OpenAI has released GPT-5.4 mini and GPT-5.4 nano, calling them its “most capable small models yet,” with a clear focus on speed, efficiency, and strong performance for everyday AI tasks, while also ...

Credit: VentureBeat made with OpenAI ChatGPT-Images-2.0 OpenAI has made a significant update to its most widely used language model, GPT-5.5 Instant, which is the default in the free version of ...

OpenAI said on Monday that it would soon wind down the availability of GPT-4.5, its largest-ever AI model, via its API. GPT-4.5 was released only in late February. Developers will have access to GPT-4 ...

OpenAI introduced GPT-6.1 Sol, an upgrade to its GPT-6 Sol model, at its DevDay 2026 event on September 29, 2026, releasing the model in the API at $2 per million input tokens and $10 per million ...

OpenAI has sent out emails notifying API customers that its chatgpt-4o-latest model will be retired from the developer platform in mid-February 2026. Access to the model is scheduled to end on ...

GPT-6 Sol and Luna cut API prices in half while promising fewer factual mistakes and stronger coding performance, OpenAI says. Compared with the promotional prices of the GPT-5.6 models, GPT-6 Sol ...

OpenAI released the Decisions API in public beta on October 6, 2026, introducing an endpoint that returns typed answers to developer-defined questions over text and image inputs. The OpenAI API ...

OpenAI has expanded GPT-6 with the GPT-6 Sol and GPT-6 Luna models. Both are available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users. Free and Go users can access GPT-6 ...

OpenAI says GPT-5.4 is “the most capable and efficient frontier model for complex professional work.” Within ChatGPT, the company calls this model GPT 5.4 Thinking. There are also releases for the API ...

On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...

OpenAI says it has reduced the price of two GPT-5.6 models, cutting Luna’s API price by 80% and Terra’s by 20% as it works to make its models more efficient. As per the updated pricing, GPT-5.6 Luna ...

While ChatGPT has existed in various forms for some time, its true mainstream success began with the release of GPT-3 in 2020. Since then, ChatGPT has evolved significantly, both for better and worse.