All models
Browse models and compare their capabilities.
Flagship models
Compare capabilities and specifications.
Realtime & audio
Models for realtime, speech, and audio workflows.
GPT-Live 1
Our premier model for natural, expressive voice conversations with smooth interruption handling.
GPT-Realtime-2.1
Reasoning model with tool use
GPT-Realtime-2.1 Mini
Reasoning model with tool use
GPT-Realtime-2
Reasoning model with tool use
GPT-Realtime-Translate
Streaming speech-to-speech translation model
GPT-Live-Transcribe
Low-latency speech-to-text model for realtime transcription
GPT-Realtime-Whisper
Streaming speech-to-text model for realtime transcription
GPT-Realtime-1.5
The best voice model for audio in, audio out
GPT-Audio-1.5
The best voice model for audio in, audio out with Chat Completions.
GPT-Transcribe
High-accuracy speech-to-text model for file and Realtime input transcription
GPT-4o Transcribe
Speech-to-text model powered by GPT-4o
GPT-4o Mini Transcribe
Speech-to-text model powered by GPT-4o Mini
GPT-4o Transcribe Diarize
Transcription model that identifies who's speaking when
Whisper
General-purpose speech recognition model
GPT-4o Mini TTS
Text-to-speech model powered by GPT-4o Mini
OpenAI Daybreak
Advanced cyber models for defenders
Life sciences
Models for life sciences research
Open-weight models
Open-weight models under a permissive Apache 2.0 license.
Embedding models
Models for embedding text into vector representations.
More models
Diverse models for a variety of tasks.
GPT-6 Sol
Built to power complex coding and agentic workflows.
GPT-5.6 Sol
GPT-5.6 flagship model for complex professional work
GPT-5.6 Terra
GPT-5.6 model that balances intelligence and cost
GPT-5.6 Luna
GPT-5.6 model optimized for cost-sensitive workloads
GPT-5.5
A new class of intelligence for coding and professional work.
GPT-5.5 Pro
Version of GPT-5.5 that produces smarter and more precise responses.
GPT-5.4
A more affordable model for coding and professional work.
GPT-5.4 Pro
Version of GPT-5.4 that produces smarter and more precise responses.
GPT-5.4 Mini
Our strongest mini model yet for coding, computer use, and subagents
GPT-5.2
Previous flagship model for professional work with configurable reasoning effort
GPT-5.2 Pro
Previous pro model for professional work that produces smarter and more precise responses.
GPT-5
Previous intelligent reasoning model for coding and agentic tasks with configurable reasoning effort
GPT-5 Mini
Strong intelligence for cost sensitive, low latency, high volume workloads
GPT-5 nano
Fastest, most cost-efficient version of GPT-5
GPT-5 Pro
Version of GPT-5 that produces smarter and more precise responses
o3-pro
Version of o3 with more compute for better responses
o3
Reasoning model for complex tasks, succeeded by GPT-5
GPT-4.1
Smartest non-reasoning model
GPT-4.1 Mini
Smaller, faster version of GPT-4.1
omni-moderation
Identify potentially harmful content in text and images
GPT-4o Mini
Fast, affordable small model for focused tasks
GPT-4o
Fast, intelligent, flexible GPT model
Daybreak Red
Deprecated
An alias for advanced cybersecurity models for authorized vulnerability research and security testing.
Daybreak Blue
Deprecated
An alias for flagship general-purpose models with safeguards for defensive cybersecurity work.
GPT-5.4 nano
Deprecated
Our cheapest GPT-5.4-class model for simple high-volume tasks
GPT-5.3-Codex
Deprecated
The most capable agentic coding model to date.
GPT-5.1
Deprecated
The best model for coding and agentic tasks with configurable reasoning effort
GPT-Realtime
Deprecated
Model capable of realtime text and audio inputs and outputs
GPT-Audio
Deprecated
For audio inputs and outputs with Chat Completions API
TTS-1
Deprecated
Text-to-speech model optimized for speed
TTS-1 HD
Deprecated
Text-to-speech model optimized for quality
GPT-5.3 Chat
Deprecated
GPT-5.3 Instant model used in ChatGPT
GPT-5.2 Chat
Deprecated
GPT-5.2 model used in ChatGPT
GPT-5.2-Codex
Deprecated
Our most intelligent coding model optimized for long-horizon, agentic coding tasks.
GPT-Image-1.5
Deprecated
Our previous image generation model
chatgpt-image-latest
Deprecated
Previous image model used in ChatGPT.
GPT-Image-1 Mini
Deprecated
A cost-efficient version of GPT Image 1
GPT-Image-1
Deprecated
Our previous image generation model
o3-deep-research
Deprecated
Our most powerful deep research model
o4-mini-deep-research
Deprecated
Faster, more affordable deep research model
GPT-4.1 nano
Deprecated
Fastest, most cost-efficient version of GPT-4.1
o4-mini
Deprecated
Fast, cost-efficient reasoning model, succeeded by GPT-5 Mini
o1-pro
Deprecated
Version of o1 with more compute for better responses
computer-use-preview
Deprecated
Specialized model for computer use tool
GPT-Realtime Mini
Deprecated
A cost-efficient version of GPT-Realtime
GPT-Audio Mini
Deprecated
A cost-efficient version of GPT Audio
GPT-4o Mini Search Preview
Deprecated
Fast, affordable small model for web search
GPT-4o Search Preview
Deprecated
GPT model for web search in Chat Completions
GPT-4.5 Preview
Deprecated
Deprecated large model.
o3-mini
Deprecated
A small model alternative to o3
o1
Deprecated
Previous full o-series reasoning model
o1-mini
Deprecated
A small model alternative to o1
o1 Preview
Deprecated
Preview of our first o-series reasoning model
GPT-4o Audio
Deprecated
GPT-4o models capable of audio inputs and outputs
GPT-4o Mini Audio
Deprecated
Smaller model capable of audio inputs and outputs
GPT-4o Mini Realtime
Deprecated
Smaller realtime model for text and audio inputs and outputs
GPT-4o Realtime
Deprecated
Model capable of realtime text and audio inputs and outputs
GPT-4 Turbo
Deprecated
An older high-intelligence GPT model
babbage-002
Deprecated
Replacement for the GPT-3 ada and babbage base models
ChatGPT-4o
Deprecated
GPT-4o model used in ChatGPT
GPT-5.1-Codex
Deprecated
A version of GPT-5.1 optimized for agentic coding in Codex.
GPT-5.1-Codex-Max
Deprecated
A version of GPT-5.1-codex optimized for long running tasks.
GPT-5.1-Codex Mini
Deprecated
Smaller, more cost-effective, less-capable version of GPT-5.1-Codex
GPT-5-Codex
Deprecated
A version of GPT-5 optimized for agentic coding in Codex
codex-mini-latest
Deprecated
Fast reasoning model optimized for the Codex CLI
davinci-002
Deprecated
Replacement for the GPT-3 curie and davinci base models
GPT-3.5 Turbo
Deprecated
Legacy GPT model for cheaper chat and non-chat tasks
GPT-4
Deprecated
An older high-intelligence GPT model
GPT-4 Turbo Preview
Deprecated
An older fast GPT model
GPT-5.1 Chat
Deprecated
GPT-5.1 model used in ChatGPT
GPT-5 Chat
Deprecated
GPT-5 model used in ChatGPT
text-moderation
Deprecated
Previous generation text-only moderation model
text-moderation-stable
Deprecated
Previous generation text-only moderation model
ChatGPT models
Models used in ChatGPT, not recommended for API use.