Grok Code Model Released: Super Fast and Free for a Limited Time
Grok Code Fast 1: 3x faster than GPT-5, 6x cheaper. Free for 1 week. AI coding at high speed, low cost.
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Three times faster than GPT-5, six times cheaper.
This Thursday, Elon Musk's xAI officially launched its latest code model, Grok Code Fast 1.
This model is also considered the coding version of Grok 4, designed to provide an ultra-fast and economical solution for "agentic programming" (AI automatically executing programming tasks). Within this paradigm, AI automatically calls tools (such as grep, terminal, file editing) within IDEs and completes coding tasks.
xAI states that while today's large language models (LLMs) are powerful, they are often not specifically designed for agent coding workflows. In response, engineers have built more flexible and responsive solutions optimized for daily tasks.
grok-code-fast-1 is a language model trained from scratch using an entirely new model architecture. To establish a solid foundation, xAI carefully constructed a pre-training corpus rich in programming-related content. After training, they also curated high-quality datasets that reflect real-world pull requests and coding tasks.