What has DeepSeek disrupted actually? No, It isn't about OpenAI

And it is definitely NOT about open source LLMs

One open source LLM from China and

• Nvidia lost $600Bn in market cap (more than 2x as much as any US company has ever lost in a single day)

• Microsoft dropped 2.1 per cent

• Oracle is down 13.8%

• Meta, Google - everybody is scrambling

Scene from tech giants offices

As Marc Andressen puts it - this is the Sputnik moment for AI.

But what exactly has DeepSeek disrupt…