OpenAI
OpenAIMicrosoft-hosted OpenAI models, including gpt-5.1 and Codex, offering enterprise-grade security and compliance.

Overview

OpenAI aims to create "safe and beneficial" artificial general intelligence, defined as highly autonomous systems that outperform humans at most economically valuable work. The organization leads today's AI with some of the world's most advanced multimodal foundation models, including gpt‑5.1, and continues to compress state‑of‑the‑art performance into smaller, less expensive variants like gpt-5.1-mini. The latest gpt-4o-transcribe-diarize model performs speech tasks, while gpt-image-1 incorporates native image generation and editing.

Key OpenAI Models (November 2025)

  • gpt‑5.1 – Best‑in‑class reasoning, code, audio & vision in one API.
  • gpt‑5-mini – Small‑footprint model at a lower cost.
  • gpt-4o-transcribe-diarize – Upgraded speech models with lower error rates and customizable voices.
  • gpt‑image‑1 – Next‑gen text‑to‑image + in‑painting that supersedes DALL·E 3.
  • gpt-5.1-codex – Designed for steerability, front end development, and interactivity.
  • Sora-2 – Creative powerhouse seamlessly integrated into a platform built for innovation, trust, and scale.

Why OpenAI on Azure

All OpenAI endpoints inherit enterprise‑grade Content Safety, flexible serverless or provisioned‑throughput deployments, Azure billing, and private‑network inference so you can move from prototype to production in days, not months.
Total Models: 79
gpt-realtime-translate
gpt-realtime-translate

Gpt‑realtime‑translate is a low‑latency streaming model that converts spoken audio into translated output in real time, enabling live cross‑language communication within voice applications.

speech-translation
gpt-realtime-whisper
gpt-realtime-whisper

A new STT (speech to text) model with realtime capability.

automatic-speech-recognition
gpt-realtime-2
gpt-realtime-2

Gpt‑realtime‑2 is a next‑generation speech‑to‑speech reasoning model that processes live audio input and generates audio responses with built‑in reasoning, enabling low‑latency conversational voice interactions.

audio-generation
gpt-chat-latest
gpt-chat-latest

gpt-chat-latest (preview) is an advanced, natural, multimodal, and context-aware conversations for enterprise applications.

chat-completion
responses
gpt-image-2
gpt-image-2

An efficient AI solution for diverse text and image tasks, including high quality, and editing scenarios

text-to-image
image-to-image
gpt-5.4-nano
gpt-5.4-nano

GPT‑5.4‑nano is a lightweight, ultra‑efficient model designed for low‑latency, cost‑effective tasks at massive scale.

chat-completion
responses
gpt-5.4-mini
gpt-5.4-mini

GPT‑5.4‑mini is a compact, cost‑efficient model designed for reliable performance across high‑volume, everyday AI workloads.

chat-completion
responses
gpt-5.4-pro
gpt-5.4-pro

GPT‑5.4-Pro is OpenAI’s most capable frontier model, built to deliver faster, more reliable results for complex professional work.

chat-completion
responses
gpt-5.4
gpt-5.4

GPT‑5.4 is OpenAI’s most capable frontier model, built to deliver faster, more reliable results for complex professional work.

chat-completion
responses
gpt-5.3-codex
gpt-5.3-codex

gpt-5.3-codex is designed for steerability, front end development, and interactivity.

responses
gpt-5.3-chat
gpt-5.3-chat

gpt-5.3-chat (preview) is an advanced, natural, multimodal, and context-aware conversations for enterprise applications.

chat-completion
responses
gpt-audio-1.5
gpt-audio-1.5

A new S2S (speech to speech) model with improved instruction following.

audio-generation
gpt-realtime-1.5
gpt-realtime-1.5

A new S2S (speech to speech) model with improved instruction following.

audio-generation
gpt-5.2-chat
gpt-5.2-chat

gpt-5.2-chat (preview) is an advanced, natural, multimodal, and context-aware conversations for enterprise applications.

chat-completion
responses
gpt-5.2-codex
gpt-5.2-codex

gpt-5.2-codex is designed for steerability, front end development, and interactivity.

responses
gpt-5.2
gpt-5.2

GPT-5.2 is engineered for enterprise agent scenarios—delivering structured, auditable outputs, reliable tool use, and governed integrations.

chat-completion
responses
gpt-5.1-codex-max
gpt-5.1-codex-max

gpt-5.1-codex-max is agentic coding model designed to streamline complex development workflows with advanced efficiency

responses
gpt-5.1
gpt-5.1

gpt-5.1 is designed for logic-heavy and multi-step tasks.

chat-completion
responses
gpt-5.1-codex
gpt-5.1-codex

gpt-5.1-codex is designed for steerability, front end development, and interactivity.

responses
gpt-5-chat
gpt-5-chat

gpt-5-chat (preview) is an advanced, natural, multimodal, and context-aware conversations for enterprise applications.

chat-completion
responses
sora-2
sora-2

Sora 2 in Azure AI Foundry isn't just another video generation tool; it's a creative powerhouse, seamlessly integrated into a platform built for innovation, trust, and scale.

video-generation
gpt-5.1-chat
gpt-5.1-chat

gpt-5.1-chat (preview) is an advanced, natural, multimodal, and context-aware conversations for enterprise applications.

chat-completion
responses
gpt-5.1-codex-mini
gpt-5.1-codex-mini

gpt-5.1-codex-mini is designed for steerability, front end development, and interactivity.

responses
gpt-5-pro
gpt-5-pro

gpt-5-pro uses more compute to think harder and provide consistently better answers.

chat-completion
responses
gpt-5
gpt-5

gpt-5 is designed for logic-heavy and multi-step tasks.

chat-completion
responses
gpt-4.1
gpt-4.1

gpt-4.1 outperforms gpt-4o across the board, with major gains in coding, instruction following, and long-context understanding

chat-completion
responses
gpt-4.1-mini
gpt-4.1-mini

gpt-4.1-mini outperform gpt-4o-mini across the board, with major gains in coding, instruction following, and long-context handling

chat-completion
responses
gpt-4o-transcribe-diarize
gpt-4o-transcribe-diarize

A cutting-edge speech-to-text solution that deliverables reliable and accurate transcripts; now equipped with diarization support aka identifying different speakers through the transcription.

speech-to-text
gpt-5-codex
gpt-5-codex

gpt-5-codex is designed for steerability, front end development, and interactivity.

chat-completion
responses
o3
o3

o3 includes significant improvements on quality and safety while supporting the existing features of o1 and delivering comparable or better performance.

chat-completion
responses
gpt-realtime-mini
gpt-realtime-mini

gpt-realtime-mini is a smaller version of gpt-realtime S2S (speech to speech) model built on chive architecture. This model excels at instruction following and is optimized for cost efficiency.

audio-generation
gpt-5-nano
gpt-5-nano

gpt-5-nano is optimized for speed, ideal for applications requiring low latency.

chat-completion
responses
gpt-5-mini
gpt-5-mini

gpt-5-mini is a lightweight version for cost-sensitive applications.

chat-completion
responses
o4-mini
o4-mini

o4-mini includes significant improvements on quality and safety while supporting the existing features of o3-mini and delivering comparable or better performance.

chat-completion
responses
gpt-4.1-nano
gpt-4.1-nano

gpt-4.1-nano provides gains in coding, instruction following, and long-context handling along with lower latency and cost

chat-completion
responses
o3-mini
o3-mini

o3-mini includes the o1 features with significant cost-efficiencies for scenarios requiring high performance.

chat-completion
responses
gpt-audio-mini
gpt-audio-mini

Best suited for rich, asynchronous audio input/output interactions, such as creating spoken summaries from text.

audio-generation
gpt-oss-120B
gpt-oss-120B

Push the open model frontier with GPT-OSS models, released under the permissive Apache 2.0 license, allowing anyone to use, modify, and deploy them freely.

chat-completion
gpt-realtime
gpt-realtime

A new S2S (speech to speech) model with improved instruction following.

audio-generation
gpt-audio
gpt-audio

Best suited for rich, asynchronous audio input/output interactions, such as creating spoken summaries from text.

audio-generation
o3-deep-research
o3-deep-research

The o3 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide consistently better answers.

data-generation
codex-mini
codex-mini

codex-mini is a fine-tuned variant of the o4-mini model, designed to deliver rapid, instruction-following performance for developers working in CLI workflows. Whether you're automating shell commands, editing scripts, or refactoring repositories, Codex-Min

responses
gpt-4.5-preview
gpt-4.5-preview

the largest and strongest general purpose model in the gpt model family up to date, best suited for diverse text and image tasks.

chat-completion
responses
gpt-oss-safeguard-120b
gpt-oss-safeguard-120b

Push the open safety model frontier with gpt-oss-safeguard models, released under the permissive Apache 2.0 license, allowing anyone to use, modify, and deploy them freely.

chat-completion
gpt-oss-safeguard-20b
gpt-oss-safeguard-20b

Push the open safety model frontier with gpt-oss-safeguard models, released under the permissive Apache 2.0 license, allowing anyone to use, modify, and deploy them freely.

chat-completion
gpt-oss-20b
gpt-oss-20b

Push the open model frontier with GPT-OSS models, released under the permissive Apache 2.0 license, allowing anyone to use, modify, and deploy them freely.

chat-completion
o3-pro
o3-pro

The o3 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide consistently better answers.

chat-completion
responses
sora
sora

An efficient AI solution to generate videos

video-generation
gpt-image-1
gpt-image-1

An efficient AI solution for diverse text and image tasks, including text to image, image to image, inpainting, and prompt transformation.

text-to-image
image-to-image
gpt-4o-mini-tts
gpt-4o-mini-tts

An advanced text-to-speech solution designed to convert written text into natural-sounding speech.

text-to-speech
gpt-4o-transcribe
gpt-4o-transcribe

A cutting-edge speech-to-text solution that deliverables reliable and accurate transcripts.

speech-to-text
1