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Five or fewer confirmed AI changes, with original sources, on mornings when something changed.A free source-linked morning brief.

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BenchLM

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.

23 confirmed releases1 providersData through Aug 10, 2026How releases are confirmed

OpenAI release archive

23 confirmed releases · latest Aug 10, 2026

Provider dossier

Confirmed releases

ReleaseProviderConfirmedEvidenceBenchLM
August 2026· 1 release
GPT-5.6 Cyber (Daybreak Red)OpenAIExact dayOpenAI DaybreakBenchmarks
July 2026· 1 release
GPT-5.63 model variantsOpenAIExact dayOpenAI GPT-5.6Benchmarks
April 2026· 1 release
GPT-5.5 and GPT-5.5 Pro2 model variantsOpenAIExact dayOpenAIBenchmarks
March 2026· 3 releases
GPT-5.4 mini and nano2 model variantsOpenAIExact dayOpenAIBenchmarks
GPT-5.4 and GPT-5.4 Pro2 model variantsOpenAIExact dayOpenAIBenchmarks
GPT-5.3 InstantOpenAIExact dayOpenAIBenchmarks
February 2026· 2 releases
GPT-5.3-Codex-SparkOpenAIExact dayOpenAIBenchmarks
GPT-5.3-CodexOpenAIExact dayOpenAIBenchmarks
December 2025· 2 releases
GPT-5.2-CodexOpenAIExact dayOpenAIBenchmarks
GPT-5.2 family3 model variantsOpenAIExact dayOpenAIBenchmarks
November 2025· 2 releases
GPT-5.1-Codex-MaxOpenAIExact dayOpenAIBenchmarks
GPT-5.1OpenAIExact dayOpenAIBenchmarks
August 2025· 2 releases
GPT-5 familyOpenAIExact dayOpenAI
gpt-oss familyOpenAIExact dayOpenAI
April 2025· 3 releases
o3OpenAIExact dayOpenAIBenchmarks
o4-miniOpenAIExact dayOpenAI
GPT-4.1 family3 model variantsOpenAIExact dayOpenAIBenchmarks
January 2025· 1 release
o3-miniOpenAIExact dayOpenAIBenchmarks
December 2024· 1 release
o1 familyOpenAIMonth precisionOpenAIBenchmarks
September 2024· 1 release
o1-previewOpenAIExact dayOpenAIBenchmarks
July 2024· 1 release
GPT-4o miniOpenAIExact dayOpenAIBenchmarks
May 2024· 1 release
GPT-4oOpenAIExact dayOpenAIBenchmarks
November 2023· 1 release
GPT-4 TurboOpenAIExact dayOpenAIBenchmarks

OpenAI releases by month

All model updates