Elon Musk's AI company xAI has released the weights and architecture of its expert hybrid model Grok-1, which has 3.14 trillion parameters, under the Apache 2.0 license. This aligns with Musk's commitment last Monday to make the Grok model publicly available for free.

xAI stated that the open-source Grok-1 model is a checkpoint of the pre-training phase, which concluded in October 2023. This means that the model has not been fine-tuned for any specific application, such as dialogue. The weights and architecture of the model have been made public on GitHub, along with a beginner's guide to using the model.

Grok model was trained from scratch by xAI within just three months of the company's establishment. Unlike some open-source release versions like Gemma and Llama, which have limitations in usage, the open-source release of Grok provides extensive access to the underlying technology. However, it is still less transparent than models like Pythia, Bloom, and OLMo, which have made their training code and datasets publicly available.

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Users can download the model through a magnet link that contains a torrent file of approximately 300GB and 773 files.

This release comes at a time of escalating tensions between Musk and OpenAI. Musk left OpenAI in 2018, citing concerns that the company was prioritizing profits over safety. Since then, his criticism of OpenAI has grown stronger. Recently, he filed a lawsuit against OpenAI, accusing the company of deviating from its original intention of creating open-source models and prioritizing shareholder interests.

Musk has also been critical of other AI companies, including Google. Recently, he criticized Google's Gemini AI image generator for producing historically inaccurate and misleading content about race.

The release of Grok-1 is a significant step for xAI, which Musk founded in March last year. The company's first product, the Grok chatbot, was launched in November and made available to paid subscribers of X (formerly known as Twitter). Musk claims that this chatbot is "designed to answer questions with a touch of humor and a rebellious nature."

With the rapid development of the AI field, the open-sourcing of models like Grok-1 could have a significant impact on the industry (although running the model requires substantial computational resources). While this undoubtedly poses a direct challenge to OpenAI, people will closely monitor the AI community's response to this release and how it will affect the ongoing debate on responsible development and deployment of AI technology.