Pros and cons of Open Weights, Open, and Closed AI models, and top vendors

China’s open weighted model is not only 60-90% cheaper, but its functionality is also very close to that of top-tier American models. Western AI companies have distilled Chinese models including Mistral distilling DeepSeek; Meta Muse Spark used Qwen from Alibaba, Thinking Machines Inkling uses DeepSeek-V3; and Cursor’s Composer 2 was built directly on Moonshot.

a16z, Silicon Valley’s most aggresive venture capital firm

The company’s official name is Andreessen Horowitz, which is from Mark Anderson and Ben Horowitz’s name. Interestingly, because Andreessen Horowitz is too long, the 16 in the company’s nickname a16z represents the total of 16 letters between the first English letter a and the last English letter z. This nickname a16z is now used by most people.

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