1# Models1# All models
2 2
3> For the complete documentation index, see [llms.txt](/llms.txt). Markdown versions of documentation pages are available by appending `.md` to the page URL.3> For the complete documentation index, see [llms.txt](/llms.txt). Markdown versions of documentation pages are available by appending `.md` to the page URL.
4 4
5> Explore models available on the OpenAI API.5> Browse models and compare their capabilities.
6 6
7If you're not sure where to start, use [GPT-6 Astra](/api/docs/models/gpt-6-astra), our flagship model for complex reasoning and coding. Choose [GPT-5.6 Terra](/api/docs/models/gpt-5.6-terra) to balance intelligence and cost, or [GPT-5.6 Luna](/api/docs/models/gpt-5.6-luna) for cost-sensitive, high-volume workloads.7[Models](/api/docs/models.md) · [Compare models](/api/docs/models/compare.md)
8 8
9All latest OpenAI models support text and image input, text output, multilingual capabilities, and vision. Models are available via the [Responses API](/api/reference/resources/responses/methods/create) and our [Client SDKs](/api/docs/libraries).9## Flagship models
10 10
11## Featured models11Compare capabilities and specifications.
12 12
13- [GPT-6 Astra](/api/docs/models/gpt-6-astra.md): Start here for complex reasoning and coding.13- [GPT-6 Astra](/api/docs/models/gpt-6-astra.md): Our most capable model for the most demanding work.
14- [GPT-5.6 Terra](/api/docs/models/gpt-5.6-terra.md): Balance intelligence and cost.14- [GPT-6.1 Sol](/api/docs/models/gpt-6.1-sol.md): Near-Astra performance for complex work at a lower cost.
15- [GPT-5.6 Luna](/api/docs/models/gpt-5.6-luna.md): Optimize cost-sensitive, high-volume workloads.15- [GPT-6 Luna](/api/docs/models/gpt-6-luna.md): Our most efficient model for focused, high-volume tasks.
16
17## Browse our full catalog of models
18 16
19Diverse models for a variety of tasks17## Image
20 18
21See [how OpenAI uses your data](/api/docs/guides/your-data.md) and review [deprecated models](/api/docs/deprecations.md).19Models for image generation and editing.
22 20
23- [babbage-002](/api/docs/models/babbage-002.md): Replacement for the GPT-3 ada and babbage base models
24- [Chat Latest](/api/docs/models/chat-latest.md): Latest Instant model used in ChatGPT
25- [ChatGPT-4o](/api/docs/models/chatgpt-4o-latest.md): GPT-4o model used in ChatGPT
26- [chatgpt-image-latest](/api/docs/models/chatgpt-image-latest.md): Previous image model used in ChatGPT.
27- [codex-mini-latest](/api/docs/models/codex-mini-latest.md): Fast reasoning model optimized for the Codex CLI
28- [computer-use-preview](/api/docs/models/computer-use-preview.md): Specialized model for computer use tool
29- [davinci-002](/api/docs/models/davinci-002.md): Replacement for the GPT-3 curie and davinci base models
30- [Daybreak Blue](/api/docs/models/gpt-daybreak-blue-latest.md): An alias for flagship general-purpose models with safeguards for defensive cybersecurity work.
31- [Daybreak Red](/api/docs/models/gpt-daybreak-red-latest.md): An alias for advanced cybersecurity models for authorized vulnerability research and security testing.
32- [GPT-3.5 Turbo](/api/docs/models/gpt-3.5-turbo.md): Legacy GPT model for cheaper chat and non-chat tasks
33- [GPT-4](/api/docs/models/gpt-4.md): An older high-intelligence GPT model
34- [GPT-4 Turbo](/api/docs/models/gpt-4-turbo.md): An older high-intelligence GPT model
35- [GPT-4 Turbo Preview](/api/docs/models/gpt-4-turbo-preview.md): An older fast GPT model
36- [GPT-4.1](/api/docs/models/gpt-4.1.md): Smartest non-reasoning model
37- [GPT-4.1 Mini](/api/docs/models/gpt-4.1-mini.md): Smaller, faster version of GPT-4.1
38- [GPT-4.1 nano](/api/docs/models/gpt-4.1-nano.md): Fastest, most cost-efficient version of GPT-4.1
39- [GPT-4.5 Preview](/api/docs/models/gpt-4.5-preview.md): Deprecated large model.
40- [GPT-4o](/api/docs/models/gpt-4o.md): Fast, intelligent, flexible GPT model
41- [GPT-4o Audio](/api/docs/models/gpt-4o-audio-preview.md): GPT-4o models capable of audio inputs and outputs
42- [GPT-4o Mini](/api/docs/models/gpt-4o-mini.md): Fast, affordable small model for focused tasks
43- [GPT-4o Mini Audio](/api/docs/models/gpt-4o-mini-audio-preview.md): Smaller model capable of audio inputs and outputs
44- [GPT-4o Mini Realtime](/api/docs/models/gpt-4o-mini-realtime-preview.md): Smaller realtime model for text and audio inputs and outputs
45- [GPT-4o Mini Search Preview](/api/docs/models/gpt-4o-mini-search-preview.md): Fast, affordable small model for web search
46- [GPT-4o Mini Transcribe](/api/docs/models/gpt-4o-mini-transcribe.md): Speech-to-text model powered by GPT-4o Mini
47- [GPT-4o Mini TTS](/api/docs/models/gpt-4o-mini-tts.md): Text-to-speech model powered by GPT-4o Mini
48- [GPT-4o Realtime](/api/docs/models/gpt-4o-realtime-preview.md): Model capable of realtime text and audio inputs and outputs
49- [GPT-4o Search Preview](/api/docs/models/gpt-4o-search-preview.md): GPT model for web search in Chat Completions
50- [GPT-4o Transcribe](/api/docs/models/gpt-4o-transcribe.md): Speech-to-text model powered by GPT-4o
51- [GPT-4o Transcribe Diarize](/api/docs/models/gpt-4o-transcribe-diarize.md): Transcription model that identifies who's speaking when
52- [GPT-5](/api/docs/models/gpt-5.md): Previous intelligent reasoning model for coding and agentic tasks with configurable reasoning effort
53- [GPT-5 Chat](/api/docs/models/gpt-5-chat-latest.md): GPT-5 model used in ChatGPT
54- [GPT-5 Mini](/api/docs/models/gpt-5-mini.md): Strong intelligence for cost sensitive, low latency, high volume workloads
55- [GPT-5 nano](/api/docs/models/gpt-5-nano.md): Fastest, most cost-efficient version of GPT-5
56- [GPT-5 Pro](/api/docs/models/gpt-5-pro.md): Version of GPT-5 that produces smarter and more precise responses
57- [GPT-5-Codex](/api/docs/models/gpt-5-codex.md): A version of GPT-5 optimized for agentic coding in Codex
58- [GPT-5.1](/api/docs/models/gpt-5.1.md): The best model for coding and agentic tasks with configurable reasoning effort
59- [GPT-5.1 Chat](/api/docs/models/gpt-5.1-chat-latest.md): GPT-5.1 model used in ChatGPT
60- [GPT-5.1-Codex](/api/docs/models/gpt-5.1-codex.md): A version of GPT-5.1 optimized for agentic coding in Codex.
61- [GPT-5.1-Codex Mini](/api/docs/models/gpt-5.1-codex-mini.md): Smaller, more cost-effective, less-capable version of GPT-5.1-Codex
62- [GPT-5.1-Codex-Max](/api/docs/models/gpt-5.1-codex-max.md): A version of GPT-5.1-codex optimized for long running tasks.
63- [GPT-5.2](/api/docs/models/gpt-5.2.md): Previous flagship model for professional work with configurable reasoning effort
64- [GPT-5.2 Chat](/api/docs/models/gpt-5.2-chat-latest.md): GPT-5.2 model used in ChatGPT
65- [GPT-5.2 Pro](/api/docs/models/gpt-5.2-pro.md): Previous pro model for professional work that produces smarter and more precise responses.
66- [GPT-5.2-Codex](/api/docs/models/gpt-5.2-codex.md): Our most intelligent coding model optimized for long-horizon, agentic coding tasks.
67- [GPT-5.3 Chat](/api/docs/models/gpt-5.3-chat-latest.md): GPT-5.3 Instant model used in ChatGPT
68- [GPT-5.3-Codex](/api/docs/models/gpt-5.3-codex.md): The most capable agentic coding model to date.
69- [GPT-5.4](/api/docs/models/gpt-5.4.md): A more affordable model for coding and professional work.
70- [GPT-5.4 Mini](/api/docs/models/gpt-5.4-mini.md): Our strongest mini model yet for coding, computer use, and subagents
71- [GPT-5.4 nano](/api/docs/models/gpt-5.4-nano.md): Our cheapest GPT-5.4-class model for simple high-volume tasks
72- [GPT-5.4 Pro](/api/docs/models/gpt-5.4-pro.md): Version of GPT-5.4 that produces smarter and more precise responses.
73- [GPT-5.5](/api/docs/models/gpt-5.5.md): A new class of intelligence for coding and professional work.
74- [GPT-5.5 Pro](/api/docs/models/gpt-5.5-pro.md): Version of GPT-5.5 that produces smarter and more precise responses.
75- [GPT-5.6 Cyber](/api/docs/models/gpt-5.6-cyber.md): Our most advanced cybersecurity model for authorized vulnerability research and security testing.
76- [GPT-5.6 Luna](/api/docs/models/gpt-5.6-luna.md): GPT-5.6 model optimized for cost-sensitive workloads
77- [GPT-5.6 Sol](/api/docs/models/gpt-5.6-sol.md): Flagship model for complex professional work
78- [GPT-5.6 Terra](/api/docs/models/gpt-5.6-terra.md): GPT-5.6 model that balances intelligence and cost
79- [GPT-6 Astra](/api/docs/models/gpt-6-astra.md): Our most capable model, built for the hardest end-to-end work
80- [GPT-6 Luna](/api/docs/models/gpt-6-luna.md): Our most efficient model for focused, high-volume tasks.
81- [GPT-6 Sol](/api/docs/models/gpt-6-sol.md): Built to power complex coding and agentic workflows.
82- [GPT-Audio](/api/docs/models/gpt-audio.md): For audio inputs and outputs with Chat Completions API
83- [GPT-Audio Mini](/api/docs/models/gpt-audio-mini.md): A cost-efficient version of GPT Audio
84- [GPT-Audio-1.5](/api/docs/models/gpt-audio-1.5.md): The best voice model for audio in, audio out with Chat Completions.
85- [GPT-Image-1](/api/docs/models/gpt-image-1.md): Our previous image generation model
86- [GPT-Image-1 Mini](/api/docs/models/gpt-image-1-mini.md): A cost-efficient version of GPT Image 1
87- [GPT-Image-1.5](/api/docs/models/gpt-image-1.5.md): Our previous image generation model
88- [GPT-Image-2](/api/docs/models/gpt-image-2.md): State-of-the-art image generation model
89- [GPT-Image-2.5 Flare](/api/docs/models/gpt-image-2.5-flare.md): Fast, high-quality everyday image generation
90- [GPT-Image-2.5 Sunburst](/api/docs/models/gpt-image-2.5-sunburst.md): Our most capable model for image generation and editing21- [GPT-Image-2.5 Sunburst](/api/docs/models/gpt-image-2.5-sunburst.md): Our most capable model for image generation and editing
22- [GPT-Image-2.5 Flare](/api/docs/models/gpt-image-2.5-flare.md): Fast, high-quality everyday image generation
23- [GPT-Image-2](/api/docs/models/gpt-image-2.md): State-of-the-art image generation model
24
25## Realtime & audio
26
27Models for realtime, speech, and audio workflows.
28
91- [GPT-Live 1](/api/docs/models/gpt-live-1.md): Our premier model for natural, expressive voice conversations with smooth interruption handling.29- [GPT-Live 1](/api/docs/models/gpt-live-1.md): Our premier model for natural, expressive voice conversations with smooth interruption handling.
92- [GPT-Live-Transcribe](/api/docs/models/gpt-live-transcribe.md): Low-latency speech-to-text model for realtime transcription
93- [gpt-oss-120b](/api/docs/models/gpt-oss-120b.md): Most powerful open-weight model, fits into an H100 GPU
94- [gpt-oss-20b](/api/docs/models/gpt-oss-20b.md): Medium-sized open-weight model for low latency
95- [GPT-Realtime](/api/docs/models/gpt-realtime.md): Model capable of realtime text and audio inputs and outputs
96- [GPT-Realtime Mini](/api/docs/models/gpt-realtime-mini.md): A cost-efficient version of GPT-Realtime
97- [GPT-Realtime-1.5](/api/docs/models/gpt-realtime-1.5.md): The best voice model for audio in, audio out
98- [GPT-Realtime-2](/api/docs/models/gpt-realtime-2.md): Reasoning model with tool use
99- [GPT-Realtime-2.1](/api/docs/models/gpt-realtime-2.1.md): Reasoning model with tool use30- [GPT-Realtime-2.1](/api/docs/models/gpt-realtime-2.1.md): Reasoning model with tool use
100- [GPT-Realtime-2.1 Mini](/api/docs/models/gpt-realtime-2.1-mini.md): Reasoning model with tool use31- [GPT-Realtime-2.1 Mini](/api/docs/models/gpt-realtime-2.1-mini.md): Reasoning model with tool use
32- [GPT-Realtime-2](/api/docs/models/gpt-realtime-2.md): Reasoning model with tool use
101- [GPT-Realtime-Translate](/api/docs/models/gpt-realtime-translate.md): Streaming speech-to-speech translation model33- [GPT-Realtime-Translate](/api/docs/models/gpt-realtime-translate.md): Streaming speech-to-speech translation model
34- [GPT-Live-Transcribe](/api/docs/models/gpt-live-transcribe.md): Low-latency speech-to-text model for realtime transcription
102- [GPT-Realtime-Whisper](/api/docs/models/gpt-realtime-whisper.md): Streaming speech-to-text model for realtime transcription35- [GPT-Realtime-Whisper](/api/docs/models/gpt-realtime-whisper.md): Streaming speech-to-text model for realtime transcription
36- [GPT-Realtime-1.5](/api/docs/models/gpt-realtime-1.5.md): The best voice model for audio in, audio out
37- [GPT-Audio-1.5](/api/docs/models/gpt-audio-1.5.md): The best voice model for audio in, audio out with Chat Completions.
103- [GPT-Transcribe](/api/docs/models/gpt-transcribe.md): High-accuracy speech-to-text model for file and Realtime input transcription38- [GPT-Transcribe](/api/docs/models/gpt-transcribe.md): High-accuracy speech-to-text model for file and Realtime input transcription
104- [o1](/api/docs/models/o1.md): Previous full o-series reasoning model39- [GPT-4o Transcribe](/api/docs/models/gpt-4o-transcribe.md): Speech-to-text model powered by GPT-4o
105- [o1 Preview](/api/docs/models/o1-preview.md): Preview of our first o-series reasoning model40- [GPT-4o Mini Transcribe](/api/docs/models/gpt-4o-mini-transcribe.md): Speech-to-text model powered by GPT-4o Mini
106- [o1-mini](/api/docs/models/o1-mini.md): A small model alternative to o141- [GPT-4o Transcribe Diarize](/api/docs/models/gpt-4o-transcribe-diarize.md): Transcription model that identifies who's speaking when
107- [o1-pro](/api/docs/models/o1-pro.md): Version of o1 with more compute for better responses
108- [o3](/api/docs/models/o3.md): Reasoning model for complex tasks, succeeded by GPT-5
109- [o3-deep-research](/api/docs/models/o3-deep-research.md): Our most powerful deep research model
110- [o3-mini](/api/docs/models/o3-mini.md): A small model alternative to o3
111- [o3-pro](/api/docs/models/o3-pro.md): Version of o3 with more compute for better responses
112- [o4-mini](/api/docs/models/o4-mini.md): Fast, cost-efficient reasoning model, succeeded by GPT-5 Mini
113- [o4-mini-deep-research](/api/docs/models/o4-mini-deep-research.md): Faster, more affordable deep research model
114- [omni-moderation](/api/docs/models/omni-moderation-latest.md): Identify potentially harmful content in text and images
115- [text-embedding-3-large](/api/docs/models/text-embedding-3-large.md): Most capable embedding model
116- [text-embedding-3-small](/api/docs/models/text-embedding-3-small.md): Small embedding model
117- [text-embedding-ada-002](/api/docs/models/text-embedding-ada-002.md): Older embedding model
118- [text-moderation](/api/docs/models/text-moderation-latest.md): Previous generation text-only moderation model
119- [text-moderation-stable](/api/docs/models/text-moderation-stable.md): Previous generation text-only moderation model
120- [TTS-1](/api/docs/models/tts-1.md): Text-to-speech model optimized for speed42- [TTS-1](/api/docs/models/tts-1.md): Text-to-speech model optimized for speed
121- [TTS-1 HD](/api/docs/models/tts-1-hd.md): Text-to-speech model optimized for quality43- [TTS-1 HD](/api/docs/models/tts-1-hd.md): Text-to-speech model optimized for quality
122- [Whisper](/api/docs/models/whisper-1.md): General-purpose speech recognition model44- [Whisper](/api/docs/models/whisper-1.md): General-purpose speech recognition model
45- [GPT-4o Mini TTS](/api/docs/models/gpt-4o-mini-tts.md): Text-to-speech model powered by GPT-4o Mini
46
47## OpenAI Daybreak
48
49Advanced cyber models for defenders
50
51- [GPT-5.6 Cyber](/api/docs/models/gpt-5.6-cyber.md): Our most advanced cybersecurity model for authorized vulnerability research and security testing.
52- [Daybreak Red](/api/docs/models/gpt-daybreak-red-latest.md): An alias for advanced cybersecurity models for authorized vulnerability research and security testing.
53- [Daybreak Blue](/api/docs/models/gpt-daybreak-blue-latest.md): An alias for flagship general-purpose models with safeguards for defensive cybersecurity work.
54
55## Life sciences
56
57Models for life sciences research
58
123- [GPT-Rosalind](/api/docs/pricing#specialized-models): Life sciences reasoning for approved organizations. Model ID: `gpt-rosalind-research`.59- [GPT-Rosalind](/api/docs/pricing#specialized-models): Life sciences reasoning for approved organizations. Model ID: `gpt-rosalind-research`.
60
61## Open-weight models
62
63Open-weight models under a permissive Apache 2.0 license.
64
65- [gpt-oss-120b](/api/docs/models/gpt-oss-120b.md): Most powerful open-weight model, fits into an H100 GPU
66- [gpt-oss-20b](/api/docs/models/gpt-oss-20b.md): Medium-sized open-weight model for low latency
67
68## Embedding models
69
70Models for embedding text into vector representations.
71
72- [text-embedding-3-large](/api/docs/models/text-embedding-3-large.md): Most capable embedding model
73- [text-embedding-3-small](/api/docs/models/text-embedding-3-small.md): Small embedding model
74- [text-embedding-ada-002](/api/docs/models/text-embedding-ada-002.md): Older embedding model
75
76## More models
77
78Diverse models for a variety of tasks.
79
80- [GPT-6 Sol](/api/docs/models/gpt-6-sol.md): Built to power complex coding and agentic workflows.
81- [GPT-5.6 Sol](/api/docs/models/gpt-5.6-sol.md): GPT-5.6 flagship model for complex professional work
82- [GPT-5.6 Terra](/api/docs/models/gpt-5.6-terra.md): GPT-5.6 model that balances intelligence and cost
83- [GPT-5.6 Luna](/api/docs/models/gpt-5.6-luna.md): GPT-5.6 model optimized for cost-sensitive workloads
84- [GPT-5.5](/api/docs/models/gpt-5.5.md): A new class of intelligence for coding and professional work.
85- [GPT-5.5 Pro](/api/docs/models/gpt-5.5-pro.md): Version of GPT-5.5 that produces smarter and more precise responses.
86- [GPT-5.4](/api/docs/models/gpt-5.4.md): A more affordable model for coding and professional work.
87- [GPT-5.4 Pro](/api/docs/models/gpt-5.4-pro.md): Version of GPT-5.4 that produces smarter and more precise responses.
88- [GPT-5.4 Mini](/api/docs/models/gpt-5.4-mini.md): Our strongest mini model yet for coding, computer use, and subagents
89- [GPT-5.4 nano](/api/docs/models/gpt-5.4-nano.md): Our cheapest GPT-5.4-class model for simple high-volume tasks
90- [GPT-5.3-Codex](/api/docs/models/gpt-5.3-codex.md): The most capable agentic coding model to date.
91- [GPT-5.2](/api/docs/models/gpt-5.2.md): Previous flagship model for professional work with configurable reasoning effort
92- [GPT-5.2 Pro](/api/docs/models/gpt-5.2-pro.md): Previous pro model for professional work that produces smarter and more precise responses.
93- [GPT-5.1](/api/docs/models/gpt-5.1.md): The best model for coding and agentic tasks with configurable reasoning effort
94- [GPT-5](/api/docs/models/gpt-5.md): Previous intelligent reasoning model for coding and agentic tasks with configurable reasoning effort
95- [GPT-5 Mini](/api/docs/models/gpt-5-mini.md): Strong intelligence for cost sensitive, low latency, high volume workloads
96- [GPT-5 nano](/api/docs/models/gpt-5-nano.md): Fastest, most cost-efficient version of GPT-5
97- [GPT-5 Pro](/api/docs/models/gpt-5-pro.md): Version of GPT-5 that produces smarter and more precise responses
98- [o3-pro](/api/docs/models/o3-pro.md): Version of o3 with more compute for better responses
99- [o3](/api/docs/models/o3.md): Reasoning model for complex tasks, succeeded by GPT-5
100- [GPT-4.1](/api/docs/models/gpt-4.1.md): Smartest non-reasoning model
101- [GPT-4.1 Mini](/api/docs/models/gpt-4.1-mini.md): Smaller, faster version of GPT-4.1
102- [omni-moderation](/api/docs/models/omni-moderation-latest.md): Identify potentially harmful content in text and images
103- [GPT-4o Mini](/api/docs/models/gpt-4o-mini.md): Fast, affordable small model for focused tasks
104- [GPT-4o](/api/docs/models/gpt-4o.md): Fast, intelligent, flexible GPT model
105- [GPT-Realtime](/api/docs/models/gpt-realtime.md): Deprecated. Model capable of realtime text and audio inputs and outputs
106- [GPT-Audio](/api/docs/models/gpt-audio.md): Deprecated. For audio inputs and outputs with Chat Completions API
107- [GPT-5.3 Chat](/api/docs/models/gpt-5.3-chat-latest.md): Deprecated. GPT-5.3 Instant model used in ChatGPT
108- [GPT-5.2 Chat](/api/docs/models/gpt-5.2-chat-latest.md): Deprecated. GPT-5.2 model used in ChatGPT
109- [GPT-5.2-Codex](/api/docs/models/gpt-5.2-codex.md): Deprecated. Our most intelligent coding model optimized for long-horizon, agentic coding tasks.
110- [GPT-Image-1.5](/api/docs/models/gpt-image-1.5.md): Deprecated. Our previous image generation model
111- [chatgpt-image-latest](/api/docs/models/chatgpt-image-latest.md): Deprecated. Previous image model used in ChatGPT.
112- [GPT-Image-1 Mini](/api/docs/models/gpt-image-1-mini.md): Deprecated. A cost-efficient version of GPT Image 1
113- [GPT-Image-1](/api/docs/models/gpt-image-1.md): Deprecated. Our previous image generation model
114- [o3-deep-research](/api/docs/models/o3-deep-research.md): Deprecated. Our most powerful deep research model
115- [o4-mini-deep-research](/api/docs/models/o4-mini-deep-research.md): Deprecated. Faster, more affordable deep research model
116- [GPT-4.1 nano](/api/docs/models/gpt-4.1-nano.md): Deprecated. Fastest, most cost-efficient version of GPT-4.1
117- [o4-mini](/api/docs/models/o4-mini.md): Deprecated. Fast, cost-efficient reasoning model, succeeded by GPT-5 Mini
118- [o1-pro](/api/docs/models/o1-pro.md): Deprecated. Version of o1 with more compute for better responses
119- [computer-use-preview](/api/docs/models/computer-use-preview.md): Deprecated. Specialized model for computer use tool
120- [GPT-Realtime Mini](/api/docs/models/gpt-realtime-mini.md): Deprecated. A cost-efficient version of GPT-Realtime
121- [GPT-Audio Mini](/api/docs/models/gpt-audio-mini.md): Deprecated. A cost-efficient version of GPT Audio
122- [GPT-4o Mini Search Preview](/api/docs/models/gpt-4o-mini-search-preview.md): Deprecated. Fast, affordable small model for web search
123- [GPT-4o Search Preview](/api/docs/models/gpt-4o-search-preview.md): Deprecated. GPT model for web search in Chat Completions
124- [GPT-4.5 Preview](/api/docs/models/gpt-4.5-preview.md): Deprecated. Deprecated large model.
125- [o3-mini](/api/docs/models/o3-mini.md): Deprecated. A small model alternative to o3
126- [o1](/api/docs/models/o1.md): Deprecated. Previous full o-series reasoning model
127- [o1-mini](/api/docs/models/o1-mini.md): Deprecated. A small model alternative to o1
128- [o1 Preview](/api/docs/models/o1-preview.md): Deprecated. Preview of our first o-series reasoning model
129- [GPT-4o Audio](/api/docs/models/gpt-4o-audio-preview.md): Deprecated. GPT-4o models capable of audio inputs and outputs
130- [GPT-4o Mini Audio](/api/docs/models/gpt-4o-mini-audio-preview.md): Deprecated. Smaller model capable of audio inputs and outputs
131- [GPT-4o Mini Realtime](/api/docs/models/gpt-4o-mini-realtime-preview.md): Deprecated. Smaller realtime model for text and audio inputs and outputs
132- [GPT-4o Realtime](/api/docs/models/gpt-4o-realtime-preview.md): Deprecated. Model capable of realtime text and audio inputs and outputs
133- [GPT-4 Turbo](/api/docs/models/gpt-4-turbo.md): Deprecated. An older high-intelligence GPT model
134- [babbage-002](/api/docs/models/babbage-002.md): Deprecated. Replacement for the GPT-3 ada and babbage base models
135- [ChatGPT-4o](/api/docs/models/chatgpt-4o-latest.md): Deprecated. GPT-4o model used in ChatGPT
136- [GPT-5.1-Codex](/api/docs/models/gpt-5.1-codex.md): Deprecated. A version of GPT-5.1 optimized for agentic coding in Codex.
137- [GPT-5.1-Codex-Max](/api/docs/models/gpt-5.1-codex-max.md): Deprecated. A version of GPT-5.1-codex optimized for long running tasks.
138- [GPT-5.1-Codex Mini](/api/docs/models/gpt-5.1-codex-mini.md): Deprecated. Smaller, more cost-effective, less-capable version of GPT-5.1-Codex
139- [GPT-5-Codex](/api/docs/models/gpt-5-codex.md): Deprecated. A version of GPT-5 optimized for agentic coding in Codex
140- [codex-mini-latest](/api/docs/models/codex-mini-latest.md): Deprecated. Fast reasoning model optimized for the Codex CLI
141- [davinci-002](/api/docs/models/davinci-002.md): Deprecated. Replacement for the GPT-3 curie and davinci base models
142- [GPT-3.5 Turbo](/api/docs/models/gpt-3.5-turbo.md): Deprecated. Legacy GPT model for cheaper chat and non-chat tasks
143- [GPT-4](/api/docs/models/gpt-4.md): Deprecated. An older high-intelligence GPT model
144- [GPT-4 Turbo Preview](/api/docs/models/gpt-4-turbo-preview.md): Deprecated. An older fast GPT model
145- [GPT-5.1 Chat](/api/docs/models/gpt-5.1-chat-latest.md): Deprecated. GPT-5.1 model used in ChatGPT
146- [GPT-5 Chat](/api/docs/models/gpt-5-chat-latest.md): Deprecated. GPT-5 model used in ChatGPT
147- [text-moderation](/api/docs/models/text-moderation-latest.md): Deprecated. Previous generation text-only moderation model
148- [text-moderation-stable](/api/docs/models/text-moderation-stable.md): Deprecated. Previous generation text-only moderation model
149
150## ChatGPT models
151
152Models used in ChatGPT, not recommended for API use.
153
154- [Chat Latest](/api/docs/models/chat-latest.md): Latest Instant model used in ChatGPT
155
156[How we use your data](/api/docs/guides/your-data.md) · [Deprecated models](/api/docs/deprecations.md)
