OpenAI launches its first model partially built by itself: GPT-5.3-Codex

New large language models seem to spring up daily, and OpenAI's (OPENAI) latest, GPT-5.3-Codex, was the startup's first model ...

Fundamental emerges from stealth with first major foundation model trained for tabular data

Emerging from stealth, the company is debuting NEXUS, a Large Tabular Model (LTM) designed to treat business data not as a ...

AI is in its self-improvement era: OpenAI says its new coding model helped to build itself

On Thursday afternoon, OpenAI released a new cutting-edge coding model that the company said assisted in its own creation. “GPT-5.3-Codex is our first model that was instrumental in creating itself,” ...
CNBC

Microsoft-backed AI lab Mistral is launching its first reasoning model in challenge to OpenAI

French AI firm Mistral will release its first reasoning model Tuesday, taking on the likes of OpenAI and China’s DeepSeek. Mistral’s new Magistral model specializes in reasoning in European languages, ...
TechCrunch

For the first time, OpenAI models are available on AWS

Sam Altman’s blowtorch to his competitors is so hot, it even includes a new partnership with Amazon Web Services. As OpenAI announced two open-weight reasoning models with capabilities on par with its ...
Business Insider

Which ChatGPT version is best? A guide on the difference between all of OpenAI's models.

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