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Lucid

YC W25

San Francisco, US · Founded 2024 · 3 employees · Hiring · 6 known investors

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Lucid develops video models that simulate interactive three-dimensional environments by using neural networks in place of traditional game engines, enabling real-time control and visual generation on consumer hardware.

Also known as Lucid Simulations, Corp

ConsumerUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W25)

Lucid was founded in 2024 by Rami Seid.

RSRami Seid
Rami SeidCTORami Seid worked as a machine learning engineer at a robotics laboratory and later served as CTO of a government technology contracting firm. He co-founded a telecommunications company and currently leads development of a universe simulator at Lucid.
AH
Alberto Hojel

Investors · 6

Evolution VC Partnerslisted by Evolution VC PartnersNew York
Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Amplify PartnersreportedMenlo Park · $500K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Makers FundreportedSingapore · $500K – $40M

How we know: Y Combinator's founder network · Not right? Tell us

Samsung NextreportedMountain View · $100K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

Lucid Software, Inc.Lucid provides cloud-based visual collaboration and communication software for teams to visualize workflows, create diagrams, whiteboards, and roadmaps. The platform serves enterprise customers across Fortune 500 companies and is used by over 100 million individual users globally.
Lucid ComputingLucid Computing builds hardware-encrypted compute clusters with verifiable AI audit trails for enterprises and institutions requiring confidentiality and regulatory compliance. The platform runs inference in Trusted Execution Environments and generates cryptographic receipts proving data residency, policy compliance, and model identity.
LucidLinkLucidLink is a cloud-native file access platform that streams data on demand, enabling teams to collaborate on large files instantly without downloading or syncing. It integrates natively with existing tools like Adobe Creative Cloud and AutoCAD, serving creative and technical teams working on content creation and design across distributed locations.
Leonardo AIA generative content platform for rapidly producing high-quality visual assets.
Lucidic AILucidic builds a platform for optimizing AI agent behavior through automated simulations and parameter tuning. The platform helps teams improve agent reliability, accuracy, and performance across customer-facing applications by systematically varying design choices like prompts, tools, policies, and guardrails.

Companies working in the same space as Lucid.

Legal entities · 1

corporate structure
Lucid Simulations, Corp

In the news

Lucid: Generative Simulations powered by Fast World Modelsycombinator.com · Feb 2025

Frequently asked questions

What does Lucid do?
Lucid develops video models that simulate interactive three-dimensional environments by using neural networks in place of traditional game engines, enabling real-time control and visual generation on consumer hardware.
Who founded Lucid?
Lucid was founded by Rami Seid in 2024.
Who are Lucid's investors?
Lucid's investors include Crew Capital, Evolution VC Partners, Y Combinator, Amplify Partners, Makers Fund, Samsung Next.
Where is Lucid headquartered?
Lucid is headquartered in San Francisco, US.