OpenAI introduced a series of API updates at its recent Dev Day, launching GPT-5 Pro, its latest language model, alongside the new video generation model Sora 2, and a more economical voice model. These announcements are part of OpenAI's strategy to expand its developer ecosystem, which also includes the release of an agent-building tool and enhanced capabilities for app development within ChatGPT.
GPT-5 Pro is positioned to support applications requiring high accuracy and depth of reasoning, targeting sectors such as finance, legal, and healthcare, according to OpenAI CEO Sam Altman. This enhanced capability is relevant for industrial applications demanding precise data processing and complex reasoning within operational frameworks and regulated environments.
Further enhancing its API offerings, OpenAI launched "gpt-realtime mini," a smaller, more cost-effective voice model designed for low-latency streaming interactions for audio and speech. This new model is 70% cheaper than OpenAI's previous advanced voice model while maintaining comparable voice quality and expressiveness. Altman emphasized the growing importance of voice capabilities as a primary interface for AI interactions, indicating potential for hands-free operational control and interactive systems in industrial settings.
In the domain of visual content, creators within OpenAI's developer ecosystem now have preview access to Sora 2 through the API. Sora 2, OpenAI's advanced audio and video generator, reportedly builds on its predecessor by generating more realistic and physically consistent scenes, featuring synchronized sound and expanded creative control, including detailed camera direction and stylized visuals. Altman stated that developers can now utilize the same model powering Sora 2's video outputs directly within their own applications. OpenAI cited an example of a Mattel designer using the technology to transform a sketch into a toy concept, illustrating its utility for rapid prototyping, design iteration, and visual concept development across various industries.