AI provider

OpenAI

OpenAI is an AI research and product company founded in 2015. It develops ChatGPT, the GPT model families and tools for developers. Sam Altman is its CEO. The nonprofit OpenAI Foundation controls the commercial business, OpenAI Group PBC.

Models & tools

  • A lower-cost model for focused tasks at high volume.

    Launch date not confirmedAPI
  • GPT-5.6 Luna targets repeated tasks with low token costs.

    Launch date not confirmedAPI
  • A model for coding, tool use and complex professional tasks.

    Launch date not confirmedAPI
  • A model for visual reasoning, screen interaction and writing with optional reasoning.

    Launch date not confirmedAPI
  • A reasoning model for complex problems and extended coding tasks.

    Launch date not confirmedAPI
  • gpt-oss-120b is a downloadable text reasoning model with 117 billion total parameters and about 5.1 billion active parameters.

    Launch date not confirmedDownloadable
  • GPT-5.6 Sol is the main professional-work model in the GPT-5.6 family.

    Launch date not confirmedAPI
  • GPT-6 Sol is a coding and agent model that remains available alongside GPT-6.1 Sol.

    Launch date not confirmedAPI
  • GPT-4o Mini is a deprecated small model for focused text and image tasks.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • A mid-tier GPT-5.6 model for visual understanding with configurable reasoning.

    Launch date not confirmedAPI
  • text-embedding-3-small

    OpenAI · OpenAI embeddings

    text-embedding-3-small provides text vectors for search and relatedness tasks.

    Launch date not confirmedAPI
  • A downloadable text reasoning model with 21 billion total parameters and about 3.6 billion active parameters.

    Launch date not confirmedDownloadable
  • GPT-5 Mini is a deprecated smaller reasoning release for defined tasks.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • A deprecated compact GPT-4.1 model for instruction following and tool calls without a separate reasoning stage.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.4 nano is a deprecated model for small, repeated tasks such as classification, extraction and ranking.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.4 Mini targets frequent coding, computer interaction and delegated tasks.

    Launch date not confirmedAPI
  • GPT-5.4

    OpenAI · GPT-5.4

    GPT-5.4 is an available coding and professional-work model with a March 2026 snapshot.

    Launch date not confirmedAPI
  • GPT-4.1

    OpenAI · GPT-4.1

    GPT-4.1 is a deprecated non-reasoning model for instructions, tools and long inputs.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.2

    OpenAI · GPT-5.2

    GPT-5.2 is an earlier professional-work release that remains available in the catalog.

    Launch date not confirmedAPI
  • GPT-5.5

    OpenAI · GPT-5.5

    GPT-5.5 supports demanding coding and professional tasks through text and image input.

    Launch date not confirmedAPI
  • GPT-5 nano is a deprecated small model aimed at summarization and classification.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.1

    OpenAI · GPT-5.1

    GPT-5.1 is a deprecated coding and agent model with optional reasoning.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • text-embedding-3-large

    OpenAI · OpenAI embeddings

    text-embedding-3-large converts text into vectors for matching, retrieval and grouping.

    Launch date not confirmedAPI
  • GPT-4o

    OpenAI · GPT-4o

    GPT-4o is a deprecated general model with text and image input and text output.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.3-Codex

    OpenAI · GPT Codex

    GPT-5.3-Codex is a deprecated model specialized for coding agents.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5

    OpenAI · GPT-5

    GPT-5 is a deprecated general reasoning and coding release.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • gpt-oss-safeguard-20b

    OpenAI · gpt-oss-safeguard

    A downloadable 20B-class gpt-oss adaptation for policy-based text classification.

    Launch date not confirmedDownloadable
  • GPT Image 2.5 Sunburst is an image generation and editing model aimed at precise visual changes.

    Launch date not confirmedAPI
  • GPT-Image-2.5 Flare

    OpenAI · GPT Image 2.5

    GPT Image 2.5 Flare targets everyday image creation with short iteration cycles.

    Launch date not confirmedAPI
  • text-embedding-ada-002

    OpenAI · OpenAI embeddings

    text-embedding-ada-002 is an older text embedding model that remains in the public catalog.

    Launch date not confirmedAPI
  • GPT-Image-2

    OpenAI · GPT Image 2

    GPT Image 2 creates and edits images with flexible dimensions and detailed reference-image input.

    Launch date not confirmedAPI
  • o3

    OpenAI · o-series

    o3 is a deprecated reasoning model for multi-step work across text, code and images.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-4o Mini Transcribe

    OpenAI · GPT transcription

    GPT-4o Mini Transcribe is the smaller GPT-4o-based transcription release.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-Audio Mini is a deprecated lower-cost audio model for Chat Completions.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT Image 2.6 Sunburst creates and edits images for detailed visual compositions.

    Launch date not confirmedAPI
  • GPT-Image-2.6 Flare

    OpenAI · GPT Image 2.6

    GPT Image 2.6 Flare supports rapid image generation and editing.

    Launch date not confirmedAPI
  • GPT-Audio

    OpenAI · GPT Audio

    GPT-Audio is a deprecated audio model accessed through Chat Completions.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT Image 1 Mini is the lower-cost image release from the GPT Image 1 generation.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.5 Pro spends more computation on difficult reasoning tasks.

    Launch date not confirmedAPI
  • GPT-4o Transcribe

    OpenAI · GPT transcription

    GPT-4o Transcribe is a deprecated speech-recognition model based on GPT-4o.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.4 Pro is the higher-compute GPT-5.4 release for difficult problems.

    Launch date not confirmedAPI
  • A deprecated GPT-5 reasoning model that uses additional computation through the Responses API.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • o3-pro

    OpenAI · o-series

    A deprecated o3 model with additional computation for difficult reasoning problems.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • A higher-compute GPT-5.2 model accessed through the Responses API.

    Launch date not confirmedAPI
  • GPT-Realtime-2.1

    OpenAI · GPT Realtime

    GPT-Realtime-2.1 combines conversational audio with reasoning and tool use.

    Launch date not confirmedAPI
  • GPT-Transcribe

    OpenAI · GPT transcription

    GPT-Transcribe turns recorded speech into text.

    Launch date not confirmedAPI
  • Whisper

    OpenAI · Whisper

    A deprecated hosted Whisper model for multilingual speech recognition, translation and language identification.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • Chat Latest

    OpenAI · ChatGPT Instant

    Chat Latest is a moving alias for the Instant model used in ChatGPT.

    Launch date not confirmedAPI
  • chatgpt-image-latest is a deprecated alias for an image snapshot previously used in ChatGPT.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • Daybreak Blue

    OpenAI · OpenAI Daybreak

    Daybreak Blue is a deprecated alias for general-purpose models used in defensive security work.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • Daybreak Red

    OpenAI · OpenAI Daybreak

    Daybreak Red is a deprecated cybersecurity alias.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-4o Mini TTS

    OpenAI · OpenAI TTS

    GPT-4o Mini TTS is a deprecated speech-synthesis model built on GPT-4o Mini.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-4o Transcribe Diarize

    OpenAI · GPT transcription

    GPT-4o Transcribe Diarize adds speaker labels to speech transcription.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-5.6 Cyber

    OpenAI · GPT Cyber

    GPT-5.6 Cyber is a specialist cybersecurity alias for approved defenders.

    Launch date not confirmedRestricted accessAPI
  • GPT-6 Rosalind

    OpenAI · GPT-Rosalind

    GPT-6 Rosalind is a specialist life-sciences model released on 30 October 2026.

    Launch date not confirmedRestricted accessAPI
  • GPT-6-Cyber

    OpenAI · GPT Cyber

    GPT-6-Cyber supports vulnerability investigation and fix verification for approved security organizations.

    Launch date not confirmedRestricted accessAPI
  • GPT-Audio-1.5

    OpenAI · GPT Audio

    GPT-Audio-1.5 works with audio through Chat Completions.

    Launch date not confirmedAPI
  • GPT-Image-1.5

    OpenAI · GPT Image

    A deprecated image generation and editing model from the GPT Image 1 family.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-Live 1

    OpenAI · GPT Live

    GPT-Live 1 is a conversational voice model that can listen while it speaks.

    Launch date not confirmedAPI
  • GPT-Live-Transcribe

    OpenAI · GPT transcription

    GPT-Live-Transcribe produces incremental text from live audio.

    Launch date not confirmedAPI
  • gpt-oss-safeguard-120b

    OpenAI · gpt-oss-safeguard

    A downloadable 120B-class safety-reasoning model that classifies text against a supplied policy.

    Launch date not confirmedDownloadable
  • GPT-Realtime

    OpenAI · GPT Realtime

    OpenAI’s first generally available Realtime model for live voice interaction, now deprecated.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-Realtime Mini

    OpenAI · GPT Realtime

    A deprecated smaller Realtime model for live text and audio interaction.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • GPT-Realtime-1.5

    OpenAI · GPT Realtime

    GPT-Realtime-1.5 supports interactive voice agents with text, audio and image input.

    Launch date not confirmedAPI
  • GPT-Realtime-2

    OpenAI · GPT Realtime

    GPT-Realtime-2 is a speech-to-speech model with configurable reasoning and tools.

    Launch date not confirmedAPI
  • GPT-Realtime-2.1 Mini is a distilled voice-reasoning model for lower-cost interactive audio.

    Launch date not confirmedAPI
  • GPT-Realtime-Translate converts incoming speech into translated speech and text while the source audio is still arriving.

    Launch date not confirmedAPI
  • GPT-Realtime-Whisper

    OpenAI · GPT transcription

    GPT-Realtime-Whisper is a streaming transcription model for live speech.

    Launch date not confirmedAPI
  • A life-sciences model for approved internal research.

    Launch date not confirmedRestricted accessAPI
  • GPT-Rosalind Research is a life-sciences model made available through an approval program for internal research.

    Launch date not confirmedRestricted accessAPI
  • omni-moderation

    OpenAI · OpenAI moderation

    omni-moderation classifies potentially harmful text and images.

    Launch date not confirmedAPI
  • TTS-1

    OpenAI · OpenAI TTS

    TTS-1 converts written text into speech and was designed for low-delay delivery.

    Launch date not confirmedDeprecated API; check access detailsAPI
  • TTS-1 HD

    OpenAI · OpenAI TTS

    A deprecated text-to-speech model focused on audio quality.

    Launch date not confirmedDeprecated API; check access detailsAPI