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Tuesday, May 28, 2024

Microsoft launches Phi-3, its smallest AI mannequin but

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Microsoft launched the subsequent model of its light-weight AI mannequin Phi-3 Mini, the primary of three small fashions the corporate plans to launch. 

Phi-3 Mini measures 3.8 billion parameters and is educated on a knowledge set that’s smaller relative to giant language fashions like GPT-4. It’s now out there on Azure, Hugging Face, and Ollama. Microsoft plans to launch Phi-3 Small (7B parameters) and Phi-3 Medium (14B parameters). Parameters check with what number of complicated directions a mannequin can perceive. 

The corporate released Phi-2 in December, which carried out simply in addition to greater fashions like Llama 2. Microsoft says Phi-3 performs higher than the earlier model and may present responses near how a mannequin 10 occasions greater than it could actually. 

Eric Boyd, company vice chairman of Microsoft Azure AI Platform, tells The Verge Phi-3 Mini is as succesful as LLMs like GPT-3.5 “simply in a smaller kind issue.” 

In comparison with their bigger counterparts, small AI fashions are sometimes cheaper to run and carry out higher on private gadgets like telephones and laptops. The Data reported earlier this 12 months that Microsoft was building a team focused specifically on lighter-weight AI models. Together with Phi, the corporate has additionally constructed Orca-Math, a mannequin targeted on fixing math issues.

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Boyd says builders educated Phi-3 with a “curriculum.” They had been impressed by how youngsters discovered from bedtime tales, books with easier phrases, and sentence constructions that speak about bigger subjects.

“There aren’t sufficient youngsters’s books on the market, so we took an inventory of greater than 3,000 phrases and requested an LLM to make ‘youngsters’s books’ to show Phi,” Boyd says. 

He added that Phi-3 merely constructed on what earlier iterations discovered. Whereas Phi-1 targeted on coding and Phi-2 started to be taught to purpose, Phi-3 is healthier at coding and reasoning. Whereas the Phi-3 household of fashions is aware of some basic information, it can not beat a GPT-4 or one other LLM in breadth — there’s a giant distinction within the sort of solutions you may get from a LLM educated on the whole thing of the web versus a smaller mannequin like Phi-3.

Boyd says that corporations typically discover that smaller fashions like Phi-3 work higher for his or her customized functions since, for lots of corporations, their inside knowledge units are going to be on the smaller aspect anyway. And since these fashions use much less computing energy, they’re typically way more reasonably priced. 



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