DeepSeek and Nanobanana 2 for real workflows
DeepSeek is provided by DeepSeek and emphasizes open source and strong reasoning. Nanobanana 2, from Google, emphasizes high quality and text in images. The stronger option depends on the input, output constraints, and review standard.
How to test DeepSeek vs Nanobanana 2
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.