Satlas
allen.ai
#25
Nonprofit AI research institute building fully open models (Olmo, Molmo) and tools for science, climate, and robotics.
#Llms Foundation Models#AI Agents Infrastructure
verifiedFree
Category · 29 tools verified
Best AI Open Source Models of 2026
All 29 Open-Source Models tools that are actually alive — cross-checked against multiple directories, liveness-verified, and ranked by real traffic. Dead links and clones removed. Verified means we checked — not that someone paid.
See the ranked list ↓29
TOOLS VERIFIED
25
FREE OPTIONS
18
WITH VIDEO REVIEWS
1
DEAD/CLONES FILTERED OUT
The ranked list
Showing 5 of 29 live tools · ranked by real traffic
OpenFoundry
openfoundry.ai
#26
Open-source developer platform to find, fine-tune and deploy open-source AI models to your own cloud; currently early access.
#Llms Foundation Models#AI Agents Infrastructure
verifiedFree
Hugging Face
huggingface.co
#27
Platform and community for machine learning that hosts open models, datasets and demo Spaces, plus the Transformers library and hosted inference.
#Llms Foundation Models#AI Agents Infrastructure
verifiedFreemium
Flux AI Custom Model
flux1ai.ai
#28
Platform for training custom FLUX image models from your photos to generate personalized portraits, products and avatars.
#Llms Foundation Models#AI Agents Infrastructure
verifiedPaid · from $9/mo
Gemma 4
deepmind.google
#29
Google DeepMind's Gemma 4, an open, lightweight multimodal model family for efficient on-device and low-resource AI development.
#Llms Foundation Models#AI Agents Infrastructure
verifiedFree
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Open Source Models tools compared
| Tool | Best for | Free tier | Price | Monthly visits |
|---|---|---|---|---|
| Satlas | Nonprofit AI research institute building fully open models (Olmo, Molmo) and tools for science, climate, and robotics. | Yes | Free | — |
| OpenFoundry | Open-source developer platform to find, fine-tune and deploy open-source AI models to your own cloud; currently early access. | Yes | Free | — |
| Hugging Face | Platform and community for machine learning that hosts open models, datasets and demo Spaces, plus the Transformers library and hosted inference. | Yes | Freemium | — |
| Flux AI Custom Model | Platform for training custom FLUX image models from your photos to generate personalized portraits, products and avatars. | — | $9/mo | — |
| Gemma 4 | Google DeepMind's Gemma 4, an open, lightweight multimodal model family for efficient on-device and low-resource AI development. | Yes | Free | — |
Verified by Toolspool