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OpenAI: AI models, benchmarks & research

Leading AI research company

ProprietaryMultimodalImage generationVideo generationSpeech
#1reasoning#1safety#1science#1spatial reasoning#1general#1grounding
Model
GPT-6 AstraMultimodalNew
GPT-5.6 CyberMultimodalNew
GPT-5.6 LunaMultimodal
GPT-5.6 SolMultimodal
GPT-5.6 TerraMultimodal
GPT-5.5 InstantMultimodal
GPT-5.5Multimodal
GPT-5.5 ProMultimodal
GPT Image 2Image
GPT-5.4 miniMultimodal
GPT-5.4 nanoMultimodal
GPT-5.4Multimodal
GPT-5.3 ChatMultimodal
GPT-5.3 CodexMultimodal
GPT-5.2 CodexMultimodal
GPT Image 1.5Image
GPT-5.2Multimodal
GPT-5.2 ProMultimodal
GPT-5.1 CodexMultimodal
GPT-5.1Multimodal
GPT-5.1 Codex HighMultimodal
GPT-5.1 Codex MiniMultimodal
GPT-5.1 HighMultimodal
GPT-5.1 InstantMultimodal
GPT-5.1 MediumMultimodal
GPT-5.1 ThinkingMultimodal
GPT-5 Codex
GPT-5Multimodal
GPT-5 HighMultimodal
GPT-5 MediumMultimodal
GPT-5 miniMultimodal
GPT-5 nanoMultimodal
GPT OSS 120B
GPT OSS 120B High
GPT OSS 20B
GPT OSS 20B High
o3-proMultimodal
o3Multimodal
o4-miniMultimodal
GPT-4.1Multimodal
GPT-4.1 miniMultimodal
GPT-4.1 nanoMultimodal
GPT-4.5Multimodal
o3-mini
GPT Image 1Image
GPT Image 1 MiniImage
o1
o1-proMultimodal
Whisper Large V3Transcription
Whisper Large V3 TurboTranscription
o1-mini
o1-preview
Sora 2Video
Sora 2 ProVideo
TTS-1Speech
TTS-1 HDSpeech
GPT-4oMultimodal
GPT-4o miniMultimodal
ChatGPT-4o LatestMultimodal
GPT-4oMultimodal
GPT-4 Turbo
GPT-4Multimodal
GPT-3.5 Turbo
Whisper V1Transcription
At a glance

OpenAImodels, benchmarks & research

Key facts about OpenAI's portfolio of 64 AI models — sourced from public benchmarks, provider APIs, and model releases.

Models
64 models across 0 families
Portfolio
53 language, 4 image, 2 video, 2 text-to-speech, 3 speech-to-text models
Licensing
6 open-weight, 58 proprietary
Benchmarks
Evaluated on 135 benchmarks
Cheapest model
GPT OSS 20B at $0.03 per 1M input tokens
Active since
Shipping models since March 2023, latest release September 2026

FAQ

Common questions about OpenAI.

What is OpenAI?

OpenAI is an AI research organization that develops large language models and other AI systems. They have released 64 models across 0 model families.

How many AI models has OpenAI released?

OpenAI has released 64 AI models tracked on LLM Stats. See the Models tab for the full catalog with technical specifications, benchmark scores, and pricing.

Does OpenAI release open-weight models?

Yes. 6 of OpenAI's 64 models are released under open-weight licenses, while 58 are proprietary. Check the Models tab for per-model license details.

How do OpenAI's models perform on benchmarks?

OpenAI's models have been evaluated on 135 benchmarks. Their top-performing model is GPT-5.2 on AIME 2025 with a score of 1.0. See the Benchmarks tab for the full breakdown.

What does it cost to use OpenAI's models?

OpenAI's most affordable model is GPT OSS 20B with input pricing from $0.03 per 1M tokens via commercial API providers. 35 of their models have public pricing. See the Pricing tab for the full comparison.

When did OpenAI start releasing AI models?

OpenAI has been releasing AI models since March 2023. Their latest release was in September 2026. See the Timeline tab for the full release history.

How can I use OpenAI's models?

Visit https://openai.com for official documentation and API access. Many of OpenAI's models are also available through third-party API providers — check the Pricing tab to compare pricing across providers.