OpenAI Reportedly Developing 'Mona Lisa' and 'Luna Lisa' Image Models

mark_k · x · 2026-08-23

Leaks suggest OpenAI is developing two new image models: the larger "Mona Lisa-1" (potentially GPT-Image-2.5) offers noticeable but not spectacular improvements over the current version. The smaller "Luna Lisa Alpha" (based on GPT Luna) is faster and performs on par with existing models. Unfortunately, both reportedly still suffer from noise artifact issues.

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