OpenAI Launches GPT-4.5 for ChatGPT—It’s Huge and Compute-Intensive

Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s first available through the company’s $200 monthly ChatGPT subscription.

Feb 27, 2025 - 18:00
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OpenAI Launches GPT-4.5 for ChatGPT—It’s Huge and Compute-Intensive
Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s first available through the company’s $200 monthly ChatGPT subscription.