/Companies

SID

YC S23

San Francisco, US · Founded 2023 · 7 employees · Hiring · 5 known investors

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SID trains agentic search models that improve search accuracy and performance on complex search tasks by providing better contextual understanding. The company develops AI models designed to connect intelligence to the world through advanced search capabilities.

Also known as SID Tech Inc.

Founders & leadership· Y Combinator alumni (S23)

SID was founded in 2023 by Maximilian-David Rumpf and Lotte Seifert.

MRMaximilian-David Rumpf
Maximilian-David RumpfFounderMaximilian-David Rumpf is CEO of SID.ai and previously worked as a researcher at ETH Zürich on AI accelerator design, collaborating with the designer of Google's TPU architecture.
LSLotte Seifert
Lotte SeifertFounderLotte Seifert holds a computer science degree from ETH Zürich and an economics degree from the University of St. Gallen, and works on data ownership and control solutions.
NI
Nathan IrnigerFounding Research Engineer
SD
Sam DaunceyFounding Research Engineer
GV
Georgijs Vilums
LR
Lukas Ruflair

Investors · 5

Related companies · 6

UnifyUnify provides AI agents that handle routine business tasks across communications, sales, operations, and engineering by executing pre-built workflows or custom automation. The service serves tech-focused companies and teams looking to offload administrative and repetitive work.
Sentinel OneSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.
PipeshiftPipeshift provides managed inference infrastructure for deploying and scaling AI models with low latency and high reliability. The platform serves developers and teams building real-time AI agents, offering dedicated GPU clusters, custom SLA management, and model optimization tools.
Mica AIMica provides AI agents that automatically identify and resolve data quality errors in data pipelines, reducing the need for manual human intervention and lowering operational costs for data-driven organizations.
RunAnywhereRunAnywhere is a research-first inference lab that hand-writes GPU kernels and develops SDKs to accelerate large language model inference on consumer silicon, particularly Apple devices. The company provides inference runtime software and open-source tools for developers deploying AI models on mobile and edge devices.
HuntressHuntress provides enterprise-grade cybersecurity solutions designed for businesses of all sizes, focusing on threat detection and response to protect organizations against hackers.

Companies working in the same space as SID.

Legal entities · 1

corporate structure
SID Tech Inc.

In the news

Frequently asked questions

What does SID do?
SID trains agentic search models that improve search accuracy and performance on complex search tasks by providing better contextual understanding. The company develops AI models designed to connect intelligence to the world through advanced search capabilities.
Who founded SID?
SID was founded by Maximilian-David Rumpf, Lotte Seifert in 2023.
Who are SID's investors?
SID's investors include Y Combinator, General Catalyst, Canaan Partners, GoodFin Ventures, Rebel Fund.
Where is SID headquartered?
SID is headquartered in San Francisco, US.