Confirmed model releases

OpenAI model releases

A newest-first record of confirmed OpenAI launches, linked to the source used for the date and the corresponding BenchLM model record when available.

30 confirmed releases1 providersData through Sep 10, 2026How releases are confirmed

OpenAI release archive

30 confirmed releases · latest Sep 10, 2026

Provider dossier

Confirmed releases

Release	Provider	Confirmed	Evidence	BenchLM
September 2026· 2 releases
GPT-Live-1 in the API	OpenAI	Sep 10, 2026Exact day	OpenAI	Benchmarks
GPT-6 Astra	OpenAI	Sep 3, 2026Exact day	OpenAI GPT-6 Astra model documentation	Benchmarks
August 2026· 1 release
GPT-5.6 Cyber (Daybreak Red)	OpenAI	Aug 10, 2026Exact day	OpenAI Daybreak	Benchmarks
July 2026· 5 releases
GPT Live Transcribe	OpenAI	Jul 28, 2026Exact day	OpenAI	Benchmarks
GPT Transcribe	OpenAI	Jul 28, 2026Exact day	OpenAI	Benchmarks
GPT-5.63 model variants	OpenAI	Jul 9, 2026Exact day	OpenAI GPT-5.6	Benchmarks
GPT Realtime 2.1	OpenAI	Jul 6, 2026Exact day	OpenAI	Benchmarks
GPT Realtime 2.1 Mini	OpenAI	Jul 6, 2026Exact day	OpenAI	Benchmarks
April 2026· 2 releases
GPT Audio 1.5	OpenAI	Apr 23, 2026Exact day	OpenAI	Benchmarks
GPT-5.5 and GPT-5.5 Pro2 model variants	OpenAI	Apr 23, 2026Exact day	OpenAI	Benchmarks
March 2026· 3 releases
GPT-5.4 mini and nano2 model variants	OpenAI	Mar 17, 2026Exact day	OpenAI	Benchmarks
GPT-5.4 and GPT-5.4 Pro2 model variants	OpenAI	Mar 5, 2026Exact day	OpenAI	Benchmarks
GPT-5.3 Instant	OpenAI	Mar 3, 2026Exact day	OpenAI	Benchmarks
February 2026· 2 releases
GPT-5.3-Codex-Spark	OpenAI	Feb 12, 2026Exact day	OpenAI	Benchmarks
GPT-5.3-Codex	OpenAI	Feb 5, 2026Exact day	OpenAI	Benchmarks
December 2025· 2 releases
GPT-5.2-Codex	OpenAI	Dec 18, 2025Exact day	OpenAI	Benchmarks
GPT-5.2 family3 model variants	OpenAI	Dec 11, 2025Exact day	OpenAI	Benchmarks
November 2025· 2 releases
GPT-5.1-Codex-Max	OpenAI	Nov 19, 2025Exact day	OpenAI	Benchmarks
GPT-5.1	OpenAI	Nov 13, 2025Exact day	OpenAI	Benchmarks
August 2025· 2 releases
GPT-5 family	OpenAI	Aug 7, 2025Exact day	OpenAI
gpt-oss family	OpenAI	Aug 5, 2025Exact day	OpenAI
April 2025· 3 releases
o3	OpenAI	Apr 16, 2025Exact day	OpenAI	Benchmarks
o4-mini	OpenAI	Apr 16, 2025Exact day	OpenAI
GPT-4.1 family3 model variants	OpenAI	Apr 14, 2025Exact day	OpenAI	Benchmarks
January 2025· 1 release
o3-mini	OpenAI	Jan 31, 2025Exact day	OpenAI	Benchmarks
December 2024· 1 release
o1 family	OpenAI	December 2024Month precision	OpenAI	Benchmarks
September 2024· 1 release
o1-preview	OpenAI	Sep 12, 2024Exact day	OpenAI	Benchmarks
July 2024· 1 release
GPT-4o mini	OpenAI	Jul 18, 2024Exact day	OpenAI	Benchmarks
May 2024· 1 release
GPT-4o	OpenAI	May 13, 2024Exact day	OpenAI	Benchmarks
November 2023· 1 release
GPT-4 Turbo	OpenAI	Nov 6, 2023Exact day	OpenAI	Benchmarks

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