This might not be at the top of Sam Altman’s priority list now that he’s back at OpenAI, but the CEO may soon have to deal with a looming threat to the business. Customers, such as fintech startup Ramp, are using OpenAI models like GPT-4 to customize cheaper-to-run open-source alternatives.
Technically, that behavior goes against OpenAI’s terms of use but OpenAI doesn’t seem too bothered by it—yet. But if this trend spreads, OpenAI’s growth is likely to be dampened as open-source alternatives take off.
Here’s how it works. Startups are using high-end and expensive LLMs such as GPT-4, but only for a narrow purpose, such as generating marketing copy for a particular product. They take the results and use them to customize—or fine-tune, in industry parlance—a free, open-source model like Meta Platforms' Llama 2 to handle those same tasks going forward.
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