Oumi
About
Oumi provides an open-source stack and commercial platform for building specialized AI models. Its tooling spans evaluation, synthetic data, SFT and reinforcement-learning post-training, deployment, and continuous model improvement, with hosted infrastructure as well as self-managed workflows.
What They Offer
Commercial or operational services this company provides.
Rubrics / verifiers
Open-source tooling
Managed infrastructure
Products & Public Artifacts
Oumi OSS
Framework · Open source
Open-source framework for model data, SFT, DPO, GRPO, multimodal training, evaluation, inference, and deployment workflows.
Visit artifact →Oumi Platform
Tool · Commercial
Hosted platform for evaluation, data synthesis, training, deployment, and continuous model improvement.
Visit artifact →Technical Capabilities
Tool / API / MCP UseProgrammatic VerifiersMultimodal
Only publicly documented capabilities are shown. Absence does not imply the capability is unavailable.
Focus Areas
Training DataRLHF / Post-training
Domains
Software Engineering
Leadership
Manos Koukoumidis
Co-Founder & CEO
Matthew Persons
Co-Founder - Engineering
Jeremiah Greer
Co-Founder - Research
William Zeng
Co-Founder - Engineering
Kostas Aisopos
Co-Founder - Research