prices synced 2026-07-28

o3 Deep Research

OpenAI · Multimodal · Released Oct 2025

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o3 Deep Research is OpenAI's specialized model designed for in-depth research and complex analysis tasks with extended reasoning capabilities.

Strengths
Excels at multi-step reasoning, synthesis of complex information, and thorough investigative analysis across domains.
Best for
Research-heavy workloads, literature reviews, comparative analysis, and tasks requiring extended chains of thought.
Limitations
Optimized for research depth rather than speed; o4 Mini Deep Research offers a faster alternative for similar research tasks.

Input / 1M

$10.00

Output / 1M

$40.00

Cached input / 1M

$2.50

Context window

200K

Price history

Price per 1M tokens over timeOutput $40.00; Input $10.00 as of Jun 2026.$0$10.00$20.00$30.00$40.00Output on 11 Jun 2026: $40.00Out $40.00Input on 11 Jun 2026: $10.00In $10.00Jun 2026

Snapshots

Effective Input Output Cached in Note Source
11 Jun 2026 $10.00 $40.00 $2.50 Imported from OpenRouter openrouter.ai

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