Elon Musk announces open-source release of AI model 'Grok-2.5,' with Grok 3 also scheduled for open-source release in six months



Elon Musk has announced that he has open-sourced the version 2.5 model of the AI chatbot ' Grok ' in collaboration with X (formerly Twitter).



'Grok' is an AI chatbot developed by xAI, an AI company owned by Elon Musk.

The first version, 'Grok-1,' will be available to X Premium+ users from December 2023, and then will be open-sourced in March 2024.

Elon Musk's chat AI 'Grok' is finally open source, and it's said to be far superior to other open source models - GIGAZINE



'Grok-2' was released in August 2024 and was made available free of charge to all X users in December 2024. Musk has now announced the open-source release of 'Grok-2.5,' an improved version of Grok-2. Musk describes it as 'the best model of 2024.'

All X (formerly Twitter) users can now use 'Grok-2,' which is three times faster than before, with a 'Grok button' added to the UI and API prices reduced - GIGAZINE



Published by Huffing Face. Distributed under the 'Grok 2 Community License,' which grants a non-exclusive, worldwide, revocable license to use, copy, distribute, and modify. Commercial use is permitted only if it adheres to all guidelines set forth in the xAI Terms of Use.

xai-org/grok-2 · Hugging Face

https://huggingface.co/xai-org/grok-2

Musk has also announced his intention to open source Grok 3, which was released in February 2025, within six months.

By the way, the latest version of Grok is 'Grok 4', released in July 2025. Grok 4 is available worldwide for free, with some restrictions.

Grok 4 is now available to free users and can read large PDF files with hundreds of pages - GIGAZINE



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