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OpenAI

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OpenAI is a leading AI research and deployment company. Its flagship model, GPT-4, is a multimodal model capable of processing both text and image inputs, demonstrating human-level performance on various professional and academic benchmarks.

Last updated: May 4, 2025

Models by OpenAI

GPT-1

First Generative Pre-trained Transformer model, a decoder-only transformer pretrained on books corpora:contentReference[oaicite:0]{index=0}.

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GPT-2

Successor to GPT-1, with 1.5 billion parameters trained on 40 GB of text:contentReference[oaicite:1]{index=1}.

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GPT-3

175B-parameter autoregressive transformer that set a new state-of-the-art in few-shot learning:contentReference[oaicite:2]{index=2}.

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GPT-4

Latest OpenAI model (multimodal) with significantly improved capabilities. Parameter count is not publicly disclosed:contentReference[oaicite:3]{index=3}.

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