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MLtwist vs Scale AI, Labelbox, and SuperAnnotate
Four ways to get labeled training data. Here's how they differ on who does the work, who owns the vendor, and what you get back.
| Criterion | MLtwist | Scale AI | Labelbox | SuperAnnotate |
|---|---|---|---|---|
| What you buy | Labeled, human-verified training sets — staffed by our team, yours, or both | Managed data labeling and evaluation, weighted toward frontier-model and defense work | Labeling software, plus its Alignerr expert network | Annotation software, plus a vetted workforce and vendor marketplace |
| Ownership | Independent, venture-backed | Meta holds a 49% non-voting stake (June 2025) | Independent, venture-backed | Independent, venture-backed |
| Use your own annotators | Yes — in our tool, or alongside our team | Primarily a managed service | Yes | Yes |
| Work in the labeling tool you already use | Yes — we run and QA work in third-party tools | Its own platform | Its own platform | Its own platform |
| Lineage record with every delivery | Data ID Card on every version | Ask the vendor | Ask the vendor | Ask the vendor |
| Security screening and 3D scan data | Yes — TSA and Sandia programs | Ask the vendor | Ask the vendor | Ask the vendor |
| Public sector buying | Carahsoft, Google Cloud Marketplace, direct | Established federal contracts | Ask the vendor | Ask the vendor |
| Best fit | Regulated, multimodal programs that need a managed team and an audit trail | Frontier labs and large defense programs | Teams that want to run labeling themselves on software | Teams that want software and a choice of workforce vendors |
Based on public reporting and vendor materials as of September 2026. "Ask the vendor" means we couldn't confirm it publicly — not that they don't offer it. Spot an error? Tell us and we'll fix it.
Looking for a Scale AI alternative?
Why teams choose MLtwist
Neutrality
After Meta's 49% stake in Scale AI, Google and OpenAI reportedly pulled back over concerns about exposing their roadmaps to a rival. MLtwist is independent and venture-backed.
Fit
Most large vendors now chase frontier-model data. MLtwist focuses on the messy, regulated data — security scans, drone video, low-resource languages — that generic pipelines handle badly.
Control
Keep your own experts in the loop, keep your data in your bucket, and keep a Data ID Card for every version. Switching teams or tools doesn't mean rebuilding your pipeline.
See how your program would run on MLtwist
Tell us what you're labeling. We'll scope it with our team, yours, or both — and deliver it versioned, in your format.
Also available through Carahsoft and Google Cloud Marketplace.