Open Models

Open-weight and open-source model families and their hosted services.

Open Models products
Select for comparisonNameCompanyBusiness modelLaunchedUpdatedMy shortlist
Baichuan

Running models yourself

Baichuan Intelligence Open (open weights/source) 2023-06 2026-09-10
Command R

Running models yourself Questions over your own documents

Cohere Open (open weights/source) 2024-03 2026-10-09
DBRX

Running models yourself

Databricks Open (open weights/source) 2024-03 2026-09-10
DeepSeek

Running models yourself

DeepSeek Open (open weights/source) 2023-11 2026-10-13
Falcon

Running models yourself

Technology Innovation Institute Open (open weights/source) 2023-05 2026-09-10
Gemma

Running models yourself

Google DeepMind Open (open weights/source) 2024-02 2026-09-10
GLM

Running models yourself

Z.ai (Zhipu AI) Open (open weights/source) 2023 2026-09-10
Granite

Running models yourself

IBM Open (open weights/source) 2023-09 2026-09-10
Jamba

Running models yourself

AI21 Labs Open (open weights/source) 2024-03 2026-09-10
Llama

Running models yourself

Meta Open (open weights/source) 2023-02 2026-09-04
Mistral

Running models yourself

Mistral AI Open (open weights/source) 2023-09 2026-10-13
Nemotron

Running models yourself

NVIDIA Open (open weights/source) 2024 2026-10-10
OLMo

Running models yourself

Allen Institute for AI Open (open weights/source) 2024-02 2026-10-10
Phi

Running models yourself

Microsoft Open (open weights/source) 2023 2026-10-09
Qwen

Running models yourself

Alibaba Open (open weights/source) 2023-08 2026-10-13
Yi

Running models yourself

01.AI Open (open weights/source) 2023-11 2026-09-10

About this category

16 products from 16 companies, the earliest first recorded in 2023.

By business model: Open (open weights/source) 16.

Recorded uses in this category: Running models yourself, Questions over your own documents.

The longest-standing record here is GLM (2023); the most recent arrival is Command R (2024).

This category covers open-weight and open-source model families and the services that host them. Their parameters are publicly released, so they can be self-hosted, fine-tuned, and audited.

Fields taken from the product records use the record dates shown. Sourced claims are labelled per product: verified against the linked page on the date shown, taken from the product record without re-checking, or not independently verified.

Every product here, one line each

Frequently asked questions

How many Open Models products are in the index?

16, at the current record date.

Which Open Models product has been around longest?

GLM, first recorded in 2023.

Which Open Models products can I start using for free?

Free to start: Baichuan, Command R, DBRX, DeepSeek, Falcon, Gemma, GLM, Granite….

Which Open Models products are open source?

None of the Open Models products in the index is open source.