Vibrant Labs

San Francisco, CA, USA
Founded 2023

Vibrant Labs builds simulation environments and developer workflows for evaluating and training long-horizon AI agents. The company is the creator of Ragas, the leading open-source framework for evaluating LLM applications, and is extending that work into RL-ready environments where agents can safely benchmark, train, and improve before deployment.

Last Updated: March 13, 2026

Current Valuation

No valuation data available

Funding Summary

$2.5M

Total reported funding

Key People

Core OSS Projects

Open-source evaluation and testing framework for LLM applications, providing objective metrics, synthetic test data generation, and production monitoring.

License: Apache-2.0

Business Information

Industries

Software

Technologies

Simulation
AI Agents
AI evaluation
Testing Framework
LLM Evaluation

Sectors

Developers

Licenses

Apache-2.0

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