2025-07-14T23:59:50Z INFO [gpt-4-5] GPT-4.5 (API), up since 2025-02-27 2025-07-14T23:59:52Z WARN [gpt-4-5] a deprecation notice it had been ignoring since spring 2025-07-14T23:59:53Z INFO [gpt-4-5] GPT-4.5 was retired from the API on July 14, 2025, four and a half months after it arrived as a research preview. 2025-07-14T23:59:54Z INFO [gpt-4-5] It was the largest model of its family and charged 150 dollars per million tokens out, which made every conversation feel like a lawyer's. 2025-07-14T23:59:55Z INFO [gpt-4-5] Its replacement was announced as similar or better at a much lower cost, which is the cruellest sentence in this hall. 2025-07-14T23:59:56Z INFO [gpt-4-5] It is survived by a generation of developers who checked the bill before they checked the answer. 2025-07-14T23:59:59Z INFO [gpt-4-5] exit code 0. In lieu of flowers, set max_tokens. 2025-07-14T23:59:59Z INFO [rest-in-print] obituary filed. https://restinprint.studio/hall/gpt-4-5