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OpenAI's o3 and o4-mini models for ChatGPT have arrived.

OpenAI is launching o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding.

OpenAI launches groundbreaking o3 and o4-mini AI models that can manipulate and reason with images, representing a major ...

Historically, each new generation of OpenAI's models has delivered incremental improvements in factual accuracy, with ...

OpenAI’s New AI Models o3 and o4-mini Can Now ‘Think With Images’ Your email has been sent OpenAI has rolled out two new AI models, o3 and o4‑mini, that can literally “think with images ...

UPDATE: Apr. 16, 2025, 2:18 PM 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 ...

From the results of this evaluation, o3's hallucination rate is 33 percent, and o4-mini's hallucination rate ... methods to provide an answer, the o-series models are trained to "refine their ...

OpenAI has launched two new o-series reasoning models, that is, o3 and o4-mini. The company explained that these are its first AI reasoning models with in-built agentic capabilities that enable them ...