Organization
OpenAI
Tracked models
129
Frontier models
17
Largest training run
3.8 x 10^26 FLOP
129 tracked AI models list OpenAI as a developer. 17 of them are frontier models — among the largest training runs of their moment. The largest is GPT-4.5, at 3.8 x 10^26 FLOP (February 2025). The most recent tracked release is from July 2026.
Its most recently reported annualized revenue is $25B. It was last valued at $852B. It employs around 4,000 people.
Models (80+)
GPT-4.53.8 x 10^26 FLOPGPT-56.6 x 10^25 FLOPGPT-4 (Jun 2023)2.1 x 10^25 FLOPGPT-4 (Mar 2023)2.1 x 10^25 FLOPgpt-oss-120b4.9 x 10^24 FLOPGPT-3.5 (davinci-002)2.6 x 10^24 FLOPgpt-oss-20b5.5 x 10^23 FLOPDALL·E 23.4 x 10^23 FLOPInstructGPT 175B3.2 x 10^23 FLOPGPT-3 175B (davinci)3.1 x 10^23 FLOPWhisper v32.7 x 10^23 FLOPWhisper v21.1 x 10^23 FLOPCodex7.3 x 10^22 FLOPOpenAI Five6.7 x 10^22 FLOPGLIDE4.7 x 10^22 FLOPDALL-E4.7 x 10^22 FLOPiGPT-XL3.3 x 10^22 FLOPGPT-3 13B2.3 x 10^22 FLOPStatement Curriculum Learning1.8 x 10^22 FLOPOpenAI Five Rerun1.3 x 10^22 FLOPGPT3-6.7B + muP1.3 x 10^22 FLOPGPT-3 6.7B1.2 x 10^22 FLOPGPT3-6.7B (rerun of original)1.2 x 10^22 FLOPCLIP (ViT L/14@336px)10^22 FLOPiGPT-L8.9 x 10^21 FLOPADM6.2 x 10^21 FLOPGPT2-Large+LHOPT5 x 10^21 FLOPGPT-2 (774M)5 x 10^21 FLOPGPT-3 2.7B4.8 x 10^21 FLOPWhisper4.2 x 10^21 FLOPGPT-3 XL2.4 x 10^21 FLOPGPT-2 (355M)2.3 x 10^21 FLOPGPT-2 (1.5B)1.9 x 10^21 FLOPVery Deep VAEs (ImageNet-64)1.8 x 10^21 FLOPSparse Transformer (ImageNet)1.5 x 10^21 FLOPGPT-3 Large1.4 x 10^21 FLOPRubik's cube ADR robot8.5 x 10^20 FLOPGPT-2 (124M)7.9 x 10^20 FLOPGPT-3 Medium6.4 x 10^20 FLOPOpenAI TI7 DOTA 1v16 x 10^20 FLOPGPT-3 Small2.3 x 10^20 FLOPMuseNet2.2 x 10^20 FLOPDexterous In-Hand Manipulation [control policy]2.2 x 10^20 FLOPGPT-11.8 x 10^19 FLOPSparse Transformer (Enwik8)4.1 x 10^18 FLOPHide and Seek1.1 x 10^18 FLOPADAM (CIFAR-10)6.2 x 10^14 FLOPGPT-5.6 TerraJuly 2026GPT-5.6 LunaJuly 2026GPT-5.6 SolJuly 2026GPT-Realtime-2.1-MiniJuly 2026GPT-5.5April 2026GPT-5.5 ProApril 2026GPT Image 2April 2026GPT-5.4 MiniMarch 2026GPT-5.4 NanoMarch 2026GPT-5.4 ProMarch 2026GPT-5.4March 2026GPT-5.3 CodexFebruary 2026GPT-5.2 CodexDecember 2025GPT-5.2December 2025GPT-5.2 ProDecember 2025GPT-5.1-Codex-MaxNovember 2025GPT-5.1 InstantNovember 2025GPT-5.1November 2025GPT-5.1-Codex-miniNovember 2025GPT-5.1-CodexNovember 2025GPT-5 ProOctober 2025Sora 2.0September 2025GPT‑5-CodexSeptember 2025gpt-realtimeAugust 2025GPT-5 nanoAugust 2025GPT-5 miniAugust 2025ChatGPT agentJuly 2025o3-proJune 2025o3 OperatorMay 2025codex-1May 2025codex-miniMay 2025gpt-image-1April 2025o4-miniApril 2025
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
Other organizations
xAIMeta AIGoogle DeepMindNVIDIACursorAnthropicByteDanceMoonshotAlibabaHuaweiSaudi AramcoInflection AIBeijing Academy of Artificial Intelligence / BAAIDeepSeekReka AIAI SingaporeGoogleGoogle ResearchMicrosoftChina TelecomZ.ai (Zhipu AI)Xiaomi CorpETH ZurichEcole Polytechnique Federale de Lausanne (EPFL)