@FinanceYF5: AI training data is the only product that goes bad the moment it works: once a model gets ~70% of a task right, labs th…

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A thread arguing that AI training data is a uniquely perishable product that loses value once models master a task at around 70% accuracy, fueling a hot market that minted young billionaires even as the largest labs bring data creation in-house.

AI training data is the only product that goes bad the moment it works: once a model gets ~70% of a task right, labs throw the task out. It also minted the youngest self-made billionaires on earth. 3 min on how hot this market is, and why the biggest buyers build their own. 🧵 https://t.co/Sxe3lOmwrb
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Cached at: 10/10/26, 04:45 AM

AI training data is the only product that goes bad the moment it works: once a model gets ~70% of a task right, labs throw the task out.

It also minted the youngest self-made billionaires on earth. 3 min on how hot this market is, and why the biggest buyers build their own. 🧵

How hot is it? Mercor’s three founders became the youngest self-made billionaires at 22 (Forbes). Surge’s Edwin Chen never raised a dollar; Forbes puts him at 18B. Meta paid ~14.3B for 49% of Scale AI and took its founder. Dead startups’ old Slack chats sell for 10k–100k.

But it expires. Once a model gets ~70% of a task right, the task is dropped (@EpochAIResearch). As @athomasq put it: once you’ve trained, you’ve trained. And the biggest buyers are building their own: Google hired Mechanize’s founder and team; xAI cut 500 generalist labelers.

It runs the other way too: @edwardjhu, co-creator of LoRA, joined @mercor_ai to train models; their first is built on Alibaba’s Qwen. A 2023 study found a third or more of crowd workers used AI to write “human” answers. The next teachers: factory workers with head cameras.

Three views. @EverettRandle: data is the next $1T category. @viks_rum: fewer than 10 independent players at scale by 2031. @satyanadella: companies pay for intelligence twice, and should keep their own. The most valuable data may be the data you never sell. Would you sell yours?

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