Open-Weights AI Tools

Meta's family of open-weight LLMs, downloadable under a community licence with a 700M-MAU carve-out.

Best for: Self-hosting a capable model on your own hardware

Checkpoint and LoRA hub with an on-site generator paid in Buzz

Best for: Anyone hunting a specific style, character or concept LoRA for an open image model

Black Forest Labs' image and video model family, sold per megapixel through an API and licensed as open weights for self-hosting.

Best for: Developers who want a hosted image API with the option to move the same models in-house later

Tencent's model family and studio covering text, image, video and 3D, with many weights open-sourced

Best for: Researchers and engineers running open video, image or 3D models on their own GPUs

Open-weight image models, free to run below $1M revenue

Best for: Developers and studios that need generation on their own infrastructure with no per-call cost

Open-weight reasoning models with a free chat app

Best for: Developers and agent builders who want frontier-class output at a fraction of OpenAI or Anthropic token prices

Hosting hub for models, datasets and demo apps

Best for: ML engineers pulling open weights and datasets into a project

Stability AI's music and sound generator with a web app, a DAW plugin and open-weight models trained on licensed data.

Best for: Producers and sound designers who want AI sketches inside their DAW

Speech-to-speech model and API for voice agents that skips the transcription step.

Best for: Developers building latency-sensitive voice agents

Google DeepMind's family of open-weight language and multimodal models, from phone-sized to workstation-sized, free to download and run.

Best for: Developers who want a self-hosted or on-device model with an Apache 2.0 license