deep-research-pro-preview-12-2025

reasoningproprietary
Context
1.0M
Max output
66K

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Provider Google Vertex AI
Creator Google AI
Familydeep-research
Licenseproprietary
Statusactive
Typereasoning
Input modalitiestext, image, video, audio
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output66K tokens
Reasoning tokens—
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Generate ContentPOST
Generate text from multimodal inputhttps://us-central1-aiplatform.googleapis.com/v1beta/models/{model}:generateContent
Stream ContentPOST
Stream text generation responseshttps://us-central1-aiplatform.googleapis.com/v1beta/models/{model}:streamGenerateContent

Family Comparison: deep-research

ModelContextMax out
deep-research-max-preview-04-20261.0M66K
deep-research-preview-04-20261.0M66K
deep-research-pro-preview-12-20251.0M66K

API

GET/v1/models/vertex/deep-research-pro-preview-12-2025