Slang AI
Category: AI in Retail / E-commerce
Slang AI is a voice AI platform purpose-built for the hospitality industry, providing an AI-powered phone answering solution that handles reservations, guest inquiries, and private dining/catering requests for restaurants 24/7. Slang AI was founded in 2019. The company is led by Alex Sambvani. Based in New York, United States. Team size: 101-500. Total funding raised: $68M. Latest round: Series B. Key investors include U.S. Venture Partners (USVP), Homebrew, Stage 2 Capital, Wing VC, Underscore VC, Active Capital, Collide Capital, Path Ventures, Intuitive Truth Ventures, Thayer Investment Partners, Claire Hughes Johnson (former Stripe COO).
- Founded
- 2019
- Headquarters
- New York, United States
- Team size
- 101-500
- Total funding
- $68M
Value proposition
Slang AI ensures no guest call goes unanswered, capturing up to 50% more phone reservations, saving staff up to 200 hours/month, and delivering 96%+ guest satisfaction — all with a 30-minute setup and 20x ROI.
Products and solutions
Slang AI Superhost — an AI voice agent that answers inbound calls 24/7, handles reservations, private dining and catering inquiries, routes high-value requests to staff, recognizes returning guests/VIPs, and integrates with OpenTable, SevenRooms, Tripleseat, and Yelp.
Unique value
Proprietary dataset of 25M+ real guest calls across 2,000+ restaurant locations gives Slang AI an insurmountable data moat in understanding how guests communicate with restaurants, enabling warm, human-like voice interactions that consistently achieve 95%+ CSAT.
Target customer
Full-service restaurants, restaurant groups, hotels, and venues (hospitality industry)
Industries served
Restaurants / Hospitality, Hotels, Venues
Technology advantage
Proprietary dataset of 25M+ hospitality-specific calls creating a compounding data moat; custom-trained agentic voice AI for hospitality; SOC 2 compliant; integrations with major reservation platforms; 30-minute no-code setup.
How they differentiate
Purpose-built exclusively for hospitality (not a generic call center solution); proprietary dataset of 25M+ calls from 10M+ unique guests; 95%+ guest satisfaction scores; deep integrations with OpenTable, SevenRooms, Tripleseat, Yelp; 30-minute setup; measures CSAT directly; VIP call routing and cross-restaurant group selling.
Main competitors
Loman AI, Bite Buddy, Revmo AI, SoundHound, OpenTable Voice AI (via PolyAI)
Key partnerships
OpenTable, SevenRooms, Tripleseat, Yelp
Notable customers
Texas de Brazil, Carmines, Riot Hospitality Group, DineAmic Hospitality, Founding Farmers Restaurant Group, Bluegrass Hospitality Group, The Fireman Hospitality Group, Merchants Hospitality Group, Yes Parade Restaurant Group, Cul+ure Collective, Red Rocks Café, Slutty Vegan
Major milestones
Founded 2019 by Alex Sambvani and Gabe Duncan (ex-Spotify data scientists), First institutional capital from Underscore VC in 2020, $20M Series A (emerged from stealth) in June 2023 led by Homebrew, Named one of Fast Company's Most Innovative Companies in Dining for 2024, $36M Series B in February 2026 led by USVP, 2,000+ restaurant locations served, 25M+ guest calls handled, 95%+ guest satisfaction.
Growth metrics
2,000+ restaurant locations; 25M+ guest calls handled; 10M+ unique guests served; 95%+ guest satisfaction; up to 20x ROI; up to 2x increase in phone reservations; 72-73 employees (as of mid-2026)
Market positioning
Category leader in AI-powered voice for hospitality — first and leading AI platform purpose-built for the restaurant/hospitality industry, serving 2,000+ locations globally.
Geographic focus
United States (primary), with global expansion underway
About Alex Sambvani
Ex-Spotify Data Scientist; Harvard Business School. Won global robotics competition in high school.
Latest news about Slang AI
More AI in Retail / E-commerce companies
Official website: https://www.slang.ai