Elon Musk’s Grok Has a New Coding Model That Emphasizes Speed

Grok arrives for customers coding its biggest rivals. Elon Musk’s XAI has abandoned a new AI model this week, especially for developers, calling it a “fast and economical model of reasoning” intended to help code projects.
The new addition, nicknamed Grok-Code-Fast-1, helps to complete the family of Grok 4 models, published earlier this year. The coding model is agentic, which means that it is built to manage tasks without a ton of human surveillance. XAI claims that its model has outperformed the OPENAI GPT-5, Claude 4 of Anthropic and the own XAI Grok 4, saying that it could solve 70.8% of real software problems, as evaluated by Swe-Bench.
However, the model card notes that the coding model has a higher dishonesty rate than Grok 4, as spotted by PCMAG. You will therefore want to reveal any critical work of AI.
The co-founder of Xai, Yuhuai Wu, said on X that it was the first of many coding models to come.
The start of a new model line – Grok Code Series.
This time we focus on speed. This is very new experience when the model is super fast.
Try it, it’s free for 7 days on the main platforms. https://t.co/gojb8xcmpw– yuhuai (tony) wu (@yuhu_ai_) August 28, 2025
The agental AI tools were a popular development in the always tight IA race, with Openai, Anthropic and Microsoft each releasing a version of a coding agent. XAI’s tool will be more similar to that of Microsoft in that it is available via its API, that is to say not open to Chatgpt or Claude subscribers.
You can access the new model for free in the coming days via a number of exclusive platforms, including Github Copilot, Cline, OpenCcode, Cursor, Kilo Code, Roo Code and Windsurf. You will need an API key, which is evaluated by use; You can find out more about this with this ventilation of Grok models. XAI has also set up a fast engineering guide specifically for the coding model to help developers get the most out.
AI in coding projects can be a delicate enigma. Generative AI tools and chatbots have turned out to be effective tools to help beginners turn to quickly and help problems solve problems. The agentic AI begins to show how it can help automate non -essential tasks.
This raises the question of whether automated tools could cause generalized employment disturbances, especially for young software engineers. A new Stanford study finds a high risk for workers at the start of their careers with important professional exhibition at AI, such as software engineering and customer service.
The regular Grok Chatbot and X / Twitter assistant had its share of controversies. Earlier this summer, the chatbot began to produce extremely racist and anti -Semitic content, a few days after the founder of Xai, Elon Musk, announced that the company had “improved considerably Grok”. Xai has been updating shortly after and shared that he had “taken measures to ban the speech of hatred before Grok’s publications on X”.
Bias is always a problem with AI chatbots, but Grok illustrated the speed with which technology can be used to quickly produce potentially abusive content.
(Disclosure: Ziff Davis, CNET’s parent company in April, filed a complaint against Chatgpt Maker Openai, alleging that it violated Ziff Davis Copyrights in the training and exploitation of its AI systems.)



