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Compare up to four researched companies across market position, company facts, financial context, and classifications.
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Select companies in the slots below to reveal a useful side-by-side view. You can compare up to four companies and change any selection later.
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| Description | ||||
| Summary | AI developer platform for training, fine-tuning, evaluating, tracing, monitoring and productionizing AI models, agents and applications; acquired by CoreWeave in 2025. | |||
| Description | W&B Models and Weave support experiment tracking, model training, fine-tuning, inference, evaluation, tracing, monitoring and production AI application development, integrated with CoreWeave cloud after acquisition. | |||
| Positioning | AI developer platform for models, agents, evaluation and observability | |||
| Key facts | ||||
| HQ location | San Francisco, CA, USA | |||
| Founded | 2017 | |||
| Employee range | 201-500 | |||
| Funding stage | Acquired | |||
| Company type | Unknown | |||
| Pricing model | subscription, usage based | |||
| Last updated | Jun 21, 2026 | |||
| Financials | ||||
| Revenue estimate | Unknown | |||
| Valuation estimate | $1.7B (acquisition price) | |||
| Investments | Acquired by CoreWeave for $1.7B (March 2025). Pre-acquisition: $250M raised (Coatue, GV, Insight Partners, NVIDIA) | |||
| Relationships | ||||
| Target customers | AI labs, ML engineers, AI developers and enterprise model/application teams | |||
| Key competitors | Arize AI, Neptune.ai | |||
| Known customers | OpenAI, NVIDIA, AstraZeneca, Canva, Snowflake | |||
| Segments & Industries | ||||
| Segments | AI Workflows, AI Agents, LLM Fine-tuning, AI Developer Tools, Knowledge & RAG, LLM Deployment, AI Quality & Observability, Traditional ML, AI Governance & Risk, Chatbots, Analytics & BI | |||
