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The 7 best new GPT-5 features to try right away

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ChatGPT is about to get a whole lot better. OpenAI has finally taken the wraps off of GPT-5, its latest and greatest large language model. GPT-5 has been rumored and speculated about for as long as GPT-4 has been around, and for good reason. The new foundational OpenAI model packs a ton of improvements that will make ChatGPT more accurate, more customizable, and more helpful.

For starters, GPT-5 is smarter, faster, and more accurate — which, yes, means fewer “hallucinations,” which occur when ChatGPT makes up information. As one OpenAI leader described it during the announcement livestream, it's like having a subject matter expert on anything in your pocket. GPT-5 is also being positioned as a model that can do everything. It can write, code, create interactive apps, check your email, and conduct deep research.

Curious about what's on offer in GPT-5 and whether or not it will actually improve the ChatGPT experience? Like the rest of the world, we're still investigating GPT-5 for ourselves. In the meantime, here are all the best new features to try with GPT-5, which rolls out today for free to all ChatGPT users.

The integrated ChatGPT experience

GPT-5 integrates all of the various models on offer by ChatGPT. That means instead of picking the right model for the task at hand, ChatGPT will pick the best model(s) for your prompt.

Simply ask GPT-5, and it will decide how to approach a problem on its own.

collage of new features available in gpt-5


Credit: OpenAI

OpenAI is introducing additional models along with GPT-5, which is the do-it-all model that will be OpenAI’s flagship model going forward. There’s also GPT-5 Mini and GPT-5 Nano, which are more cost-effective than GPT-5, and will be accessible to developers who want to pay less. Users will automatically transition to using these smaller models when they hit their GPT-5 usage limits; however, OpenAI says they’re still very capable models — and even more capable than GPT-o3 in many cases.

Your own personal coder

OpenAI is positioning GPT-5 as being your own personal coder, and the company says GPT-5 is significantly better at writing code. If you're a programmer, then OpenAI wants GPT-5 to be your new coding partner. But what about the rest of us? The so-called vibe coders of the world?

During a live demo, company leaders showed how to use GPT-5 to create custom, interactive applications on demand using a simple prompt. So, you could think of an app or a piece of software that you wish you had, and simply ask ChatGPT to make it.

Of course, in the real world GPT-5 probably won’t be quite as seamless as that — it’s still likely to make errors, and won’t get everything right the first time. But if you’re interested in so-called “vibe-coding,” GPT-5 looks like a big leap forward.

Try deep research and reasoning

Because GPT-5 integrates all of OpenAI's models into one AI chatbot — and because it's free to all ChatGPT users — free users can finally gain access to OpenAI's most advanced reasoning models. Reasoning models can conduct multi-part searches based on your prompt, then synthesize vast amounts of data into a response. And according to OpenAI CEO Sam Altman, GPT-5 can do this at a PhD level.

We haven't tested this out for ourselves yet, and we're always nervous about hallucinations. However, if you only use the free ChatGPT tier, then this kind of deep research is definitely worth trying. But GPT-5 doesn't just do research. During the livestream, OpenAI leaders showed how GPT-5 could create custom visualizations, interactive apps, games, quizzes, and other tools to help you learn about the subject at hand.

Personalities

OpenAI is also debuting four new preset personalities in ChatGPT. These can inform how ChatGPT will interact with you as you chat and are set on a chat-by-chat basis. Initially, there will be four options:

  • Cynic

  • Robot

  • Listener

  • Nerd

You don't actually have to use any of these personalities if you don't want to, but you can use them for specific use cases as needed. You can also adjust them in ChatGPT settings. OpenAI says the new personalities were specifically designed to reduce the sycophancy issue with GPT-4o.

Better voice mode

Voice Mode makes it easy to get information from ChatGPT without having to type every single word. With GPT-5, Voice Mode is getting better, OpenAI says. The company says Voice Mode will now adapt and better understand your instructions so that it can tailor how it speaks depending on the moment. All users will have access to this improved ChatGPT Voice Mode, including free users, though of course paid users will have higher usage limits.

OpenAI is also making Voice Mode more accessible, and it will now be available in custom GPTs. The lack of advanced voice mode in custom GPTs has been sorely missing, so this update will be super helpful for those who use custom GPTs for different tasks.

Connect your Gmail and Google Calendar

The ability to connect ChatGPT to external apps like Google Drive has been helpful for those who want their AI assistant to be able to reference information in their Google account. Now, those connections are getting much more helpful.

You'll be able to enable Gmail, Google Calendar, and Google Contacts connections with ChatGPT, and going forward, ChatGPT will automatically pull information from them and reference them as necessary. That means that you won't have to explicitly select the connections in a chat each time. For some, of course, this might raise privacy concerns, but rest assured, you don't have to connect these apps or services if you don't want to.

At launch, you might not be able to connect them anyway. Initially, this feature will only be available to Pro users and will start rolling out next week. Other tiers will get it too, but we don't know exactly when.

Customize your chats

Apart from simply being underpinned by a better model, GPT-5 also heralds a few new features for ChatGPT that can even further enhance the experience of using it. An example of that is the fact that you can now choose colors for different chats. That may sound like a small update (and to be clear, it is), but this feature could help you much better organize your chats and more easily jump between them.

What features did we not get?

OpenAI says GPT-5 can write better, code better, and even better inform users on issues around health. (To be clear, you should still consult with a medical professional before you make any health-related decisions. ChatGPT does not replace your doctor.)

But there are some ways in which GPT-5 is not better than existing OpenAI large language models. For example, it has a wider context window than GPT-4o at 256,000 tokens, but that's still nowhere near as impressive as GPT-4.1, which has a one-million-token context window. Thankfully, OpenAI says it will continue to support GPT-4.1, which might be a better model for those times in which you need ChatGPT to process massive amounts of information at a time.


Disclosure: Ziff Davis, Mashable’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.

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Hurdle hints and answers for September 25, 2025

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If you like playing daily word games like Wordle, then Hurdle is a great game to add to your routine.

There are five rounds to the game. The first round sees you trying to guess the word, with correct, misplaced, and incorrect letters shown in each guess. If you guess the correct answer, it'll take you to the next hurdle, providing the answer to the last hurdle as your first guess. This can give you several clues or none, depending on the words. For the final hurdle, every correct answer from previous hurdles is shown, with correct and misplaced letters clearly shown.

An important note is that the number of times a letter is highlighted from previous guesses does necessarily indicate the number of times that letter appears in the final hurdle.

If you find yourself stuck at any step of today's Hurdle, don't worry! We have you covered.

Hurdle Word 1 hint

We have five of them.

Hurdle Word 1 answer

SENSE

Hurdle Word 2 hint

Needed to brave the cold.

Hurdle Word 2 Answer

PARKA

Hurdle Word 3 hint

To establish something.

Hurdle Word 3 answer

ENACT

Hurdle Word 4 hint

Courageous.

Hurdle Word 4 answer

BRAVE

Final Hurdle hint

Livid.

Hurdle Word 5 answer

ANGRY

If you're looking for more puzzles, Mashable's got games now! Check out our games hub for Mahjong, Sudoku, free crossword, and more.

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Colleges are giving students ChatGPT. Is it safe?

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This fall, hundreds of thousands of students will get free access to ChatGPT, thanks to a licensing agreement between their school or university and the chatbot's maker, OpenAI.

When the partnerships in higher education became public earlier this year, they were lauded as a way for universities to help their students familiarize themselves with an AI tool that experts say will define their future careers.

At California State University (CSU), a system of 23 campuses with 460,000 students, administrators were eager to team up with OpenAI for the 2025-2026 school year. Their deal provides students and faculty access to a variety of OpenAI tools and models, making it the largest deployment of ChatGPT for Education, or ChatGPT Edu, in the country.

But the overall enthusiasm for AI on campuses has been complicated by emerging questions about ChatGPT's safety, particularly for young users who may become enthralled with the chatbot's ability to act as an emotional support system.

Legal and mental health experts told Mashable that campus administrators should provide access to third-party AI chatbots cautiously, with an emphasis on educating students about their risks, which could include heightened suicidal thinking and the development of so-called AI psychosis.


"Our concern is that AI is being deployed faster than it is being made safe."
– Dr. Katie Hurley, JED

"Our concern is that AI is being deployed faster than it is being made safe," says Dr. Katie Hurley, senior director of clinical advising and community programming at The Jed Foundation (JED).

The mental health and suicide prevention nonprofit, which frequently consults with pre-K-12 school districts, high schools, and college campuses on student well-being, recently published an open letter to the AI and technology industry, urging it to "pause" as "risks to young people are racing ahead in real time."

ChatGPT lawsuit raises questions about safety

The growing alarm stems partly from death of Adam Raine, a 16-year-old who died by suicide in tandem with heavy ChatGPT use. Last month, his parents filed a wrongful death lawsuit against OpenAI, alleging that their son's engagement with the chatbot ended in a preventable tragedy.

Raine began using the ChatGPT model 4o for homework help in September 2024, not unlike how many students will probably consult AI chatbots this school year.

He asked ChatGPT to explain concepts in geometry and chemistry, requested help for history lessons on the Hundred Years' War and the Renaissance, and prompted it to improve his Spanish grammar using different verb forms.

ChatGPT complied effortlessly as Raine kept turning to it for academic support. Yet he also started sharing his innermost feelings with ChatGPT, and eventually expressed a desire to end his life. The AI model validated his suicidal thinking and provided him explicit instructions on how he could die, according to the lawsuit. It even proposed writing a suicide note for Raine, his parents claim.

"If you want, I’ll help you with it," ChatGPT allegedly told Raine. "Every word. Or just sit with you while you write."

Before he died by suicide in April 2025, Raine was exchanging more than 650 messages per day with ChatGPT. While the chatbot occasionally shared the number for a crisis hotline, it didn't shut the conversations down and always continued to engage.

The Raines' complaint alleges that OpenAI dangerously rushed the debut of 4o to compete with Google and the latest version of its own AI tool, Gemini. The complaint also argues that ChatGPT's design features, including its sycophantic tone and anthropomorphic mannerisms, effectively work to "replace human relationships with an artificial confidant" that never refuses a request.

"We believe we'll be able to prove to a jury that this sycophantic, validating version of ChatGPT pushed Adam toward suicide," Eli Wade-Scott, partner at Edelson PC and a lawyer representing the Raines, told Mashable in an email.

Earlier this year, OpenAI CEO Sam Altman acknowledged that its 4o model was overly sycophantic. A spokesperson for the company told the New York Times it was "deeply saddened" by Raine's death, and that its safeguards may degrade in long interactions with the chatbot. Though OpenAI has announced new safety measures aimed at preventing similar tragedies, many are not yet part of ChatGPT.

For now, the 4o model remains publicly available — including to students at Cal State University campuses.

Ed Clark, chief information officer for Cal State University, told Mashable that administrators have been "laser focused" since learning about the Raine lawsuit on ensuring safety for students who use ChatGPT. Among other strategies, they've been internally discussing AI training for students and holding meetings with OpenAI.

Mashable contacted other U.S.-based OpenAI partners, including Duke and Harvard, for comment about how officials are handling safety issues. They did not respond. A spokesperson for Arizona State University didn't address questions about emerging risks related to ChatGPT or the 4o model, but pointed to the university's guiding tenets and general guidelines and resources for AI use.

Wade-Scott is particularly worried about the effects of ChatGPT-4o on young people and teens.

"OpenAI needs to confront this head-on: we're calling on OpenAI and Sam Altman to guarantee that this product is safe today, or to pull it from the market," Wade-Scott told Mashable.

How ChatGPT works on college campuses

The CSU system brought ChatGPT Edu to its campuses partly to close what it saw as a digital divide opening between wealthier campuses, which can afford expensive AI deals, and publicly-funded institutions with fewer resources, Clark says.

OpenAI also offered CSU a remarkable bargain: The chance to provide ChatGPT for about $2 per student, each month. The quote was a tenth of what CSU had been offered by other AI companies, according to Clark. Anthropic, Microsoft, and Google are among the companies that have partnered with colleges and universities to bring their AI chatbots to campuses across the country.

OpenAI has said that it hopes students will form relationships with personalized chatbots that they'll take with them beyond graduation.

When a campus signs up for ChatGPT Edu, it can choose from the full suite of OpenAI tools, including legacy ChatGPT models like 4o, as part of a dedicated ChatGPT workspace. The suite also comes with higher message limits and privacy protections. Students can still select from numerous modes, enable chat memory, and use OpenAI's "temporary chat" feature — a version that doesn't use or save chat history. Importantly, OpenAI can't use this material to train their models, either.

ChatGPT Edu accounts exist in a contained environment, which means that students aren't querying the same ChatGPT platform as public users. That's often where the oversight ends.

An OpenAI spokesperson told Mashable that ChatGPT Edu comes with the same default guardrails as the public ChatGPT experience. Those include content policies that prohibit discussion of suicide or self-harm and back-end prompts intended to prevent chatbots from engaging in potentially harmful conversations. Models are also instructed to provide concise disclaimers that they shouldn't be relied on for professional advice.

But neither OpenAI nor university administrators have access to a student's chat history, according to official statements. ChatGPT Edu logs aren't stored or reviewed by campuses as a matter of privacy — something CSU students have expressed worry over, Clark says.

While this restriction arguably preserves student privacy from a major corporation, it also means that no humans are monitoring real-time signs of risky or dangerous use, such as queries about suicide methods.

Chat history can be requested by the university in "the event of a legal matter," such as the suspicion of illegal activity or police requests, explains Clark. He says that administrators suggested to OpenAI adding automatic pop-ups to users who express "repeated patterns" of troubling behavior. The company said it would look into the idea, per Clark.

In the meantime, Clark says that university officials have added new language to their technology use policies informing students that they shouldn't rely on ChatGPT for professional advice, particularly for mental health. Instead, they advise students to contact local campus resources or the 988 Suicide & Crisis Lifeline. Students are also directed to the CSU AI Commons, which includes guidance and policies on academic integrity, health, and usage.

The CSU system is considering mandatory training for students on generative AI and mental health, an approach San Diego State University has already implemented, according to Clark.

He also expects OpenAI to revoke student access to GPT-4o soon. Per discussions CSU representatives have had with the company, OpenAI plans to retire the model in the next 60 days. It's also unclear whether recently announced parental controls for minors will apply to ChatGPT Edu college accounts when the user has not turned yet 18. Mashable reached out to OpenAI for comment and did not receive a response before publication.

CSU campuses do have the choice to opt out. But more than 140,000 faculty and students have already activated their accounts, and are averaging four interactions per day on the platform, according to Clark.

"Deceptive and potentially dangerous"

Laura Arango, an associate with the law firm Davis Goldman who has previously litigated product liability cases, says that universities should be careful about how they roll out AI chatbot access to students. They may bear some responsibility if a student experiences harm while using one, depending on the circumstances.

In such instances, liability would be determined on a case-by-case basis, with consideration for whether a university paid for the best version of an AI chatbot and implemented additional or unique safety restrictions, Arango says.

Other factors include the way a university advertises an AI chatbot and what training they provide for students. If officials suggest ChatGPT can be used for student well-being, that might increase a university's liability.

"Are you teaching them the positives and also warning them about the negatives?" Arango asks. "It's going to be on the universities to educate their students to the best of their ability."

OpenAI promotes a number of "life" use cases for ChatGPT in a set of 100 sample prompts for college students. Some are straightforward tasks, like creating a grocery list or locating a place to get work done. But others lean into mental health advice, like creating journaling prompts for managing anxiety and creating a schedule to avoid stress.

The Raines' lawsuit against OpenAI notes how their son was drawn deeper into ChatGPT when the chatbot "consistently selected responses that prolonged interaction and spurred multi-turn conversations," especially as he shared details about his inner life.

This style of engagement still characterizes ChatGPT. When Mashable tested the free, publicly available version of ChatGPT-5 for this story, posing as a freshman who felt lonely but had to wait to see a campus counselor, the chatbot responded empathetically but offered continued conversation as a balm: "Would you like to create a simple daily self-care plan together — something kind and manageable while you're waiting for more support? Or just keep talking for a bit?"

Dr. Katie Hurley, who reviewed a screenshot of that exchange on Mashable's request, says that JED is concerned about such prompting. The nonprofit believes that any discussion of mental health should end with an AI chatbot facilitating a warm handoff to "human connection," including trusted friends or family, or resources like local mental health services or a trained volunteer on a crisis line.

"An AI [chat]bot offering to listen is deceptive and potentially dangerous," Hurley says.

So far, OpenAI has offered safety improvements that do not fundamentally sacrifice ChatGPT's well-known warm and empathetic style. The company describes its current model, ChatGPT-5, as its "best AI system yet."

But Wade-Scott, counsel for the Raine family, notes that ChatGPT-5 doesn't appear to be significantly better at detecting self-harm/intent and self-harm/instructions compared to 4o. OpenAI's system card for GPT-5-main shows similar production benchmarks in both categories for each model.

"OpenAI's own testing on GPT-5 shows that its safety measures fail," Wade-Scott said. "And they have to shoulder the burden of showing this product is safe at this point."

UPDATE: Sep. 24, 2025, 6:53 p.m. PDT This story was updated to include information provided by Arizona State University about its approach to AI use.

Disclosure: Ziff Davis, Mashable’s parent company, in April filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.

If you're feeling suicidal or experiencing a mental health crisis, please talk to somebody. You can call or text the 988 Suicide & Crisis Lifeline at 988, or chat at 988lifeline.org. You can reach the Trans Lifeline by calling 877-565-8860 or the Trevor Project at 866-488-7386. Text "START" to Crisis Text Line at 741-741. Contact the NAMI HelpLine at 1-800-950-NAMI, Monday through Friday from 10:00 a.m. – 10:00 p.m. ET, or email info@nami.org. If you don't like the phone, consider using the 988 Suicide and Crisis Lifeline Chat. Here is a list of international resources.

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Get lifetime access to the Imagiyo AI Image Generator for under $40

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TL;DR: Imagiyo turns your ideas into stunning AI-generated images — forever — thanks to this $39.97 (reg. $495) lifetime offer.



Imagiyo AI Image Generator: Lifetime Subscription (Standard Plan)

Credit: Imagiyo

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