# OpenAI API Models gpt-3.5-turbo — lifecycle date releaseDate is now 2023-03-01 For OpenAI API Models gpt-3.5-turbo, product is openai-api-models; field changed is releaseDate; new value is 2023-03-01; detected is 2026-09-08, verified against its source on 2026-09-08. - **Product:** openai-api-models _(verified: appears in the quote below)_ - **Product label:** OpenAI API Models _(verified: appears in the quote below)_ - **Release cycle:** gpt-3.5-turbo _(verified: appears in the quote below)_ - **Field changed:** releaseDate _(verified: appears in the quote below)_ - **New value:** 2023-03-01 _(verified: appears in the quote below)_ - **Detected:** 2026-09-08 _(verified: appears in the quote below)_ ## What the source says > {"name":"gpt-3.5-turbo","codename":null,"label":"GPT-3.5 Turbo","releaseDate":"2023-03-01" ## Source - https://endoflife.date/api/v1/products/openai-api-models Last verified: 2026-09-08. Review by: 2026-09-22. Part of [Software end-of-life date changes — which dates moved and what they were before](https://referencesource.org/software-eol-change-feed/).