GPT Image 1.5 | Hacker News

kept by eddie dec 17, 25

OpenAI releases GPT Image 1.5, a cheaper image generation model that improves on its predecessor but still trails competitors like Nano Banana Pro in quality and consistency.

The new ChatGPT Images is here
OpenAI releases GPT-Image-1.5, a new image generation model for ChatGPT and the API, claiming 4× faster generation with better editing and consistency.
also on GPT-Image-1.5, #ai-image-generation, ChatGPT, #generative-ai, OpenAI, #developer-tools
Coarse is better
Older AI image generation models produce more aesthetically pleasing, artistically coarse results than newer, precise models like Nano Banana Pro, according to the author.
also on Midjourney, Nano Banana Pro, #ai-image-generation, #generative-ai
GPT Image Generation Models Prompting Guide
OpenAI's gpt-image-2 model offers production-quality image generation with high-fidelity photorealism, text rendering, and flexible quality-latency tradeoffs, supported by a prompting guide covering generation, editing, and creative workflows.
also on GPT-Image-1.5, #generative-ai, OpenAI, #ai, #developer-tools
The Impossible Prompt
Graph theory constraints in a prompt for six multi-pointed stars with non-intersecting connections cause all major image-generation LLMs to fail, while humans solve it in a minute.
also on Nano Banana Pro, #ai-image-generation, ChatGPT, #generative-ai
How to Create an Effective Prompt for Nano Banana Pro
Experiments with Google's Nano Banana Pro visual reasoning model show that structured, constraint-rich prompts produce better comic book adaptations than vague requests.
also on Nano Banana Pro, #ai-image-generation, #generative-ai, #ai