An independent wayfinding guide to replacing a personal AI assistant with Kortix, the open-source AI Operating System, and comparing the Vellum alternatives. https://vellumalternative.com/ 2026-10-14T00:00:00Z Vellum Alternative https://vellumalternative.com/ 2026-10-14T00:00:00Z

Compare Kortix, the open-source AI Operating System, with Vellum, a personal AI assistant: self-hosting, models, memory and team scope side by side.

If you want an open-source alternative to Vellum that a whole team shares, the difference is scope. Vellum is a personal AI assistant, and its own page says it is open source. Kortix is the open-source AI Operating System: your agents, skills, company memory, and connectors in one git repo you own. https://vellumalternative.com/kortix-vs-vellum 2026-10-14T00:00:00Z

Kortix vs Vellum: Kortix is the open-source AI Operating System for a team; Vellum is a personal AI assistant for one person. Compared side by side.

Kortix and Vellum are both open source and both run on your own hardware, and they are built for different owners. Kortix is the open-source AI Operating System a team runs agents on. Vellum is a personal AI assistant that runs on your Mac or in its cloud. https://vellumalternative.com/vellum-pricing 2026-10-14T00:00:00Z

Vellum is free to download, with cloud plans from $30 to $200 a month. Kortix is the open-source alternative, free to self-host or $40 per seat a month.

Vellum is free to download, and its cloud plans run from $30 to $200 a month. Kortix is the open-source alternative: self-host it for free, or pay $40 per seat each month on the managed cloud. https://vellumalternative.com/self-hosting 2026-10-14T00:00:00Z

Kortix is the open-source AI Operating System. Self-host it on your own server with three commands, or run it in your VPC, on-prem, or the managed cloud.

Kortix is open source, and self-host is free. Run the whole platform on your own server or in your cloud, keep your data and your keys, and give every agent session its own cloud computer. https://vellumalternative.com/vellum-alternatives 2026-10-14T00:00:00Z

Compare open-source Vellum alternatives: Kortix, the open-source AI Operating System for a team, with Vellum, OpenClaw, and Hermes Agent.

The Vellum name covers more than one product, so the right fit depends on the job. Kortix is the open-source AI Operating System for a whole team. Vellum, OpenClaw, and Hermes Agent are self-hostable assistants built around one person.