Developer tools

Hegel AI

Website

We build tools for developing applications with generative AI models. Whether you are using LLMs, vector databases, and text-to-image models like Stable Diffusion, our tools help you find the right model, prompt, configuration and consistently monitor their behaviors in production. --- **PromptTools**: the first open-source, developer-focused

Founded 2023Origin source ↗Checked 2026-11-11

Overview

We build tools for developing applications with generative AI models. Whether you are using LLMs, vector databases, and text-to-image models like Stable Diffusion, our tools help you find the right model, prompt, configuration and consistently monitor their behaviors in production.

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**PromptTools**: the first open-source, developer-focused SDK for experimenting with and evaluating prompts, models, and vector databases. You can try the repo here: https://github.com/hegelai/prompttools. If you're building with LLMs and struggling with evaluation, reach out and we can help.

Company description As recorded 2026-11-08
Developer toolsAPI platformDevelopersDevelopersOpen source commercial

Founders & team

Previously Moxi: Model Exchange Infrastructure

Company history As recorded 2026-11-08

Kevin Tse

Founder

Building open-source developer tools for large language models at Hegel AI. Happy to connect and chat about how your company is using AI and LLMs!

LinkedIn
Founder profile As recorded 2026-11-11
2team members reported
Source-reported As recorded 2026-11-11

Founded 2023 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationsite error
Last website check2026-11-11
Location · source statedNew York City, NY, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The latest website check does not confirm this company’s website.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding year
startup.observe Directory coverage · Sources & method