Converting Black and White Photos to Color with GPT Image 2.5
Nano Banana (gemini-2.5-flash-image) did a pretty good job converting my parents’ wedding photos to color. I checked how well GPT Image 2.5 would do. The older GPT Image 2 model messed up the faces. The short answer is: better than Gemini 2.5 Flash! Here’s the original and the GPT Image 2.5 colorized version, created with the prompt: “Convert this image to color.” The reason I picked this “benchmark” is because: This is a real need for me. This is a LLM failure: GPT Image 2 doesn’t retain faces as well as Gemini 2.5 Flash does. It’s a benchmark I can evaluate really well. I mean, I know my parents’ faces well enough to spot really subtle differences. So, from that perspective, a few things GPT Image 2.5 managed to capture well was: ...