ColBERT-Zero
Released by lightonai in 2026, ColBERT-Zero is an embedding model. ColBERT-Zero is an open-weights embed model.
by lightonai
Best for
Ways to use ColBERT-Zero in osFoundry
Connect with your own key (BYOK)
Open the key dialog and paste your lightonai API key. osFoundry discovers ColBERT-Zero automatically — assign it to a Maestro role (router, direct, orchestrator, or fallback) in the Pipeline tab and it is live in every chat. Your key, your provider account — no token markup.
Deploy a dedicated endpoint
ColBERT-Zero is open-weights — run it locally for free, or deploy a dedicated GPU endpoint in your workspace for reserved capacity with no rate limits.
Use it in a Room App
Room Apps declare AI features in their manifest, then call them with invokeAI:
import { invokeAI } from '@osfoundry/app-sdk'
// 'summarize' is an AI feature declared in your app manifest.
const result = await invokeAI('summarize', userText)
Call it from your own apps
Once a model is wired into your workspace you can host it as an API and reach it from your own services, scripts, or CI — outside osFoundry.
ColBERT-Zero vs similar models
Licence
Unspecified — Licence terms not specified — verify the upstream model card before commercial use.
Check upstream documentation.
Frequently asked about ColBERT-Zero
Is ColBERT-Zero free to use?
ColBERT-Zero is free to run locally on your own hardware. Hosted access through osFoundry is metered (input Free (local), output Free (local)). You can switch between local and hosted at any time.
Can I use ColBERT-Zero commercially?
Commercial use is allowed with conditions. Licence terms not specified — verify the upstream model card before commercial use. Check upstream documentation.
Can I run ColBERT-Zero locally?
Yes. ColBERT-Zero is open-weights and runs locally on a workstation GPU. osFoundry's local runtime handles model loading, quantisation, and routing.
What is ColBERT-Zero best at?
ColBERT-Zero is well-suited to sentence similarity.
How do I use ColBERT-Zero in osFoundry?
Paste your lightonai API key in the key dialog (or deploy the open weights for self-hostable models), assign ColBERT-Zero to a Maestro role in the Pipeline tab, then use it in chat, Room Apps via invokeAI, or your own apps.
Published by lightonai on February 19, 2026. Source: https://huggingface.co/lightonai/ColBERT-Zero