OpenAI unveiled new API updates at its Dev Day on Monday, introducing GPT-5 Professional, its newest language mannequin, its new video technology mannequin Sora 2, and a smaller, cheaper voice mannequin.
The updates had been a part of a collection of announcements geared towards wooing builders to OpenAI’s ecosystem, together with the launch of an agent-building tool and the ability to build apps in ChatGPT.
The addition of GPT-5 Professional may attraction to builders constructing purposes in finance, authorized, and healthcare — industries that want “excessive accuracy and depth of reasoning,” per OpenAI CEO Sam Altman.
Altman additionally famous that voice capabilities shall be important sooner or later because it shortly turns into one of many major methods folks use to work together with AI. To that finish, OpenAI is launching “gpt-realtime mini,” a smaller, cheaper voice mannequin in API that helps low-latency streaming interactions for audio and speech. The brand new mannequin is 70% cheaper than OpenAI’s previous advanced voice model however guarantees the “similar voice high quality and expressiveness.”
Lastly, creators concerned in OpenAI’s developer ecosystem can now faucet into Sora 2 in preview within the API. OpenAI launched Sora 2, its newest audio and video generator, final week alongside the Sora app, a TikTok competitor full of brief AI-generated movies. The Sora app permits customers to generate movies of themselves, pals, or something primarily based on a immediate, and share it through a TikTok-style algorithmic feed.
“[Developers] now have entry to the identical mannequin that powers Sora 2’s gorgeous video outputs proper in your individual app,” Altman mentioned.
Sora 2 builds on its earlier technology with extra sensible, bodily constant scenes with synchronized sound and higher inventive management — from detailed digicam path to stylized visuals.
Techcrunch occasion
San Francisco
|
October 27-29, 2025
“For instance, you’ll be able to take the iPhone view and immediate Sora to increase it right into a sweeping, cinematic large shot,” Altman mentioned. “However one of the vital thrilling issues that we’ve been engaged on is how nicely this new mannequin pairs sound with visuals, not simply speech, however wealthy soundscapes, ambient audio, synchronized results which are grounded in what you’re seeing.”
Sora 2 is pitched as a instrument for idea growth, whether or not it’s a visible place to begin for an advert primarily based on the overall vibe of a product, or a Mattel designer turning a sketch right into a toy idea — an instance Altman offered at Dev Day that sheds gentle on OpenAI’s deal with the Barbie-maker to carry generative AI into the toy-making pipeline.
