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§ Private Profile · Stockholm, Sweden
Rerun is a technology company.
Rerun develops a physical data platform offering unified infrastructure for robotics learning. Its core product encompasses an open-source visualization library for spatial and embodied AI, alongside a data platform designed for ingesting, managing, and transforming large-scale robotics data. This system enables users to consistently explore, build, evaluate, and debug complex computer vision and robotics applications by providing powerful tools for data visualization, query, and transformation.
The company was founded by Nikolaus West, Emil Ernerfeldt, and Moritz Schiebold. Their collective insight arose from experiencing the central role of effective visualization tooling in successfully deploying computer vision and AI into physical environments. This recognition of a fundamental need for better debugging and analysis capabilities in applied AI development spurred the creation of Rerun.
Rerun primarily serves developers, engineers, and researchers engaged in robotics and computer vision, particularly within the domain of physical AI. The company's vision centers on accelerating the pace of robotics learning by enabling rapid iteration and clearer data insights. It strives to simplify data pipelines and scale infrastructure, empowering teams to dedicate their efforts to intelligence building rather than infrastructure management, ultimately driving advancements in physical AI.
Rerun has raised $23.2M across 3 funding rounds.
Rerun has raised $23.2M in total across 3 funding rounds.
Rerun (rerun.io) is a Stockholm-based technology company founded in 2022 that builds an open-source multimodal data platform for physical AI applications, including robots, drones, and autonomous vehicles. It provides tools for logging, visualizing, and debugging complex spatial data like video streams, 3D scenes, and tensors, addressing gaps in traditional AI and robotics infrastructure.[1][4][5] The platform serves AI developers and robotics teams at companies like Meta, Google, Hugging Face, and Unitree, solving the problem of inefficient data handling for "embodied AI" by enabling visual debugging, time-travel analysis, and seamless integration with machine learning workflows.[1][5] With $20.2 million in total funding, including a $17 million seed round in March 2025 led by Point Nine, Rerun shows strong growth momentum through rapid adoption in open-source ecosystems and contributions to projects like Meta's Project Aria.[1][4]
Rerun was founded in 2022 by a team of engineers with deep expertise in computer vision, gaming, and systems programming, motivated by their prior experiences building visualization tools for physical AI products.[2][4] Co-founder and CEO Nikolaus West (Niko), a Stanford-trained computer vision expert and second-time founder, teamed up with CTO Emil Ernerfeldt, creator of the popular Rust GUI framework egui and a gaming industry veteran focused on fast tools.[1][2] Other key members include Moritz (ex-CEO of 3D scanning leader Volumental), Clement (Zenly data infrastructure alum and voxel rendering enthusiast), and Andreas (Unity and Microsoft Havok engine expert, maintainer of Rust WebGPU).[2] The idea emerged from rebuilding visualization tools across multiple products, realizing the need for a general-purpose stack to accelerate computer vision in the physical world—uniting the team around AI's transformative potential while prioritizing work-life balance.[2]
Early traction came from open-source contributions, with Rerun's visualizations integrated into projects by Meta, Google, and others, building trust and leading to the oversized $17 million seed from Point Nine, Sunflower Capital, Costanoa Ventures, and Seedcamp.[1]
(Note: A separate London-based consultancy at rerun.tech offers unrelated engineering services; the AI platform is distinctly at rerun.io.[3])
Rerun rides the physical AI boom—exploding demand for robots, drones, and cars powered by multimodal AI, where traditional tools fail on spatial data complexity.[1] Timing is ideal amid 2025's robotics funding surge and open-source AI shifts, with market forces like sensor proliferation (e.g., Meta's Aria) and Gaussian splatting advancements favoring scalable visualization.[1][5] It influences the ecosystem by standardizing physical AI workflows, bridging ML and robotics gaps, and accelerating innovation at hyperscalers—its open-source model democratizes tools, much like egui did for Rust GUIs, potentially becoming infrastructure for embodied AI.[1][2][5]
Rerun is poised to dominate physical AI dev tools, expanding its managed cloud infrastructure for enterprise-scale data and deepening integrations (e.g., more ROS2, MCAP enhancements).[5] Trends like egocentric AI, real-time autonomy, and Rust's rise in systems programming will propel growth, with potential for acquisitions by robotics giants or expansion into adjacent sectors like AR/VR.[1][2] As physical AI matures, Rerun's open-source trust and visualization edge could evolve it from dev tool to full ecosystem platform, fueling the next wave of real-world AI deployment—revving up from its strong 2025 seed to redefine how teams build the physical future.
Rerun has raised $23.2M in total across 3 funding rounds.
Rerun's investors include Point Nine Capital, 500 Emerging Europe, Air Street Capital, Alt Capital, Andreessen Horowitz, Craft Ventures, Creandum, Davidovs VC, Flex Capital, Floodgate, Founder Collective, LGF.
Rerun has raised $23.2M across 3 funding rounds. Most recently, it raised $17.0M Seed in March 2025.