over
Delivery day is the beginning, not the end. Software that passes a demo but breaks under real load, or after the first update, is a liability you inherit. We build and run verification into every project so the behavior we agreed on is the behavior you get on your busiest day — and six months later. What we ship, we stand behind.
Six promises, one fixed quote
No real engagement ever needs just one of these promises — it needs all six at once. You need to know the cost before you commit. You need a date you can plan around. You need changes to be re-quoted, not open-ended. You need the spec to be written down, the output to be verified, and the whole thing to still work six months later. Pull any one of those out and the engagement unravels.
That's why our quoting works the way it does. You describe the project, and you see an itemized quote — every deliverable, every price, every committed date — before any work starts. Toggle scope and the budget and timeline update instantly. No discovery calls before you see a number. No surprises after you say yes.
The comparison: paying for effort vs. paying for results
Token-based tools like Cursor, Lovable, and Replit are genuinely great — if you're the builder. But if you're a business buying an outcome, their billing model quietly hands you all the risk: every retry, every dead end, every "let me try that again" lands on your invoice. Here is the difference side by side:
| Token-based AI tools | SixHelix (output-based) | |
|---|---|---|
| What you pay for | Effort — tokens, calls, retries | Results — accepted deliverables |
| Budget | Drifts as prompts retry and context grows | Locked the moment you approve the quote |
| Deadline | "It's done when it's done" | A committed date on every module |
| Risk of rework | You absorb it | We absorb it |
| When you pay | Continuously, as the meter runs | Only when you accept the output |
Token-based billing rewards inefficiency. Output-based pricing aligns our incentives with yours: ship the deliverable, get paid.
Who SixHelix is for
We build for US small and mid-sized businesses that need custom software — internal tools, customer-facing apps, AI-integrated workflows, API integrations — and want to buy an outcome, not rent a meter. You describe the project, you see a fixed price and committed dates before any work starts, and you release payment only when each output meets the agreed spec.
Six promises, one fixed quote. That's the name, and that's how we work.
Frequently asked questions
What does the name "SixHelix" mean?
It stands for the six commercial promises behind every engagement: pay by outcome, full cost transparency before work starts, a committed date on every deliverable, scope changes that are re-quoted rather than open-ended, quality verified against a written spec, and software that holds up long after handover. Like the strands of a helix, pull any one out and the whole engagement unravels.
Is SixHelix an agency, a dev shop, or an AI tool?
None of the usual categories. SixHelix is an AI-native custom software service: you describe a project, our composer breaks it into fixed-price deliverables across the six strands, and you pay per accepted output — no hourly rates, no retainers, no token fees.
How does output-based pricing work?
Every deliverable gets a fixed price and a committed date before work starts. You review each milestone and release payment only when the output meets the agreed spec. Scope changes are re-quoted the same way — no open-ended change orders.
Does every project need all six helixes?
No. The composer includes only the strands your project actually requires — but it quotes with all six in view, so nothing surfaces later as a surprise line item.