GPT-5.4 and Grok Imagine for real workflows
GPT-5.4 is provided by OpenAI and emphasizes extended context and superior reasoning. Grok Imagine, from xAI, emphasizes artistic look and great lighting. The stronger option depends on the input, output constraints, and review standard.
How to test GPT-5.4 vs Grok Imagine
Run the same prompt, source context, output format, and acceptance criteria through both models. Score accuracy, instruction following, edit time, latency, and current cost separately. Repeat the test on several representative tasks before standardizing on either model.