Model
Inference & Serving
Grok-1
1xAI's 2open-weight 3314-billion-parameter 4mixture-of-experts 5LLM 6release
the six Ws · specification
W1
Who
xAI, Elon Musk's AI company, released the Grok-1 model weights.
W2
What
Grok-1 is a 314 billion parameter mixture-of-experts LLM, xAI's first openly released base model checkpoint.
W3
Where
Weights and JAX inference code are hosted on GitHub at xai-org/grok-1 and on Hugging Face at xai-org/grok-1.
W4
When
Open-weights release on March 17, 2024.
W5
Why
Released to open-source the base architecture behind xAI's Grok chatbot for research and community use.
W6
With
Requires substantial multi-GPU hardware and the provided JAX example code, or community PyTorch/GGUF ports, to run.
W7
Watch
Apache 2.0 license, raw base weights only (not instruction-tuned), no credentials required to download, self-hosted; maintained by xAI.