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Vertex

DeepSeek V3.1 API

Vertex
About

Build advanced reasoning agents with DeepSeek V3.1, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.60/1M input and $1.70/1M output tokens, native tool calling support, open weights architecture. Access DeepSeek V3.1 via the Vertex API with up to 33K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
164K

Tokens

Input Limit
164K

Tokens

Max Output
33K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.60
Output
$1.70
Frequently Asked Questions

DeepSeek V3.1 by Vertex costs $0.60 per 1M input tokens and $1.70 per 1M output tokens.

Model Details
ID
deepseek-ai/deepseek-v3.1-maas
Provider
Vertex
Family
deepseek
Release Date
Aug 28, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/google-vertex
Environment Variables
GOOGLE_VERTEX_PROJECT
GOOGLE_VERTEX_LOCATION
GOOGLE_APPLICATION_CREDENTIALS
Documentation