Together AI
Open-source AI cloud — inference, fine-tuning, and GPU clusters
AI
📍 San Francisco, CA
Founded 2022
Current Valuation
$3.3B
as of 2025-Q1
UNICORN
Together AI runs the largest open-model inference cloud and offers GPU cluster rentals for training. Founded by ML systems researchers; closed $305M Series B in early 2025 at $3.3B.
Company Profile
Last Round
Series B — $305M (Feb 2025) · Lead: General Catalyst
IPO Status
no imminent plans
Founders & Key People
Vipul Ved PrakashCe ZhangChris RePercy Liang
Investors
General Catalyst · Salesforce Ventures · Nvidia · Coatue · Lux Capital · a16z
Products
- Together Inference
- Together Fine-Tuning
- Together GPU Clusters
- RedPajama (datasets)
Competitors
Anyscale · Lambda · CoreWeave (CRWV) · Replicate
AI InfraOpen Source
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q1. Refreshed quarterly.