Image and video decision
Lutbuilder.ai
A single technical user can build a useful LUT-generation and preview tool using existing image-processing libraries and the cited open-source projects, but reproducing a polished, scalable commercial product (proprietary models, presets, and GPU-backed rendering at scale) is larger and would remain a gap.
Visit website↗Not priced
No pricing page we fetched carried a figure, so there is nothing to compare against. The build side is still real.
$100one-off80 h to build
$100/mo6 h/mo upkeep
No published price to break even against.
Open-source builds that already do this
Every project below is open source and already does this job today. Fork one, self-host it, or take the parts you need - the build prompt further down assumes an empty file, and this is the shortcut past that. Licences differ; check the one on each card before you ship. All Lutbuilder.ai alternatives, with the arithmetic →
What a replacement has to do
- Upload footage or an image → compute a color transform / generate a 3D LUT → preview applied LUT on media → export .cube or similar LUT file
What it still won’t have
- High-quality, proprietary ML color models and training data
- Polish of a commercial product (UX, presets, one-click looks)
- Scalable GPU rendering infrastructure for large video jobs
- Commercial support and licensing/brand trust
What remains hard
- Product polish and ongoing maintenance
First-year cost
No published price
Lutbuilder.ai does not publish a price we could read, so there is nothing to compare against. What building costs is below.
Money you would actually spend
Time you would spend
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What you would spend
What we assumed
The verdict above measures whether you could build it. This one is only about money.
Runnable build prompt
Build a minimal web service in Next.js + Node.js + PostgreSQL + S3 (or S3-compatible) and optional GPU worker (Docker + a small GPU instance). Implement: 1) HTTP file upload to S3 and metadata in Postgres; 2) a color analysis/transform pipeline using a small image-processing library (or port simple ML-based transform) that outputs a 3D LUT; 3) LUT export to .cube files; 4) a client-side preview that applies the LUT to images using WebGL shaders; 5) a simple UI to pick presets, adjust intensity, and download LUTs. Out of scope: training new ML models from scratch, multi-user billing, marketplace/catalog features. Include error handling, unit tests for transform code, integration test for upload-to-export flow, Dockerfiles, and deployment scripts for a single small cloud VM and optional GPU worker.
How we checked
How the score was reached
- Partly verdict base52
- An open-source build was found+5
- 3 cited sources+3
- Evidence score60
The base comes from the verdict. Everything under it is a check that either happened or did not, and each one is a fact frozen in this record rather than a judgement made at render time - so the same evidence always produces the same number.
How scoring works →Cited sources · 3
Every page the run actually retrieved.
- official productLUTBuilder.ai - product
- open sourceCyberTimon/RapidRAW
- open sourceBradLarson/GPUImage
Integrity checks
What held up, and what did not.
