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Keyframe Labs

YC X26

San Francisco, US · Founded 2025 · 2 employees · 14 known investors

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Keyframe Labs provides AI video personas that turn text and voice agents into lifelike video call experiences. The platform enables developers to deploy conversational video agents across enterprises, consumer apps, training platforms, and recruiting with production-grade, secure deployments.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSArtificial IntelligenceB2BAPIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

Keyframe Labs was founded in 2025 by Parth Radia and Kaahan Radia.

PRParth Radia
Parth RadiaCo-founderHe previously spent five years at Ericsson leading a team working on foundation models for voice and video synthesis, and earlier held a research scientist position at AT&T Labs developing neural architectures for 3D telepresence applications. He holds a B.S. in Computer Science from UCLA.
KRKaahan Radia
Kaahan RadiaCo-FounderHe previously served as a Perception Engineer at Zipline for five years, developing computer vision and detection systems for autonomous drones. He holds a B.A. in Computer Science from UC Berkeley and has published research in computer vision and machine learning.

Investors · 14

Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M

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

Scribble Ventureslisted by Scribble VenturesPortola Valley · $750K – $1.5M

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

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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Zero Indexlisted by Zero Index

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Acacia Venture Capital Partnersreported

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Agrolimen Venturesreported

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ALLEGIS CAPITALreportedPalo Alto · $10M

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Andreessen HorowitzreportedMenlo Park · $500K – $50M

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Founders FactoryreportedLondon · $150K – $200K

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Peak XV PartnersreportedBengaluru · $100K – $10M

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RobinhoodreportedMenlo Park

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Team IgnitereportedFolsom · $15M

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Volo VenturesreportedBend · $100K – $300K

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Related companies · 6

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DownlinkDownlink provides an API platform that optimizes large language model performance by increasing throughput, reducing latency, and improving accuracy.
VespperVespper builds a document infrastructure platform for regulated industries, with initial focus on pharmaceutical and clinical workflows. The platform serves regulated organizations handling sensitive documents in highly compliance-driven environments.
InteguruInteguru generates production-ready APIs for websites and web systems by analyzing network requests and reverse-engineering underlying APIs, eliminating the need for browser automation or RPA. The platform serves developers and teams building integrations across SaaS, healthcare, banking, logistics, and enterprise software.
SalusSalus is a policy-aware proxy that intercepts and manages AI agent actions, allowing, clarifying, repairing, or escalating tool calls without requiring changes to the underlying agent or stack. It serves developers and teams building AI agents across LLMs and agentic frameworks.
QuantstructQuantstruct automates software documentation creation and maintenance by integrating with development tools, codebase events, and support channels to generate and update technical documentation. It serves software development teams and organizations that need to keep their documentation current across multiple tools and workflows.

Companies working in the same space as Keyframe Labs.

Legal entities · 1

corporate structure
Keyframe Labs, Inc.

In the news

Keyframe Labs - turn AI into lifelike video callsycombinator.com · Apr 2026

Frequently asked questions

What does Keyframe Labs do?
Keyframe Labs provides AI video personas that turn text and voice agents into lifelike video call experiences. The platform enables developers to deploy conversational video agents across enterprises, consumer apps, training platforms, and recruiting with production-grade, secure deployments.
Who founded Keyframe Labs?
Keyframe Labs was founded by Parth Radia, Kaahan Radia in 2025.
Who are Keyframe Labs's investors?
Keyframe Labs's investors include Eudemian Ventures, Rebel Fund, Scribble Ventures, Y Combinator, Zero Index, Acacia Venture Capital Partners, Agrolimen Ventures, ALLEGIS CAPITAL and 6 more.
Where is Keyframe Labs headquartered?
Keyframe Labs is headquartered in San Francisco, US.