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OpenAI announces o3 and o4-mini reasoning models for ChatGPT (updated)

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 models ...
Geeky Gadgets

ChatGPT 5 : Everything You Need to Know (Mini & Nano)

What if the future of artificial intelligence wasn’t just smarter—but also smaller, faster, and more accessible than ever? With the release of GPT-5, OpenAI has introduced not one, but three tailored ...
Mashable

OpenAI's o3 and o4-mini hallucinate way higher than previous 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 ...
Forbes

What Does OpenAI’s GPT-5 Mean In The Race For AI Model Supremacy?

OpenAI’s latest GPT-5 model dropped yesterday and it’s making big waves in the rapidly moving AI industry. GPT-5 is more than an upgrade. It aims to be a single, smarter system that blends reasoning, ...
Neowin

OpenAI introduces GPT-5-Codex-Mini, a cost-efficient coding model for developers0 0

Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is optimized for agentic coding in Codex. Since GPT-5-Codex is based on GPT-5, it comes with significant upgrades in reasoning, ...