On Thursday, OpenAI released GPT-5.3-Codex, a new model that extends its Codex coding agent beyond writing and reviewing code to performing a much wider range of work tasks. The release comes as ...

Is GPT-5.3 Codex the fantastic option developers have been waiting for? With its lightning-fast execution, a staggering 400K token context window, and unparalleled efficiency, OpenAI’s latest model is ...

OpenAI has introduced GPT-5.3-Codex, a new generation of its Codex coding system that did more than write software for others, it helped build itself. The company describes this 5.3 family model as a ...

OpenAI on Wednesday released GPT-5.3-Codex, which the company calls its most capable coding agent to date, in an announcement timed to land at the exact same moment Anthropic unveiled its own flagship ...

OpenAI has launched GPT-5.3-Codex, a high-performance agentic model that sets new records across major coding benchmarks. Today, OpenAI announced GPT-5.3-Codex, its most capable agentic coding model ...

The big picture: As the race for AI supremacy intensifies, both OpenAI and Anthropic unveiled upgraded models this week. Anthropic's Claude Opus 4.6 marks a significant evolution in how AI tackles ...

OpenAI Group PBC today released a lightweight version of its popular agentic coding tool GPT-5.3-Codex, which is designed for more rapid inference, the process by which artificial intelligence models ...