# Yi (01.AI) — AI Compare

> 01.AI language model family with downloadable weights for customisation and self-hosting.

## Overview
- **Category:** Development & Code (Agent & RAG frameworks)
- **Status:** Active · checked - Current product offering documented by the vendor.
- **Paid from:** Not verified for this market / under vendor terms (Access)
- **Free access:** not published (A free AI allowance is not clearly specified.)
- **Website:** https://github.com/01-ai/Yi
- **Canonical URL:** https://www.aicompare.ninja/en/tool/yi-01ai

## What it does
- 01.AI language model family with downloadable weights for customisation and self-hosting.

## In brief
01.AI language model family with downloadable weights for customisation and self-hosting.

Download and self-hosting are documented. Model APIs, hardware and hosting may incur additional costs; separate licence conditions apply.

A clearly attributable current amount is not confirmed in the public vendor source reviewed.


## Limits
Download and self-hosting are documented. Model APIs, hardware and hosting may incur additional costs; separate licence conditions apply.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Access | Not verified for this market | under vendor terms | Download and self-hosting are documented. Model APIs, hardware and hosting may incur additional costs; separate licence conditions apply.; A clearly attributable current amount is not confirmed in the public vendor source reviewed. |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://github.com/01-ai/Yi
- https://www.01.ai/1
- https://en.wikipedia.org/wiki/01.AI

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*Source: AI Compare (2026) - https://www.aicompare.ninja/en/tool/yi-01ai*