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OpenAI has launched two new smaller AI models, the GPT-5.4 mini and GPT-5.4 nano. These are lighter and faster models, which are designed for handling large numbers of requests at lower costs. Here's ...
On Wednesday, OpenAI launched its latest reasoning models, o3 and o4-mini. As with its other o-series models, OpenAI's o3 and o4-mini think for a longer period of time before responding in order to ...
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OpenAI releases GPT-5.4 mini and nano small models
OpenAI has released two compact models in its GPT‑5.4 family, branded GPT‑5.4 mini and GPT‑5.4 nano, and is promoting them as small but capable options for developers and device makers. The company ...
UPDATE: Apr. 16, 2025, 2:18 p.m. EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...
First reported by TechCrunch, OpenAI's system card detailed the PersonQA evaluation results, designed to test for hallucinations. From the results of this evaluation, o3's hallucination rate is 33 ...
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