GPT-4.5

Summary

GPT-4.5 is a large language model^[1]. GPT-4.5 has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.^[2]

Key Facts

• GPT-4.5's instance of is recorded as large language model^[3].
• GPT-4.5's instance of is recorded as generative pre-trained transformer^[4].
• GPT-4.5 followed GPT-4o^[5].
• GPT-4.5 was followed by GPT-4.1^[6].
• GPT-4.5's developer is recorded as OpenAI^[7].
• GPT-4.5's copyright license is recorded as proprietary license^[8].
• +2025-02-27T00:00:00Z marks the founding of GPT-4.5^[9].
• GPT-4.5 was published on +2025-02-27T00:00:00Z^[10].
• GPT-4.5's hashtag is recorded as GPT4_5^[11].
• GPT-4.5's copyright status is recorded as copyrighted^[12].

Body

Definition and Type

Recorded instance of include large language model^[3] and generative pre-trained transformer^[4].

Origins

+2025-02-27T00:00:00Z marks the founding of GPT-4.5^[9].

Why It Matters

GPT-4.5 has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.^[2]