Also, part of the issue with the argument is that smaller firms like Anthropic now have models that exceed OpenAI's offering. If we were actually at a point of

Also, part of the issue with the argument is that smaller firms like Anthropic now have models that exceed OpenAI's offering. If we were actually at a point of diminishing returns, they'd only be catching up with similar levels of investment, not bypassing at lower levels. And when digging into the details of the differences between something like Opus and GPT-4, it becomes more readily apparent why OpenAI's product line up is struggling. Their current issues (to the extent they exist in practice) are related to OpenAI specific policies in how they are approaching developing their models in the fine tuning stages, not to inherent limitations in the underlying tech.