a.k.a, the same work as Anthropic, but with less interpretable and interesting features. I guess there won't be Golden Gate[0] GPT anytime soon.
I mean, you just have to compare the couple of interesting features of the OpenAI feature browser [1] and the features of the Anthropic feature browser [2].
[0] https://twitter.com/AnthropicAI/status/1793741051867615494
[1] https://openaipublic.blob.core.windows.net/sparse-autoencode...
[2] https://transformer-circuits.pub/2024/scaling-monosemanticit...