OpenAI

API surface by OpenAI · site · lifecycle docs

OpenAI is a serving surface for AI models. No prose here yet — the table below is derived from each model's cited lifecycle rows.

Models

ModelAddedDeprecatedShut down
code-davinci-0022022-03-152023-07-062024-01-04
gpt-4-03142023-03-142025-09-262026-03-26
gpt-4-06132023-06-132025-04-222026-10-23
gpt-4o-2024-05-132024-05-132026-04-222026-10-23
gpt-4o-2024-08-062024-08-06——
gpt-4o-2024-11-202024-11-20——
o1—2026-04-222026-10-23
GPT-4.52025-02-272025-04-142025-07-14
o32025-04-162026-06-112026-12-11
o3-pro2025-06-102026-06-112026-12-11
GPT-5 Thinking2025-08-072026-06-112026-12-11
GPT-5 Instant2025-08-072026-04-222026-07-23
GPT-5 Pro2025-10-062026-06-112026-12-11
GPT-5.1 Instant—2026-04-222026-07-23
GPT-5.1 Thinking2025-11-13——
GPT-5.1-Codex-Max2025-11-192026-04-222026-07-23
GPT-5.2 Thinking2025-12-11——
GPT-5.3-Codex2026-02-05——
GPT-5.3 Instant—2026-05-082026-08-10
GPT-5.4 Thinking2026-03-05——
GPT-5.5 Thinking2026-04-23——
GPT-5.6 Luna2026-07-09——
GPT-5.6 Sol2026-07-09——
GPT-5.6 Terra2026-07-09——