Is GPT-4 (Original) dead?

Yes. GPT-4 (Original) was shut down on October 23, 2026, 3 years, 7 months after its launch on March 14, 2023. The cause of death was model deprecation; it was killed by OpenAI. Classification: model deprecation. Details and the source are above.

🪦 Dead

GPT-4 (Original)

Model deprecation · Model Deprecation · shut down October 23, 2026

Born: March 14, 2023
Died: October 23, 2026
Lifespan: 3y 7m
Cause of death: Model Deprecation
Killed by: OpenAI
Type: Model

OpenAI's March 2023 flagship, the model that set the benchmark for the GPT-4 era. The GPT-4-32k endpoint went first, in June 2024, and GPT-4 left ChatGPT on April 30, 2025. The API kept gpt-4 and gpt-4-0613 alive for another 18 months, until OpenAI shut both down on October 23, 2026, 3 years and 7 months after launch, pointing developers to the gpt-5.6 models.

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GPT-4 (Original)

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