Alternatives to Labelbox

Expert data development for frontier AI models and agents

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

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

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

Enterprise dataset management platform for AI training teams

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

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.

Open-source data annotation platform for vision AI teams

Human-recorded datasets for training computer-use AI agents

Open-source multimodal data engine for AI pipelines at scale

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

Decentralized AI training data marketplace with crypto rewards

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

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

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

Freelance platform where experts train AI models and earn weekly pay

Private-deployment data annotation platform for multimodal AI training.

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

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

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

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

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

Custom multimodal data and evals for perceptual AI training.

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

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

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

AI data curation and interactive visualization for messy unstructured datasets

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

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