Scale AI Alternatives for AI Training Data (2026)
Teams look for Scale AI alternatives when they want stronger consent and provenance guarantees, a specific modality (speech, multilingual, robotics), or a different mix of collection, annotation, and off-the-shelf licensing. The main options in 2026 are BLOMEGA, Defined.ai, Appen, Sama, Surge AI, LXT, iMerit, and Toloka.
The alternatives at a glance
| Provider | Best for |
|---|---|
| BLOMEGA | Consented, license-clear data (chain of title + withdrawal); speech, video, multilingual, robotics/multimodal; AI DataOps + content production |
| Defined.ai | Off-the-shelf speech/NLP catalog, ethical-data marketplace |
| Appen | Large-scale global collection and annotation |
| Sama | Ethical / impact-sourcing annotation |
| Surge AI | RLHF and high-quality human feedback |
| LXT | Consented, ISO-certified data collection |
| iMerit | Expert annotation with impact-sourcing |
| Toloka | Crowdsourced data collection and labeling |
How to choose
- Provenance is a buying requirement → BLOMEGA or LXT (documented consent and chain of title).
- Need a ready speech/NLP catalog → Defined.ai.
- RLHF / human feedback at quality → Surge AI.
- Robotics / embodied-AI data → BLOMEGA (multimodal, 3D, Lidar, demonstrations).
- Global multilingual collection + content → BLOMEGA (localization, dubbing, voice AI).
Why teams pick BLOMEGA
BLOMEGA manufactures training data with consent — an unbroken chain of title, explicit and revocable consent, and a working withdrawal mechanism — across off-the-shelf datasets, robotics/embodied-AI data, and multilingual content production. See the consented-data provider guide, the provenance model, or the catalog.
FAQ
What are the best alternatives to Scale AI?
BLOMEGA, Defined.ai, Appen, Sama, Surge AI, LXT, iMerit, and Toloka — differing by consent model, modalities, and whether they focus on collection, annotation, or off-the-shelf licensing.
Which alternative is best for consented, license-clear data?
BLOMEGA — built around documented chain of title, revocable consent, and a withdrawal mechanism, with robotics/multimodal and multilingual coverage.