o3-deep-research
o3-deep-research
Version: 2025-06-26
OpenAILast updated December 2025
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.
Reasoning
Multilingual
Agents

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Key capabilities

About this model

o3-deep-research model: Powering agentic capability to create comprehensive reports like a research analyst.

Key model capabilities

  • Handles text, images and PDFs as part of its web-based research tasks
  • 200K context length and 100K completion tokens
  • Outputs its thinking as reasoning summary as it searches and synthesizes information
  • Delivers a detailed research report at the end of the request session

Use cases

See Responsible AI for additional considerations for responsible use.

Key use cases

  • Automate web-scale research using a best-in-class research model grounded with Bing Search, with every insight traceable and source-backed.
  • Programmatically build agents that can be invoked by apps, workflows, or other agents—turning deep research into a reusable, production-ready service.
  • Orchestrate complex workflows: Compose Deep Research agents with other Foundry Agent Service connectors to automate reporting, notifications, and more.
  • Ensure enterprise governance: With Microsoft Foundry, customers get full control and transparency over how research is run and used.

Out of scope use cases

o3-deep-research model does not include all the features available in other models.

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

Handles text, images and PDFs as part of its web-based research tasks

Output formats

The provider has not supplied this information.

Supported languages

The provider has not supplied this information.

Sample JSON response

The provider has not supplied this information.

Model architecture

The provider has not supplied this information.

Long context

200K context length and 100K completion tokens

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

This model is provided through the Azure OpenAI Service.

More information

The following documents are applicable: 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 .

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

o3-deep-research model does not include all the features available in other models.

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 Length200000
LicenseCustom
Training DataMay 2024
Last UpdatedDecember 2025
Input TypeText,Image
Output TypeText
ProviderOpenAI
Languages27 Languages