{"id":29291,"date":"2026-05-06T10:35:09","date_gmt":"2026-05-06T10:35:09","guid":{"rendered":"https:\/\/www.europesays.com\/ai\/29291\/"},"modified":"2026-05-06T10:35:09","modified_gmt":"2026-05-06T10:35:09","slug":"openai-gives-chatgpt-a-smarter-sharper-default-model-free-for-everyone","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ai\/29291\/","title":{"rendered":"OpenAI Gives ChatGPT A Smarter, Sharper Default Model, Free for Everyone"},"content":{"rendered":"

OpenAI has begun rolling out a new default model for ChatGPT, making its latest update available to all users free of charge.The company announced on Tuesday that GPT-5.5 Instant is now the standard model powering ChatGPT, replacing the previous default, GPT-5.3 Instant. The older model will remain accessible to paid subscribers for a further three months before being retired.<\/p>\n

The update follows the release of GPT-5.5 in April, which, unlike the new Instant version, is restricted to paying customers. GPT-5.5 Instant, by contrast, is available to everyone, putting it in a different bracket from rivals such as Anthropic’s Claude Opus 4.7, which remains behind a paywall.<\/p>\n

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OpenAI says the new model should deliver a more natural conversational tone, more concise responses and a stronger ability to draw on context from previous exchanges.<\/p>\n

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The company also claims it produces significantly fewer hallucinations, the term used when AI systems state incorrect information as fact. In internal testing, GPT-5.5 Instant generated 52.5 per cent fewer hallucinated claims than its predecessor on high-stakes subjects such as law, finance and medicine.<\/p>\n

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The model is also said to be more capable of judging when to run a web search and better at analysing images. It can additionally draw on connected accounts, such as Gmail, to provide more relevant answers.<\/p>\n","protected":false},"excerpt":{"rendered":"OpenAI has begun rolling out a new default model for ChatGPT, making its latest update available to all…\n","protected":false},"author":2,"featured_media":29292,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[25,580,19256,19254,19255,19208,157],"class_list":{"0":"post-29291","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-openai","8":"tag-artificial-intelligence","9":"tag-chatgpt","10":"tag-default-model","11":"tag-gpt-5-5-instant","12":"tag-hallucinations","13":"tag-language-model","14":"tag-openai"},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/29291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/comments?post=29291"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/29291\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media\/29292"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media?parent=29291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/categories?post=29291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/tags?post=29291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}