AfterQuery's data offering spans supervised fine-tuning data, rubric and verifier-based reinforcement learning, tool-calling RL environments, computer-use and browser-use environments, code generation data, and multimodal data. It also includes off-the-shelf datasets and custom evaluation and training datasets built for specific capability targets.

The offering draws on a large network of verified professionals across domains such as software engineering, finance, medicine, and law. Datasets and environments are produced and validated through custom in-house software so that AI labs and enterprises can train and evaluate models on realistic professional workflows.