OpenAI claims ChatGPT’s new default model hallucinates way less
AI Close AI Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All AI News Close News Posts from this topic will be added to your daily email digest and your...
Anthropic — What company has the best second artificial intelligence model at the end of June?
A striking development has emerged in artificial intelligence. AI Close AI Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All AI News Close News Posts from this topic will be added to your daily email digest and your homepage feed. Follow Follow See All News OpenAI Close OpenAI Posts from this topic will be added to your daily email digest and your homepage feed.
Follow Follow See All OpenAI OpenAI claims ChatGPT’s new default model hallucinates way less The new model, GPT-5. 5 Instant, will also use fewer ‘gratuitous’ emojis. The new model, GPT-5.
Technical Details
5 Instant, will also use fewer ‘gratuitous’ emojis. by Jay Peters Close Jay Peters Senior Reporter Posts from this author will be added to your daily email digest and your homepage feed. Follow Follow See All by Jay Peters May 5, 2026, 5:00 PM UTC Link Share Gift Image: The Verge Jay Peters Close Jay Peters Posts from this author will be added to your daily email digest and your homepage feed.
Follow Follow See All by Jay Peters is a senior reporter covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. OpenAI’s newest default model for ChatGPT might not make stuff up as much.
Hallucinations have been an ongoing problem for AI models, but OpenAI says its new GPT-5. 5 Instant model has “significant improvements in factuality across the board. ” The company claims that, based on “internal evaluations,” GPT-5.
Industry Implications
5 Instant produced “52. 5% fewer hallucinated claims” than its Instant model for GPT-5. 3 “on high-stakes prompts covering areas like medicine, law, and finance.
5 Instant also “reduced inaccurate claims by 37. 3% on especially challenging conversations users had flagged for factual errors. ” Related We have to stop ignoring AI’s hallucination problem OpenAI also claims that GPT-5.
5 Instant is “more capable across everyday tasks,” like analyzing image uploads and knowing when to turn to the web for an answer. 5 Instant has “tighter and more to-the-point” responses and will avoid using “gratuitous emojis. 5 Instant, ChatGPT is now “more effective” at pulling in context from things like previous chats and your Gmail to give you more personalized responses, too.
This advance offers important signals about the future of the sector, and the tech world is watching closely.
