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models/all.md 2026-11-11 23:57 UTC to 2026-11-12 22:57 UTC

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All models

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

Browse models and compare their capabilities.

Models · Compare models

Flagship models

Compare capabilities and specifications.

  • GPT-6 Astra: Our most capable model for the most demanding work.
  • GPT-6.1 Sol: Near-Astra performance for complex work at a lower cost.
  • GPT-6.1 Terra: A fast, efficient model for visual reasoning, precise computer use, and clear, natural writing.
  • GPT-6 Luna: Our most efficient model for focused, high-volume tasks.

Image

Models for image generation and editing.

Realtime & audio

Models for realtime, speech, and audio workflows.

OpenAI Daybreak

Advanced cyber models for defenders

  • GPT-6 Cyber: Investigate a vulnerability, reproduce it in an authorized test environment, or verify a fix.
  • GPT-5.6 Cyber: Cybersecurity model for authorized vulnerability research and security testing.

Life sciences

Models for life sciences research

  • GPT-Rosalind: Life sciences reasoning for approved organizations. Model ID: gpt-rosalind-research.

Open-weight models

Open-weight models under a permissive Apache 2.0 license.

  • gpt-oss-120b: Most powerful open-weight model, fits into an H100 GPU
  • gpt-oss-20b: Medium-sized open-weight model for low latency

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.
  • omni-moderation: Identify potentially harmful content in text and images

ChatGPT models

Models used in ChatGPT, not recommended for API use.

Deprecated models

Includes models that have already shut down.

  • GPT-Image-2: Deprecated. State-of-the-art image generation model
  • GPT Image 1.5: Deprecated. Our previous image generation model
  • chatgpt-image-latest: Deprecated. Previous image model used in ChatGPT.
  • GPT Image 1: Shut down. Retired image generation model
  • GPT Image 1 mini: Deprecated. A cost-efficient version of GPT Image 1
  • 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
  • GPT-4o Transcribe: Deprecated. Speech-to-text model powered by GPT-4o
  • GPT-4o Mini Transcribe: Deprecated. Speech-to-text model powered by GPT-4o mini
  • GPT-4o Transcribe Diarize: Deprecated. Transcription model that identifies who's speaking when
  • TTS-1: Deprecated. Text-to-speech model optimized for speed
  • TTS-1 HD: Deprecated. Text-to-speech model optimized for quality
  • Whisper: Deprecated. General-purpose speech recognition model
  • GPT-Realtime mini: Deprecated. A cost-efficient version of GPT-Realtime
  • GPT-Audio mini: Deprecated. A cost-efficient version of GPT Audio
  • GPT-4o Audio: Shut down. GPT-4o models capable of audio inputs and outputs
  • GPT-4o Mini Audio: Shut down. Smaller model capable of audio inputs and outputs
  • GPT-4o Realtime: Shut down. Model capable of realtime text and audio inputs and outputs
  • GPT-4o Mini Realtime: Shut down. Smaller realtime model for text and audio inputs and outputs
  • GPT-4o mini TTS: Deprecated. Text-to-speech model powered by GPT-4o mini
  • 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-5: Deprecated. Previous intelligent reasoning model for coding and agentic tasks with configurable reasoning effort
  • GPT-5 mini: Deprecated. Strong intelligence for cost sensitive, low latency, high volume workloads
  • GPT-5 nano: Deprecated. Fastest, most cost-efficient version of GPT-5
  • GPT-5 pro: Deprecated. Version of GPT-5 that produces smarter and more precise responses
  • o3-pro: Deprecated. Version of o3 with more compute for better responses
  • o3: Deprecated. Reasoning model for complex tasks, succeeded by GPT-5
  • GPT-4.1: Deprecated. Smartest non-reasoning model
  • GPT-4.1 mini: Deprecated. Smaller, faster version of GPT-4.1
  • GPT-4o mini: Deprecated. Fast, affordable small model for focused tasks
  • GPT-5.3 Chat: Shut down. GPT-5.3 Instant model used in ChatGPT
  • GPT-5.2 Chat: Shut down. GPT-5.2 model used in ChatGPT
  • GPT-5.2-Codex: Shut down. Our most intelligent coding model optimized for long-horizon, agentic coding tasks.
  • o3-deep-research: Shut down. Retired deep research model
  • o4-mini-deep-research: Shut down. Retired deep research model
  • GPT-4.1 nano: Shut down. Fastest, most cost-efficient version of GPT-4.1
  • o4-mini: Shut down. Fast, cost-efficient reasoning model, succeeded by GPT-5 mini
  • o1-pro: Shut down. Version of o1 with more compute for better responses
  • computer-use-preview: Shut down. Specialized model for computer use tool
  • GPT-4o mini search preview: Shut down. Fast, affordable small model for web search
  • GPT-4o search preview: Shut down. GPT model for web search in Chat Completions
  • GPT-4.5 Preview: Shut down. Deprecated large model.
  • o3-mini: Shut down. A small model alternative to o3
  • o1: Shut down. Previous full o-series reasoning model
  • o1-mini: Shut down. A small model alternative to o1
  • o1-preview: Shut down. Preview of our first o-series reasoning model
  • GPT-4o: Deprecated. Fast, intelligent, flexible GPT model
  • GPT-4 Turbo: Shut down. An older high-intelligence GPT model
  • babbage-002: Shut down. Replacement for the GPT-3 ada and babbage base models
  • ChatGPT-4o: Shut down. GPT-4o model used in ChatGPT
  • GPT-5.1-Codex: Shut down. A version of GPT-5.1 optimized for agentic coding in Codex.
  • GPT-5.1-Codex-Max: Shut down. A version of GPT-5.1-Codex optimized for long running tasks.
  • GPT-5.1-Codex-Mini: Shut down. Smaller, more cost-effective, less-capable version of GPT-5.1-Codex
  • GPT-5-Codex: Shut down. A version of GPT-5 optimized for agentic coding in Codex
  • codex-mini-latest: Shut down. Fast reasoning model optimized for the Codex CLI
  • davinci-002: Shut down. Replacement for the GPT-3 curie and davinci base models
  • GPT-3.5 Turbo: Shut down. Legacy GPT model for cheaper chat and non-chat tasks
  • GPT-4: Shut down. An older high-intelligence GPT model
  • GPT-4 Turbo preview: Shut down. An older fast GPT model
  • GPT-5.1 Chat: Shut down. GPT-5.1 model used in ChatGPT
  • GPT-5 Chat: Shut down. GPT-5 model used in ChatGPT
  • text-moderation: Shut down. Previous generation text-only moderation model
  • text-moderation-stable: Shut down. Previous generation text-only moderation model

How we use your data · Deprecated models