DataArc

Training data, evaluation benchmarks and reinforcement learning environments for frontier models

Human expert annotation, reinforcement learning evaluation and robot training data for frontier AI labs

Undisclosed · $71M · 2025-09 · Valuation $500M

Long-horizon RL training environments and evaluation data for frontier AI labs, starting with coding agent training data

Seed · $15M · 2026-09 · Valuation $300M

Spatial intelligence and synthetic data provider for embodied AI, with in-house tactile data collection devices and a tactile foundation model, supplying synthetic training data for robotics and autonomous driving.

Angel · 2026-07

AI-based digital twins and synthetic data generation for manufacturing

Seed · $4M · 2025-01

Data annotation for 2D images, 3D/4D point clouds and medical imaging, serving autonomous driving and large-model companies

Series A · 2026-06

Creates synthetic data for testing and training machine learning models

Series A · $6M · 2023-10

Converts multimedia content and domain expert knowledge into structured, labeled and validated training datasets for enterprise AI teams, addressing high-quality data supply for multimodal model training, fine-tuning and evaluation.

Pre-Seed · $2M · 2026-06

Builds a constellation of small synthetic aperture radar (SAR) satellites, providing government and commercial customers with day-and-night, all-weather Earth observation data

Series D+ · $1.0B · 2026-06 · Valuation $12B

Training data infrastructure for robotics foundation models

Seed · $35M · 2026-05 · Valuation $200M

Its AI data platform is designed to enable data portability across on-premises, cloud and edge infrastructure

Series D+ · $140M · 2024-05

Develops enterprise AI tools and large language models that convert unstructured documents into structured data

Series B · $117M · 2025-08