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 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 ...

At long last, GPT-5 has arrived — and it's free to all ChatGPT users. On Thursday, OpenAI launched what it describes as its smartest and fastest model yet during a livestream event. In a press ...

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 ...

But Anthropic changed the competitive picture again Tuesday morning with Claude Opus 5.5. The new model costs $4 per million input tokens and $20 per million output tokens, making GPT-6 Sol 50% ...

OpenAI has introduced GPT-6 Sol and GPT-6 Luna, two new AI models that offer improved performance and substantially lower operating costs, expanding the GPT-6 family after releasing GPT-6 Astra ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. OpenAI has significantly reduced pricing for its GPT-5.6 Luna and Terra models, aiming to ...

A year after the launch of GPT-5, OpenAI has announced the arrival of GPT-6 Astra, which will begin rolling out immediately. The AI company called Astra "the world’s most intelligent and aligned model ...

They are also half the price per token, and even less per task. Sam Altman wrote that on X on Tuesday, about GPT-6 Sol and GPT-6 Luna. OpenAI released both models the same afternoon. They extend the ...

OpenAI said Thursday that its API will now include a number of new voice intelligence features designed to help developers create apps that can talk, transcribe, and translate conversations with users ...

OpenAI has unveiled GPT 4.1, the latest advancement in its AI model series, designed to empower developers and optimize workflows. This release introduces three distinct versions—GPT 4.1, GPT 4.1 Mini ...

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 ...