G5 provides an ontology‑centric development platform that lets AI developers define, version, and manage structured knowledge bases which directly drive autonomous agent decision‑making.
Funding
$76M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

Founders
Product
Problem
Developers building autonomous AI agents often struggle with fragmented knowledge representations, making it difficult to ensure consistent behavior and rapid integration of new capabilities across complex workflows.
Solution
G5 offers an ontology‑centric development platform that lets teams define, version, and manage structured knowledge bases which directly drive agent decision‑making. By centering on reusable ontologies, the platform enables modular composition of agentic workflows, allowing developers to prototype, test, and deploy autonomous agents more efficiently. Integrated tooling provides validation, visualization, and runtime access to the ontologies, ensuring that agents act on coherent and up‑to‑date information. The system also supports seamless integration with existing AI models and external services, reducing the engineering overhead required to build sophisticated, knowledge‑driven agents.
Target Audience
Primary users are AI developers, data scientists, and product teams building autonomous agents or complex AI‑driven applications that require structured knowledge management.
Features
- Graph‑based ontology editor with version control and collaborative sharing
- Runtime API that exposes ontology queries to autonomous agents for context‑aware actions
- Modular workflow builder that links ontology components to AI model pipelines and external APIs
- Automated consistency checking and validation tools to prevent contradictory knowledge entries
- Visualization dashboard for real‑time monitoring of ontology changes and agent behavior impact