Best AI Open Source Models of 2026

Unsloth AI

unsloth.ai

#1

Open-source library and desktop app for fast, memory-efficient local fine-tuning and inference of open LLMs.

Jan.ai

jan.ai

#2

Open-source desktop app for running AI chat models locally or via APIs, as a private ChatGPT alternative.

PicoClaw

picoclaw.io

#3

Ultra-lightweight, self-hosted open-source AI assistant in Go that runs on sub-$10 hardware like Raspberry Pi with under 10MB RAM.

Open models by OpenAI

gpt-oss.com

#4

Web playground for chatting with OpenAI's open-weight gpt-oss models directly in the browser.

MindSpore

mindspore.cn

#5

Huawei's open-source deep-learning framework for training and deploying AI across cloud, edge and device.

Janus Pro

janusai.pro

#6

Free web app to try DeepSeek's open-source Janus-Pro multimodal model for image understanding and generation.

Bagel

bagel-ai.org

#7

Open-source unified multimodal AI for understanding, generation, editing.

LM Studio

lm-studio.me

#8

Site presenting LM Studio, a desktop app to download and run open-source LLMs locally and offline via a chat UI.

Sanctum AI

sanctum.ai

#9

Free Mac/Windows app for running open-source LLMs fully offline with encrypted, on-device private chat and PDF Q&A.

DeepSeek Online

deepseekv3.net

#10

Third-party site for free, no-registration online access to the open-source DeepSeek V3 model, with links to run it locally.

General Reasoning

gr.inc

#11

AI research company (General Reasoning) building models for long-horizon reasoning, with open benchmarks and RL-environment releases.

Privacy AI

privacyai.app

#12

Offline AI chat app for iPhone, iPad, and Mac that runs open-source LLMs locally with no data leaving the device.

LLMule

llmule.xyz

#13

Open-source desktop app for running LLMs locally and sharing compute over a private peer-to-peer AI network.

zephyr 7b alpha model chat

zephyr-7b.net

#14

Platform for creators to receive donations, sell items, and connect with fans.

DeepSeek-V3

deepseekv3.vip

#15

Third-party site giving free, stable access to a DeepSeek-V3 chat model for instant AI answers.

Qwen3.6‑35B

qwen.ai

#16

Alibaba's Qwen3.6-35B MoE model uses ~3B active params, tuned for agentic coding, vision, and long context.

Tar by ByteDance

csuhan.com

#17

Open research model (ByteDance/CUHK) unifying image understanding and generation via text-aligned tokens.

Satlas

allen.ai

#18

Nonprofit AI research institute building fully open models (Olmo, Molmo) and tools for science, climate, and robotics.

OpenFoundry

openfoundry.ai

#19

Open-source developer platform to find, fine-tune and deploy open-source AI models to your own cloud; currently early access.

Hugging Face

huggingface.co

#20

Platform and community for machine learning that hosts open models, datasets and demo Spaces, plus the Transformers library and hosted inference.

Reflection 70B

reflection70b.net

#21

Free-to-try web chat for the open-source Reflection 70B model, built on Llama 3.1 70B with self-correction training.

Flux AI Custom Model

flux1ai.ai

#22

Platform for training custom FLUX image models from your photos to generate personalized portraits, products and avatars.

Gemma 4

deepmind.google

#23

Google DeepMind's Gemma 4, an open, lightweight multimodal model family for efficient on-device and low-resource AI development.

METAGENE-1

metagene.ai

#24

Open 7B-parameter metagenomic foundation model trained on wastewater DNA/RNA for pathogen detection and pandemic biosurveillance.