gpt-5-codex
gpt-5-codex
Version: 2025-09-15
OpenAILast updated December 2025
gpt-5-codex is designed for steerability, front end development, and interactivity.
Multipurpose
Multilingual
Multimodal

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Key capabilities

About this model

This model is provided through the Azure OpenAI Service.

Key model capabilities

a. Multimodal reasoning: Accepts both text and image inputs—ideal for reasoning across code, UI states, architecture diagrams, and design comps in single workflow. b. Context-aware code reviews: Surfaces critical flows and quality issues with AI-powered insights into your development surfaces. c. Asynchronous execution: Supports long-running tasks with model-guided loops that retain state and context across interactions. d. Repo-aware intelligence: Understands full repositories, enabling cohesive refactors, test automation, and visual verification via screenshots. With these capabilities, developers can leverage gpt‑5‑codex for a wide range of intelligent, multimodal development tasks. For developers seeking smarter, safer, and more integrated AI assistance, this model offers a powerful new tool in your AI toolkit.

Use cases

See Responsible AI for additional considerations for responsible use.

Key use cases

The provider has not supplied this information.

Out of scope use cases

Prompts and completions are passed through a default configuration of Azure AI Content Safety classification models to detect and prevent the output of harmful content. Learn more about Azure AI Content Safety . Additional classification models and configuration options are available when you deploy an Azure OpenAI model in production; learn more .

Pricing

Pricing is based on a number of factors, including deployment type and tokens used. See pricing details here.

Technical specs

The provider has not supplied this information.

Training cut-off date

The provider has not supplied this information.

Training time

The provider has not supplied this information.

Input formats

Accepts both text and image inputs—ideal for reasoning across code, UI states, architecture diagrams, and design comps in single workflow.

Output formats

gpt‑5‑codex supports features such as streaming, function calling, structured outputs, and image input/output.

Supported languages

The provider has not supplied this information.

Sample JSON response

The provider has not supplied this information.

Model architecture

gpt-5-codex: This is the most advanced coding model in the gpt‑5 family.

Long context

The provider has not supplied this information.

Optimizing model performance

The provider has not supplied this information.

Additional assets

The provider has not supplied this information.

Training disclosure

Training, testing and validation

The provider has not supplied this information.

Distribution

Distribution channels

The provider has not supplied this information.

More information

The following documents are applicable:

Responsible AI considerations

Safety techniques

Prompts and completions are passed through a default configuration of Azure AI Content Safety classification models to detect and prevent the output of harmful content. Learn more about Azure AI Content Safety . Additional classification models and configuration options are available when you deploy an Azure OpenAI model in production; learn more .

Safety evaluations

The provider has not supplied this information.

Known limitations

The provider has not supplied this information.

Acceptable use

Acceptable use policy

The following documents are applicable:

Quality and performance evaluations

Source: OpenAI The provider has not supplied this information.

Benchmarking methodology

Source: OpenAI The provider has not supplied this information.

Public data summary

Source: OpenAI The provider has not supplied this information.
Model Specifications
Context Length272000
LicenseCustom
Training DataOctober 2024
Last UpdatedDecember 2025
Input TypeText,Image
Output TypeText
ProviderOpenAI
Languages1 Language