Grok is coming for the coding-focused customers of its bigger rivals. Elon Musk's xAI dropped a new AI model this week, specifically for developers, calling it a "speedy and economical reasoning model" meant to help with coding projects.

The new addition, dubbed grok-code-fast-1, helps round out the family of Grok 4 models, released earlier this year. The coding model is agentic , meaning it is built to handle tasks without a ton of human oversight. xAI claims its model outperformed OpenAI's GPT-5, Anthropic's Claude 4 and xAI's own Grok 4, saying it could solve 70.8% of real-life software problems, as evaluated by the SWE-bench .

However, the model card notes that the coding model has a higher rate of dishonesty than Grok 4, as spotted by PCMag . So you'll want to doub

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