Side-by-Side Comparison
| Metric | Speakeasy | Vellum |
|---|---|---|
| Founded | ||
| Founded | 2022 older | 2023 |
| Headquarters | ||
| Headquarters | San Francisco, United States | New York, United States |
| Employees | ||
| Employees | 42 | 38 |
| Industry | ||
| Industry | API | Information Technology, Platforms |
| Funding Stage | ||
| Funding Stage | Seed | Seed |
| Total Funding | ||
| Total Funding | $10.90M | $5.50M |
| Funding Rounds | ||
| Funding Rounds | 2 | 3 |
| Services | ||
| Services | Not tracked yet | AI Agent Lifecycle Management, AI Deployment and Monitoring, Model Evaluation and Comparison, SDK for AI Development, Prompt Design and Testing |
| Target Customers | ||
| Target Customers | Not tracked yet | Enterprise-grade Companies, Product Managers, AI Engineers, Healthcare Service Providers, Global Enterprises |
| Taxonomy | ||
| Taxonomy | API Development, SDKs, Developer Experience, Integration, Terraform Providers, User Adoption, Native-language SDKs, API Documentation, Developer-friendly, User Delight | Enterprise AI Platform, Mission Critical AI, AI Product Development, AI Reliability, Test-driven AI Development, AI Monitoring, AI Evaluation, AI Solution Deployment, AI Software Engineering, AI Innovation, AI Reliability Testing, AI Product Lifecycle, AI Solutions Management, AI Development Tools |
| Website | ||
| Website | speakeasyapi.dev | vellum.ai |
About Speakeasy
Speakeasy is a United States-based startup founded in 2022, which has garnered attention with its slogan, "🐝 World-class Developer Experience for your API 🐝". The company aims to simplify the process of creating and consuming any API by providing production-quality developer surfaces. Their offeri...
About Vellum
Vellum is positioning itself as a key player in the Information Technology and Platforms industries with its enterprise platform designed to build mission-critical AI products. Founded in 2023 in the United States, Vellum offers a robust platform for developing, evaluating, and monitoring AI solutio...
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Funding, hiring, leadership and stack changes at Speakeasy and Vellum — by email.
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Compiled from the BounceWatch company index. We last looked at Speakeasy on 12 Sep 2024, and Vellum on 5 Sep 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.