OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview ...

This remarkable outcome underscores the effectiveness of RL when applied to robust foundation models pre-trained on extensive ...

OpenAI has announced a research preview of GPT-4.5 which it describes as a more natual model over its predecessors.

Earlier this month, OpenAI CEO Sam Altman shared a roadmap for its upcoming models, GPT-4.5 and GPT-5. In the X post, Altman ...

The Qwen team said that QwQ-Max-Preview – built on the most advanced ... said to outperform competitors Deepseek and OpenAI’s GPT-4o Alibaba on Monday pledged to invest US$53 billion on ...

OpenAI is also making its web search, file search and computer use tools available directly through the responses API.

With a modest size of just 1.5 billion parameters, DeepScaler has achieved remarkable results, surpassing OpenAI’s o1-Preview in general math benchmarks. This accomplishment highlights the ...

GPT-4.5 will be available as a research preview for ChatGPT ... performance is below that of o1, o3-mini, and deep research on most preparedness evaluations.” OpenAI has since removed this ...

The researchers had to give "hints" that cheating was allowed for some models, but OpenAI's o1-preview and DeepSeek's R1 did so without human involvement. The Palisade team pitted several ...

An AI expert who requested anonymity told Ars Technica, "GPT-4.5 is a lemon!" when comparing its reported performance to its ...

GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage ...