Article 6MV13 OpenAI and Google are launching supercharged AI assistants. Here’s how you can try them out.

OpenAI and Google are launching supercharged AI assistants. Here’s how you can try them out.

by
James O'Donnell
from MIT Technology Review on (#6MV13)
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This week, Google and OpenAI both announced they've built supercharged AI assistants: tools that can converse with you in real time and recover when you interrupt them, analyze your surroundings via live video, and translate conversations on the fly.

OpenAI struck first on Monday, when it debuted its new flagship model GPT-4o. The live demonstration showed it reading bedtime stories and helping to solve math problems, all in a voice that sounded eerily like Joaquin Phoenix's AI girlfriend in the movie Her (a trait not lost on CEO Sam Altman).

On Tuesday, Google announced its own new tools, including a conversational assistant called Gemini Live, which can do many of the same things. It also revealed that it's building a sort of do-everything" AI agent, which is currently in development but will not be released until later this year.

Soon you'll be able to explore for yourself to gauge whether you'll turn to these tools in your daily routine as much as their makers hope, or whether they're more like a sci-fi party trick that eventually loses its charm. Here's what you should know about how to access these new tools, what you might use them for, and how much it will cost.

OpenAI's GPT-4o

What it's capable of: The model can talk with you in real time, with a response delay of about 320 milliseconds, which OpenAI says is on par with natural human conversation. You can ask the model to interpret anything you point your smartphone camera at, and it can provide assistance with tasks like coding or translating text. It can also summarize information, and generate images, fonts, and 3D renderings.

How to access it: OpenAI says it will start rolling out GPT-4o's text and vision features in the web interface as well as the GPT app, but has not set a date. The company says it will add the voice functions in the coming weeks, although it's yet to set an exact date for this either. Developers can access the text and vision features in the API now, but voice mode will launch only to a small group" of developers initially.

How much it costs: Use of GPT-4o will be free, but OpenAI will set caps on how much you can use the model before you need to upgrade to a paid plan. Those who join one of OpenAI's paid plans, which start at $20 per month, will have five times more capacity on GPT-4o.

Google's Gemini Live

What is Gemini Live? This is the Google product most comparable to GPT-4o-a version of the company's AI model that you can speak with in real time. Google says that you'll also be able to use the tool to communicate via live video later this year." The company promises it will be a useful conversational assistant for things like preparing for a job interview or rehearsing a speech.

How to access it: Gemini Live launches in the coming months" via Google's premium AI plan, Gemini Advanced.

How much it costs: Gemini Advanced offers a two-month free trial period and costs $20 per month thereafter.

But wait, what's Project Astra? Astra is a project to build a do-everything AI agent, which was demoed at Google's I/O conference but will not be released until later this year.

People will be able to use Astra through their smartphones and possibly desktop computers, but the company is exploring other options too, such as embedding it into smart glasses or other devices, Oriol Vinyals, vice president of research at Google DeepMind, told MIT Technology Review.

Which is better?

It's hard to tell without having hands on the full versions of these models ourselves. Google showed off Project Astra through a polished video, whereas OpenAI opted to debut GPT-4o via a seemingly more authentic live demonstration, but in both cases, the models were asked to do things the designers likely already practiced. The real test will come when they're debuted to millions of users with unique demands.

That said, if you compare OpenAI's published videos with Google's, the two leading tools look very similar, at least in their ease of use. To generalize, GPT-4o seems to be slightly ahead on audio, demonstrating realistic voices, conversational flow, and even singing, whereas Project Astra shows off more advanced visual capabilities, like being able to remember" where you left your glasses. OpenAI's decision to roll out the new features more quickly might mean its product will get more use at first than Google's, which won't be fully available until later this year. It's too soon to tell which model hallucinates" false information less often or creates more useful responses.

Are they safe?

Both OpenAI and Google say their models are well tested: OpenAI says GPT-4o was evaluated by more than 70 experts in fields like misinformation and social psychology, and Google has said that Gemini has the most comprehensive safety evaluations of any Google AI model to date, including for bias and toxicity."

But these companies are building a future where AI models search, vet, and evaluate the world's information for us to serve up a concise answer to our questions. Even more so than with simpler chatbots, it's wise to remain skeptical about what they tell you.

Additional reporting by Melissa Heikkila.

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