Human data annotation platform for large-scale AI cognitive model training.

Reinforcement Learning Data Engine for AI Teams. From simulation environment construction to customized evaluation systems, we serve over 90% of top AI labs, alongside a cohort of innovators pioneering the next frontiers of artificial intelligence.

Click Start to Enter Annotation Interface

After logging in, the workbench will remain on the home page by default without loading annotation tasks. Click the button below to access the current batch and start annotating.

Powering Cutting-Edge AI

Data, simulation environments and evaluation infrastructure trusted by the world’s most advanced AI research labs

Vista

Optimized RL environments & preference feedback for post-training and evaluation. Spanning autonomous AI reasoning, tool use and computer operation for agent research, scientific computing, agent coding and cybersecurity.

AlignAggregate

Real-world grounding alignment signals from global top specialists, which frontier models cannot produce on their own. Bringing together more than 2.5M+ domain experts, it converts human expertise into reward signals that power functional, usable frontier AI.