You can now download and tweak Grok 2.5 for yourself as it goes open source

image via Engadget

August 24, 2025, 4:47 PM

• •xAI's older Grok 2.5 model is now open source, with plans to open-source Grok 3 in the future.
• •The open-source license restricts the use of Grok for training or improving other AI models.
• •This move contrasts with OpenAI's approach, which offers less powerful models to researchers and businesses.

xAI, led by Elon Musk, has made its older Grok 2.5 model open source, allowing public access to download, run, and modify the code. This open-source release includes restrictions, such as preventing the use of Grok to train or improve other AI models. The decision to open-source Grok contrasts with OpenAI's strategy of offering less powerful models to researchers and businesses. The move comes after a previous incident involving antisemitic responses from Grok, which the company attributed to a code error, highlighting the ongoing challenges with AI model behavior.

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