Your first cut,
already done.
You shot for hours. Sisyphos watches every frame, finds the moments worth keeping, and lines them up as a first cut you can open and change. It decides by measured signals: motion, sound, beat, sharpness, aesthetics. Every pick comes with a reason. Every reject, too. You stay the editor.
Sixty seconds of proof
Launch film · 001Not a black box
Guessing vs. knowing whyOther AI editors guess.
CUT 02 · 00:19 — why? no answer
CUT 03 · 00:24 — why? no answer
pattern: random · intention: none
Footage in, finished video out — and no way to ask why. They cut by transcript and template, not by what’s on screen. A strong moment with no words gets lost, and when the result is wrong, your only option is to start over.
Sisyphos knows why.
It measures what’s actually in the frame — motion, sound, beat, sharpness, composition — and rates every moment the way an editor would: what happens, how it feels, how it flows, how it’s shot. Ratings with a reason in plain words. A first cut you can question, adjust, and trust.
How it sees
Four layers · L1–L4Sisyphos measures your footage on your Mac: where the cuts are, how much moves, how loud it gets, where the beat lands, what’s sharp, what looks good. Ten times a second, every clip.
Every measurement is stored and searchable. When Sisyphos explains a decision, the answer comes from stored measurements — not from guesses.
The strongest moments go to the AI judge. It rates them and writes down why, in plain words.
Coming next: Sisyphos learns from what you keep and what you throw out — so the first cut starts looking like your cut.
The ledger
Every candidate · every reject reason · on the record| Candidate | Window | Stage | Rank | Reject reason |
|---|---|---|---|---|
| b01 | 08.480 – 12.960 | FINAL | 1 | — |
| b04 | 22.840 – 28.360 | FINAL | 2 | — |
| b02 | 09.120 – 13.480 | dropped | · | too similar to b01 |
| b03 | 15.200 – 18.040 | dropped | · | too little happening |
| b05 | 30.680 – 33.120 | dropped | · | didn’t make the shortlist |
| b06 | 33.560 – 35.900 | dropped | · | no strong second to trim to |
Every clip Sisyphos considered is on the record — including the ones it dropped, and why: too similar to a better take, too little happening, didn’t make the shortlist. Ask “why isn’t this moment in my cut?” and you get an answer, not a shrug. And when a clip gets trimmed, it’s trimmed toward its best second — never just cropped to the middle.
Same footage, same cut
Run it twice · compare the timelinesRun it today.
Run it next year.
Same cut, to the frame.
Sisyphos doesn’t roll dice. The same footage with the same settings produces the same cut — every time, and you can verify it. That also means re-runs are free: anything already analyzed is never paid for or waited on twice.
Local-first, end to end
Raw footage → DaVinci ResolveOne license, yours
Perpetual · runs on your machine“Perpetual, because it runs on your machine.”
A subscription for local software is a leash. Sisyphos is a tool: it works on your footage, on your hardware, offline — so you own it, the way you own your lenses.
Footage you’ve already analyzed never costs you again — Sisyphos remembers its answers instead of buying them twice.
In development. Join the waitlist and you hear it first when it ships.
Fair questions
The skeptical-editor sectionQ1Does my footage leave my machine?
No. Your video files stay on your Mac — all analysis runs locally. Only the final rating step sends a few still images plus the measurements to the AI, and the app technically can’t send more: every outgoing file is checked, and anything that isn’t a still image is blocked before it leaves.
With your own Gemini key, those stills go to your Google account under your data terms — not through our servers. We run no cloud.
Q2Which NLEs does it feed?
DaVinci Resolve gets a one-click push — Sisyphos builds the timeline in your running Resolve Studio via the scripting bridge. Everyone else gets standard FCPXML and EDL (CMX3600) exports. All three link your original files at the right timecode — never proxies.
Q3What hardware do I need?
A Mac. Apple silicon is recommended — perception is compute-heavy and caches aggressively, so the first pass over a card is the slow one and everything after is instant. Windows is on the roadmap; tell us on the waitlist if that’s you.
Q4What does analysis cost to run?
Cents per clip, with a hard cap. Footage you’ve already analyzed is never billed again — Sisyphos remembers. You see every cent in your own Google console.
Q5Is this an AI auto-editor?
No. An auto-editor hands you a finished opinion; Sisyphos hands you an argument — every pick has axes, a rationale, and a ledger row, and every reject has a reason. It assembles the first cut; you stay the editor.