OpenAI’s GPT-5.3 Instant improves ChatGPT’s most-used model with fewer hallucinations, better web synthesis, and smoother conversations.

OpenAI has rolled out GPT-5.4 (Thinking) and GPT-5.4 Pro across ChatGPT, its API and Codex, introducing improvements in reasoning, coding and agent-driven workflows for complex professional tasks ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

GPT-5.3 Instant reduces hallucinations by 26.8% on web queries and 19.7% on internal knowledge — OpenAI's most-used model now ...

OpenAI Group PBC says ChatGPT is going to feel less cringeworthy and awkward thanks to an update that means the default ...

OpenAI is rolling out GPT-5.3 Instant today. OpenAI wants to make ChatGPT feel smoother in the places people actually notice. The company says this ...

OpenAI rolls out GPT-5.3 Instant, improving ChatGPT with fewer refusals, smarter web answers, lower hallucination rates, and stronger writing.

The company says the new model will reduce the "cringe" that's been annoying its users for months.

Instant for ChatGPT, promising fewer unnecessary refusals, improved contextual understanding and reduced hallucinations, as the company faces scrutiny over its Pentagon deal while rival Anthropic ...

OpenAI has released an update to ChatGPT that it says should make its most commonly used model less “cringe” and more natural. Users should see fewer overly dramatic, jarring responses as a result.