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o3-deep-research

OpenAIProprietaryPending Human Review

o3-deep-research is a distinct o3 specialization for multi-step information gathering and synthesis. It can search the web and use externally supplied data through MCP connectors, producing research reports with tool-derived evidence. The API release provided a programmatic counterpart to deep research workflows. Its specialized tool interface differs from general-purpose function-calling models.

2025-06-24
Unreleased
Undisclosed proprietary architecture
Proprietary

Specifications

Parameters
Unreleased
Architecture
Undisclosed proprietary architecture
License
Proprietary
Context Window
200,000 tokens
Max Output
100,000 tokens
Training Data Cutoff
Jun 01, 2024
Type
multimodal
Modalities
textimage

Benchmark Scores

Advanced Specifications

Model Family
o-series
API Access
Not Available
Chat Interface
Not Available
Variants
o3-deep-research-2025-06-26

Capabilities & Limitations

Capabilities
deep researchweb searchevidence synthesisMCP data access
Known Limitations
Can produce incorrect factual claims or code; important results require independent verification.This API identity was retired on July 23, 2026; preserved for historical coverage.
Notable Use Cases
research reportsliterature synthesisenterprise knowledge research
Function Calling Support
No
Tool Use Support
Yes

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