o3 Deep Research (by OpenAI)

Overview

Advanced research model with multi-step analysis and web search capabilities.

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Quick facts

• Modes: Text → Text · Image → Text · Video → Text

• Default output / size: Extended text responses (up to 180,000 tokens)

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What it's great for

• In-depth research requiring multiple sources.

• Comprehensive analysis with web search integration.

• Multi-source synthesis and fact-checking.

• Complex investigation and discovery tasks.

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Parameters

Control	Type	Default	Notes
Prompt	Text	—	Natural-language instruction (required)

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Modes

Mode	Estimated time	Required inputs	Typical use
Text → Text	~2 min	Prompt	Deep research & analysis
Image → Text	~2 min	Images, Prompt	Visual research with context
Video → Text	~2 min	Videos, Prompt	Video-based research

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Prompt tips

• Best for research tasks requiring thorough investigation.

• Model will search the web to gather comprehensive information.

• Ideal for synthesizing information from multiple sources.

• Allow extra time - deep research is computationally intensive.

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