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Nuance Labs, founded by ex-Apple researchers, secures $50M Series A led by Lightspeed Venture Partners to advance full-duplex conversational AI models.

PRIVATESep 14, 2026•about 3 hours ago

Amount Raised

$50 Million

Round Type

Series A

SeattleBiotechnologyArtificial IntelligenceMachine LearningNatural Language Processing

Investors

Define VenturesNvidiaSouth Park CommonsAccelLightspeed Venture Partners

Description

Nuance Labs, a Seattle-based AI research lab founded by former Apple PhD researchers, announced a $50 million Series A funding round led by returning investor Lightspeed Venture Partners. The round included participation from returning investors Accel and South Park Commons, alongside new investors NVIDIA and Define Ventures. The funding will accelerate model development, expand the research team, and support the company's first public research preview. Nuance Labs is developing a unified full-duplex foundation model for human conversation and expression that combines speech, language understanding, and facial animation into a single system.

Company Information

Company

Nuance Labs

Location

Seattle, Washington, United States

About

Nuance Labs is a Seattle-based AI research lab founded by former Apple PhD researchers developing a full-duplex foundation model for human conversation and expression. The company creates real-time audiovisual AI systems that perceive and generate speech, facial expressions, and body language simultaneously, enabling natural human-AI interaction. Their technology is designed to understand verbal and non-verbal cues in live conversations, replacing traditional pipelined approaches with a unified model.

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Funding Insights

Based on industry data
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months
Monthly burn rate benchmark
47% of Series A startups spend $400k or more per month on operations
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

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