According to the Last Week in AI Podcast #238, OpenAI has shipped new GPT-5.4 mini and nano models that deliver faster performance and enhanced capabilities compared to previous versions. However, these improvements come at a cost, with pricing increases of up to four times the previous rates.
The podcast also highlighted developments in gaming AI technology, noting that NVIDIA’s DLSS 5 appears to function as a real-time generative AI filter for video games, according to reporting by The Verge. This represents a notable application of generative AI technology in the gaming industry, potentially transforming how graphics are rendered and enhanced in real-time gameplay.
The episode additionally covered topics including what was described as an “OpenAI Pivot,” Mamba 3 developments, and attention residuals, though specific details about these subjects were not elaborated in the available source material.