
Weights & Biases: the AI developer platform. Build better models faster, fine-tune LLMs, develop GenAI applications with confidence, all in one system of record developers are excited to use. W&B Models is the MLOps solution used by foundation model builders and enterprises who are training, fine-tuning, and deploying models into production. W&B Weave is the LLMOps solution for software developers who want a lightweight but powerful toolset to help them track and evaluate LLM applications. Weights & Biases is trusted by over a 1,000 companies to productionize AI at scale including teams at OpenAI, Meta, NVIDIA, Cohere, Toyota, Square, Salesforce, and Microsoft. Sign up for a 30-day free trial today at http://wandb.me/trial.

Weights & Biases: the AI developer platform. Build better models faster, fine-tune LLMs, develop GenAI applications with confidence, all in one system of record developers are excited to use. W&B Models is the MLOps solution used by foundation model builders and enterprises who are training, fine-tuning, and deploying models into production. W&B Weave is the LLMOps solution for software developers who want a lightweight but powerful toolset to help them track and evaluate LLM applications. Weights & Biases is trusted by over a 1,000 companies to productionize AI at scale including teams at OpenAI, Meta, NVIDIA, Cohere, Toyota, Square, Salesforce, and Microsoft. Sign up for a 30-day free trial today at http://wandb.me/trial.
What they do: AI developer platform for building, training, evaluating, monitoring, and deploying ML and LLM applications
Founded: 2017 in San Francisco
Founders: Lukas Biewald, Chris Van Pelt, Shawn Lewis
Reported total funding: $250M
Notable products: W&B Models, Training, Inference, Weave, Registry
MLOps, experiment tracking, LLMOps, model lifecycle management, and enterprise AI deployment
2017
Software Development
$5,000,000
$15,000,000
$45,000,000
$135,000,000
$50,000,000
Reported valuation at $1.25B at time of the investment
“Coatue; Insight Partners; Felicis; BOND; Bloomberg Beta; Sapphire Ventures; Daniel Gross; Nat Friedman; NVIDIA”
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