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May 2026PitchBook labeled Hegel AI as 'out of business' in its 2026 company profile, which conflicts with other public pages and more recent activity. Treat as a risk/conflict signal rather than a confirmed shutdown.
SourceCompany research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Hegel AI is a YC S23, developer-tools startup building an open-source platform for evaluating, testing, and monitoring generative AI applications and LLM workflows. Its core product is PromptTools, a self-hostable SDK/playground for prompts, models, and vector databases; public sources disagree on HQ/status, but the company remains publicly active in 2026.
Primary product
PromptTools — an open-source SDK/playground for experimenting with, evaluating, and monitoring prompts, LLMs, and vector databases.
Founded
2023
Headquarters
San Francisco, California, United States (LinkedIn); YC also lists New York City, NY.
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
Developer tools for large language model evaluation and monitoring
Open Positions
0 jobs at Hegel AI
No open positions
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