gemini-3.1-pro-preview

deprecated
Context
1.0M
Max output
66K
Capabilities
vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch
Details
Provider Google Vertex AI
Creator Google
Familygemini-3.1
Statusdeprecated
Input modalitiestext, image, video, audio
Output modalitiestext, image
Knowledge cutoff2025-01
Release date—
Deprecation date2026-02-19
Type—
Reasoning tokens—
Max input—
Sourceofficial
Last updated2026-03-21
Tools
Function Callingfunction_calling
Call external functions and APIs
Endpoints
generateContentPOST
https://us-central1-aiplatform.googleapis.com/generateContent
streamGenerateContentPOST
https://us-central1-aiplatform.googleapis.com/streamGenerateContent
gemini-3.1 family
ModelContextMax outInputOutput
gemini-3.1-flash-image-previewRVTS
131K33K——
gemini-3.1-flash-lite-previewRVTS
1.0M66K——
gemini-3.1-pro-previewRVTS
1.0M66K——
API
GET/v1/models/vertex/gemini-3.1-pro-preview