Company Overview
Vellum is a New York-based AI development platform that provides end-to-end infrastructure for building production-ready LLM applications, enabling developers to engineer prompts, evaluate models, and deploy reliable AI solutions at scale. Founded in 2023 by Noa Flaherty, Sidd Seethepalli, and Akash Sharma as part of Y Combinator's Winter 2023 batch, the company has raised $24.5M in total funding, including a $20M Series A in July 2025. With 23 employees, Vellum serves enterprise AI application builders and maintains consistent 15% monthly revenue growth.
Open Positions
Reddit Discussions
Key Differentiators
Strong Challenger
Vellum is an established challenger with significant market presence and competitive offerings in Infrastructure.
Frequently Asked Questions
AI Visibility Rankings
How Vellum performs in AI search results
Unlock AI Visibility Tracking for Vellum
See exactly how Vellum ranks across ChatGPT, Gemini, Perplexity, Claude, and Grok. Get actionable insights to improve your AI search performance.
Join 1,000+ brands · Free 7-day trial · No credit card required
Not So Random Others
Assurtiv
Assurtiv Technologies Private Limited represents the newest generation of GRC (Governance, Risk, and Compliance) platform innovation, incorporated in October 2024 in Hyderabad, India. As a recently la
Manus
$75M April 2025 (Benchmark $500M); 2M+ waitlist; 29 tools; Browser Use integration; China's DeepSeek moment
Focal Systems
Focal Systems provides AI-powered shelf monitoring using computer vision to give retailers real-time visibility into inventory. The company's ruggedized cameras and FocalOS software have been deployed
Crustdata
$6M Seed (YC/A Capital); Garry Tan doubling down; $4M+ revenue; YC/agent.ai/MNTN clients; YC F24
Boom Supersonic
Boom Supersonic is developing the Overture, a supersonic passenger aircraft designed to fly at Mach 1.7. The company has 130 aircraft orders from United Airlines, American Airlines, and Japan Airlines
Datacurve
$15M Series A (Chemistry); Balaji Srinivasan seed; DeepMind/Anthropic/OpenAI angels; $1M+ bounties; Serena Ge founder; YC
Compare with Other Brands
See how Vellum stacks up against competitors with our detailed comparison tool.
Start Comparison