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o3 Deep Research

openai

o3 Deep Research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. This model always uses web search which adds additional cost.

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Capabilities

Image Input

PDF Input

Extended Thinking

Tool Use

Example Use Cases

Complex multi-step research tasks

Deep analysis requiring web search

Comprehensive research synthesis

Technical Specifications

Context Window

200,000 tokens

Max Output

100,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$10

Non-Reasoning Output

$40

Cache Read Input

$2.50

Tool Costs (per 1K calls)

Web Search

$15

Code Execution

$0.19

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus