OpenAI pushed its o3 and o4-mini models into ChatGPT for paying subscribers around April 16, 2025, touting them as a step towards more autonomous AI assistants. These models were designed with ...

A hot potato: OpenAI's latest artificial intelligence models, o3 and o4-mini, have set new benchmarks in coding, math, and multimodal reasoning. Yet, despite these advancements, the models are ...

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Regardless, if OpenAI is saying their brand-new o3 and o4-mini models hallucinate higher than their non-reasoning models, that might be a problem for its users. UPDATE: Apr. 21, 2025, 1:16 p.m ...

OpenAI has unveiled three innovative reasoning models—o3, o4 Mini, and ChatGPT-o4 Mini High—marking a significant step forward in artificial intelligence capabilities. These models replace ...

The problem is further amplified as people use these AI models for making important decisions like medical diagnoses or financial trading. “We tested OpenAI o3 and o4-mini against PersonQA ...

OpenAI pushed its more autonomous o3 and o4-mini models to paying ChatGPT subscribers around mid-April, equipping the chatbot with what OpenAI describes as “early agentic behavior” allowing it ...

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OpenAI has released its latest models, o3 and o4-mini, to increase the reasoning performance. It also aims to provide clearer responses to the user population’s prompts. However, internal testing ...

AI models have struggled in the past with hallucinations, and many would think that newer systems would steer clear of such problems. However, that’s not the case with the latest launch of OpenAI’s o3 ...

OpenAI’s new o3 and o4‑mini models hallucinate more than older versions, breaking past improvement trends. Tests show o3 and o4‑mini make up facts up to twice as often, with o4‑mini hallucinating ...

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