Relari

Active

AI Agent Builder for Software 3.0

Winter 2024Founded 20242 peopleSan Francisco, CA, USA

www.relari.ai/ ↗LinkedIn ↗X ↗GitHub ↗See on the Idea Map B2B momentum

About

Relari is building the infrastructure for trustworthy AI agents in the Software 3.0 era. We’re the company behind Nuvi.dev — a natural language agent builder that turns plain-English specifications into intelligent, verifiable agents — as well as the open-source frameworks Agent Contract and continuous-eval, which ensure AI systems behave as intended.

From their website

as of Jun 7, 2026www.relari.ai ↗

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Relari provides an AI agent builder aimed at Software 3.0, turning natural language specifications into reliable, testable agents with no code. They position AI as something crafted with intent rather than magic, focusing on agents that work on purpose.

Nuvi is the AI agent builder for Software 3.0. It converts natural language specs into agents that are reliable and testable, with no-code capabilities. The product emphasizes designing intelligent agents through a workflow of crafting specifications and turning them into functioning agents, with features like agent contracts and continuous eval mentioned on the site.

Who it’s for: Software teams and builders who want to create AI agents without coding, seeking reliable and testable agents for Software 3.0 environments.

Features

no-code agent creation
natural language to agent specs
reliable and testable agents
agent contracts
continuous evaluation
designing AI with intent

mentions of Nuvi product, 2025 copyright; branding around No-code agent builder and continuous eval, potential traction signals but no explicit customers or funding details.

Founders · 2

Yi ZhangFounder

Harvard

Co-Founder & CEO of Relari. Previously building autonomous cars & trucks at Pony.ai and warehouse robots at Dexterity.ai. Harvard MBA.

LinkedIn ↗X ↗

Pasquale AntonanteFounder

Nvidia

MIT

Co-Founder & CTO of Relari. I have a PhD from MIT focusing on the reliability of complex AI systems such as autonomous cars. Previously at NVIDIA and Raytheon Technologies (previously United Technologies).

LinkedIn ↗

Launch

Launched on Y Combinator · Mar 2024

View launch post ↗

Relari helps AI teams simulate, test, and validate complex GenAI applications throughout the development lifecycle.

Relari provides an open-source platform to simulate, test, and validate complex GenAI pipelines using modular evaluation, synthetic data, and human-aligned evaluators to improve reliability in mission-critical AI applications such as compliance copilots, enterprise search, and financial assistance.

From the original launch (Mar 2024) — may be outdated.