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Sieve builds exabyte-scale data infrastructure for AI, specializing in video data indexing, annotation, and understanding to develop datasets for video modeling.
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AfterQuery
AfterQuery is a San Francisco-based applied research lab that develops data solutions for frontier foundation models by capturing expert knowledge and reasoning processes.
Founded in 2024, AfterQuery is an applied research laboratory based in San Francisco. The company focuses on developing data solutions for frontier foundation models by capturing tacit expert knowledge and structured reasoning processes.
AfterQuery provides several specialized data products. These include supervised fine-tuning datasets featuring chain-of-thought reasoning traces, data for reinforcement learning with expert-designed rubrics, and data for agent environments involving API and tool interactions. The company also supplies trajectory data for computer use across browser and desktop environments.
The firm has raised $30 million in Series A funding and reports an annual revenue run rate exceeding $100 million. Its work is situated within the data engineering and applied AI research domains, serving artificial intelligence laboratories.
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