Nous Research

Nous Research

World-class open source AI

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Nous Research develops world-class open source AI models & harness. Best known for the Hermes series, recognized for strong reasoning, human alignment, and creative flexibility.

Nous Research

Launch date
Hermes Desktop
Hermes DesktopThe agent that grows with you

Launched on June 3rd, 2026

Hermes Agent
Hermes AgentAn open source terminal agent that builds its own skills

Launched on February 26th, 2026

Hermes 4
Hermes 4Powerful reasoning model that's aligned to you

Launched on August 29th, 2025