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Weights & Biases

San Francisco, US · 201-500 employees · Software Publishers · wandb.ai

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.

Funding

1
Every round, secondary, debt facility or acquisition involving Weights & Biases that AI Lounge tracks, newest first. Latest: Acquisition on Mar 4, 2025.
Weights & Biases logo
CoreWeave (acquirer) · AI developer tools
$1.7B

Timeline · 2

Mar 4, 2025
Round

In the news

1
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