o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks.
Note: This model always uses the 'web_search' tool which adds additional cost.
Developer
OpenAI
Release Date
October 10, 2025
Context Window
200,000 tokens≈ 267 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$10.00per million tokens
Output Cost
$40.00per million tokens
SHARE MODEL:
Vetted Benchmarks
No recorded benchmark scores available for this model.
How does this model compare?
Evaluate benchmark standing and performance rankings vs all other tracked models.