Companies
Vellum AI
2023
Series A
—
—
- Summary
- AI development platform for designing, testing, deploying, evaluating and monitoring prompts, workflows, RAG pipelines, agents and production LLM applications.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG Document AI LLM Deployment AI Quality & Observability AI Governance & Risk Chatbots Analytics & BI
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Website
- https://vellum.ai/
Vijil
2023
11-50
—
- Summary
- AI agent trust platform for testing, hardening, governing, protecting, and continuously improving mission-critical AI agents.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability AI Governance & Risk Chatbots Analytics & BI
- HQ location
- Menlo Park, CA, USA
- Founded
- 2023
- Website
- https://vijil.ai
webAI
2019
Series A
51-200
—
- Summary
- Sovereign AI platform that helps enterprises build, deploy, and operate custom AI locally on infrastructure they own.
- 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
- HQ location
- Austin, TX, USA
- Founded
- 2019
- Website
- https://www.webai.com
Weights & Biases
2017
Acquired
201-500
—
- Summary
- AI developer platform for training, fine-tuning, evaluating, tracing, monitoring and productionizing AI models, agents and applications; acquired by CoreWeave in 2025.
- 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
- HQ location
- San Francisco, CA, USA
- Founded
- 2017
- Website
- https://wandb.ai/
WhyLabs
2019
Series A
11-50
—
- Summary
- AI observability and control platform for monitoring, improving and securing LLMs, ML models, RAG systems, prompts, data pipelines and AI applications.
- Segments
- AI Workflows AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability Traditional ML AI Governance & Risk Chatbots Analytics & BI
- HQ location
- Seattle, WA, USA
- Founded
- 2019
- Website
- https://whylabs.ai/
Workato
2013
Series C Plus
1001-5000
—
- Summary
- Enterprise orchestration platform combining iPaaS, workflow automation, Enterprise MCP and agentic AI agents for secure cross-system execution.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG Document AI AI Quality & Observability AI Governance & Risk Chatbots Analytics & BI
- HQ location
- Palo Alto, CA, USA
- Founded
- 2013
- Website
- https://www.workato.com
Writer
2020
Series C Plus
1001-5000
—
- Summary
- Full-stack enterprise generative AI platform with Palmyra LLMs, Knowledge Graph/RAG, AI guardrails, AI Studio, APIs and agent-building tools for business workflows.
- Segments
- AI Workflows AI Agents LLM Fine-tuning AI Developer Tools Knowledge & RAG Document AI LLM Deployment AI Quality & Observability Traditional ML AI Governance & Risk Chatbots Analytics & BI
- HQ location
- San Francisco, CA, USA
- Founded
- 2020
- Website
- https://writer.com
Yellow AI
2016
Series C Plus
501-1000
- Summary
- Enterprise agentic AI platform for CX and EX automation.
- Segments
- AI Workflows AI Agents Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents Analytics & BI
- Industries
- Customer Support / CX General Purpose
- HQ location
- San Mateo, California, United States
- Founded
- 2016
- Website
- https://yellow.ai/
Zapier
2011
Seed
201-500
—
- Summary
- AI orchestration and automation platform for building workflows, AI agents, chatbots and apps across 9,000+ SaaS integrations.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG Document AI AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Analytics & BI
- HQ location
- San Francisco, CA, USA (remote-first)
- Founded
- 2011
- Website
- https://zapier.com