Alternatives to PublicAI

Mercor: Hire vetted domain experts for AI model evaluation and training data

Custom, ethically sourced video datasets and real-time human feedback for AI video model training and evaluation.

Open-source multimodal lakehouse for AI data curation, feature engineering, search, and training.

Managed training data for AI agents and LLMs — agentic skills, coding, AI safety.

Private-deployment data annotation platform for multimodal AI training.

Real-world egocentric video and robot data for embodied AI training.

Human-recorded datasets for training computer-use AI agents

Bright Data's web data platform for AI training and agentic access

Crowdsourced data services for AI training, validation, and labeling at scale.

Verifier-grounded training data for frontier AI models, built on formal proofs, simulators, and oracles.

Custom multimodal data and evals for perceptual AI training.

Collect high-quality human data from verified participants for AI training, evaluation, and research.

Enterprise dataset management platform for AI training teams

Curated video datasets and evals for training spatial reasoning in multimodal AI.

Sahara AI: Decentralized AI agent platform for trading, enterprise automation, and data services.

Enterprise synthetic data platform for privacy-safe analytics and AI data access

Open-source dataset labeling and AI evaluation for every data modality

RL data engine for AI teams building frontier models and enterprise agents

Open-source data annotation platform for vision AI teams

Generate 100s to 1000s of training instances from any GitHub repo in ~10 minutes.

Industrial data layer for robotics with high-density action labeling, validated by humans.

Expert-curated reasoning data that trains frontier models to think like specialists.

Zero-shot auto labeling platform that turns raw images into labeled datasets in minutes.

Python library for loading, streaming, and preprocessing AI datasets with Apache Arrow

Open-source multimodal data engine for AI pipelines at scale

Expert data development for frontier AI models and agents

A free drop-in MNIST replacement dataset for benchmarking fashion image classifiers.

Spatial reasoning data and game-engine benchmarks for AI agents.

AI data curation and interactive visualization for messy unstructured datasets

Collaborative data labeling for images, text, documents, and video