Google's AI chess tournament ended Thursday with OpenAI’s o3 model sweeping xAI's Grok in four straight games.

Good news, AI developers! OpenAI has announced a substantial price cut on o3, its flagship reasoning large language model (LMM), slashing costs by a whopping 80% for both input and output tokens.

Today, OpenAI is responding to developer feedback by reducing the price of the o3 model by nearly 80%. At launch, the o3 model was priced at $10 per million input tokens and $40 per million output ...

From a consumer perspective, a Plus subscription no longer unlocks OpenAI’s best model at this time. On the flip side, ...

For the first time in more than five years, OpenAI is launching a new open language model that appears to be state of the art ...

OpenAI has launched GPT-5, its new flagship AI system. It features a unified architecture with adaptive reasoning to boost ...

OpenAI’s new open-weight models are gpt-oss-120b and gpt-oss-20b. The smaller model, gpt-oss-20b, can be run on a consumer ...

ChatGPT o3 API is now cheaper for developers, and there's no visible impact on performance. On Wednesday, OpenAI announced it's cutting the price of its best reasoning model, o3, by 80%.

OpenAI launches groundbreaking o3 and o4-mini AI models that can manipulate and reason with images, representing a major advance in visual problem-solving and tool-using artificial intelligence.

OpenAI has unveiled its latest AI model, known as o3. The company claims that it can think “with images,” meaning that it understands sketches and diagrams, even low-quality ones.

According to OpenAI's system card, its newly-released reasoning models o3 and o4-mini have higher hallucination rates than o1, GPT-4o, and GPT-4.5, even though they're supposed to be better.

OpenAI has released o3, their highly anticipated reasoning model, along with o4-mini, a smaller and cheaper model that succeeds o3-mini. We evaluated the new models on our suite of math and ...