Organization
Model explorer

OpenAI

49 tracked models · 19 families: GPT-6.1 · GPT-6 · GPT-5.6 · GPT-5.5 · GPT-5.4 · GPT-5.2 · GPT-5.1 · GPT-5 · gpt-oss · o3 · o4 · GPT-4.1 · GPT-4.5 · o1 · GPT-4o · GPT-4 · GPT-3.5 · Codex · GPT-3
ReleasedModelParamsCtxElo
Sep 2026GPT-6.1 SolCLOSED—1.05M3125.4Sep 2026GPT-6 LunaCLOSED—1.05M2529.5Sep 2026GPT-6 SolCLOSED—1.05M2848.0Sep 2026GPT-6 AstraCLOSED—1.05M3012.7Aug 2026GPT-5.6 CyberCLOSED—400K—Jul 2026GPT-5.6 LunaCLOSED—1.05M2534.3Jul 2026GPT-5.6 SolCLOSED—1.05M2829.1Jul 2026GPT-5.6 TerraCLOSED—1.05M2638.6Apr 2026GPT-5.5CLOSED—1.05M2589.8Apr 2026GPT-5.5 (High)CLOSED—1.05M2533.9Apr 2026GPT-5.5 (xHigh)CLOSED—1.05M2608.5Mar 2026GPT-5.4 miniCLOSED—400K2029.3Mar 2026GPT-5.4 nanoCLOSED—400K1888.8Mar 2026GPT-5.4CLOSED—1.05M2419.4Mar 2026GPT-5.4 ProCLOSED—1.05M2716.4Dec 2025GPT-5.2CLOSED—400K2426.4Nov 2025GPT-5.1CLOSED—400K2177.9Sep 2025GPT-5-CodexCLOSED—400K2066.9Aug 2025GPT-5CLOSED—400K2035.7Aug 2025GPT-5 miniCLOSED—400K1804.4Aug 2025GPT-5 nanoCLOSED—400K1545.3Aug 2025GPT-5 ProCLOSED—400K2290.5Aug 2025gpt-oss-120b (High)OPEN117B·5.1Ba128K1797.3Aug 2025gpt-oss-120b (Low)OPEN117B·5.1Ba128K1251.9Aug 2025gpt-oss-120b (Medium)OPEN117B·5.1Ba128K1493.6Aug 2025gpt-oss-20b (High)OPEN21B·3.6Ba128K1487.8Aug 2025gpt-oss-20b (Low)OPEN21B·3.6Ba128K1000.3Aug 2025gpt-oss-20b (Medium)OPEN21B·3.6Ba128K1300.5Jun 2025OpenAI o3-proCLOSED—200K2040.1Apr 2025OpenAI o3CLOSED—200K1855.1Apr 2025OpenAI o4-miniCLOSED—200K1810.3Apr 2025GPT-4.1CLOSED—1M1397.9Apr 2025GPT-4.1 miniCLOSED—1M1216.1Apr 2025GPT-4.1 nanoCLOSED—1M811.5Feb 2025GPT-4.5CLOSED—128K1404.0Jan 2025OpenAI o3-mini (High)CLOSED—200K1582.7Jan 2025OpenAI o3-mini (Low)CLOSED—200K1269.8Jan 2025OpenAI o3-mini (Medium)CLOSED—200K1423.3Dec 2024OpenAI o1CLOSED—200K1527.5Dec 2024OpenAI o1-proCLOSED—200K1638.0Sep 2024OpenAI o1-miniCLOSED—128K1187.2Sep 2024OpenAI o1-previewCLOSED—128K1318.6Jul 2024GPT-4o miniCLOSED—128K898.7May 2024GPT-4oCLOSED—128K1172.3Nov 2023GPT-4 TurboCLOSED—128K1056.0Mar 2023GPT-4CLOSED—8K940.6Mar 2023GPT-3.5 TurboCLOSED—16K387.2Aug 2021OpenAI CodexCLOSED12B4K-84.0Jun 2020GPT-3 175BCLOSED175B2K69.9
Release cadence
Tracked releases per quarter
1
'20 Q2
1
'21 Q3
2
'23 Q1
1
'23 Q4
1
'24 Q2
3
'24 Q3
2
'24 Q4
4
'25 Q1
6
'25 Q2
11
'25 Q3
2
'25 Q4
4
'26 Q1
3
'26 Q2
8
'26 Q3