Alternatives to AfterQuery

Expert data development for frontier AI models and agents

Open-source synthetic data generation grounded in real tool execution traces.

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

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

Freelance platform where experts train AI models remotely and earn weekly pay.

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

Open-source frontier models and agent-first office doc tooling for specialized knowledge work.

Open-source data annotation platform for vision AI teams

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

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

Human-recorded computer-use datasets for training AI agents

Domain-specific clinical data and RL environments for healthcare AI

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

Offline AI image annotation with SAM2 & SAM3, one-time price, no subscription

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

SWE-smith: Auto-generate 100s of task instances from any GitHub repo in ~10 minutes.

Open-source annotation for text, audio, images, video, and AI agents with YAML setup.

Training data that gives frontier models taste and judgment for ambiguous work.

Mercor: Vetted AI experts for model evaluation and training data

Autoscaled RL data for frontier tool-use and computer-use agents.

Global real-world data platform for training physical AI models

Hard-to-find real-world data sourced, labeled, and enriched for frontier AI training.

Open Somali AI datasets, ASR models, and benchmarks for low-resource NLP.

Synthetic data platform for privacy-safe analytics and AI data access

Decentralized training data verified by public consensus

Open-source data labeling and AI evaluation for all data modalities

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

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

Auto-label images and train custom vision models with zero manual annotation.

Private-deployment data annotation platform for multimodal AI training.