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OpenAI has launched GPT-5, the latest version of its artificial intelligence model that powers ChatGPT, promising a significant leap in speed, capability, and usability. The rollout began Thursday and will be available to all 700 million ChatGPT users worldwide.
CEO Sam Altman called the release “a major upgrade” and “a significant step along the path of AGI” (artificial general intelligence), saying that once you use GPT-5, “going back to GPT-4 is miserable.”
Automatic Switching and New Versions
For the first time, users will not have to manually choose between different models for different tasks. GPT-5 will automatically select the appropriate processing power depending on the request’s complexity.
The model will be available in three formats: standard, mini, and nano, with paid subscribers receiving higher usage limits.
Speed and New Features
OpenAI says GPT-5 is its fastest model yet. Altman revealed he had pushed the team to “make it way, way faster,” and the result is a system he says feels instant, even for complex queries.
One of the most hyped capabilities is vibe coding—a trend in Silicon Valley where the AI develops software in a more intuitive, conversational style. The company also claims GPT-5 has improved reasoning, showing logical steps and inference in its answers.
From High Schooler to PhD
Altman compared the evolution of the GPT series to educational stages:
- GPT-3: “Talking to a high school student.”
- GPT-4: “Talking to a college student.”
- GPT-5: “Feels like talking to an expert in any topic, like a PhD-level expert.”
According to OpenAI, GPT-5 can now create complete software applications, deliver more accurate and honest answers, and respond in a way that feels “more human” than ever before.
Mixed Expert Reactions
Not everyone is convinced the leap is as dramatic as OpenAI suggests.
Prof Carissa Véliz of Oxford University’s Institute for Ethics in AI cautioned that, despite the hype, such systems still mimic human reasoning rather than replicate it.
“These systems, as impressive as they are, haven’t been able to be really profitable,” she said. “There is a fear that we need to keep up the hype, or else the bubble might burst.”
Gaia Marcus of the Ada Lovelace Institute warned that GPT-5’s release underscores the urgent need for stronger AI regulation:
“As these models become more capable, the need for comprehensive regulation becomes even more urgent.”
Concerns Over Content Use and Authenticity
The rollout also raises fresh concerns in creative industries. Grant Farhall, chief product officer at Getty Images, stressed the importance of protecting creators’ rights as AI becomes more convincing.
“Authenticity matters—but it doesn’t come for free,” he said, urging transparency around how models are trained and ensuring fair compensation when copyrighted material is used.
