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Vercel AI Gateway

DeepSeek-V3.1 API

Vercel AI Gateway
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 $0.25/1M input and $0.95/1M output tokens, native tool calling support. Access DeepSeek-V3.1 via the Vercel AI Gateway API with up to 128K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
164K

Tokens

Input Limit
164K

Tokens

Max Output
128K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.25
Output
$0.95

Caching (per 1M tokens)

Read
$0.13
Frequently Asked Questions

DeepSeek-V3.1 by Vercel AI Gateway costs $0.25 per 1M input tokens and $0.95 per 1M output tokens. Cached reads cost $0.13 per 1M tokens.

Model Details
ID
deepseek/deepseek-v3.1
Provider
Vercel AI Gateway
Family
deepseek
Release Date
Aug 21, 2025
Knowledge Cutoff
Jul 1, 2024
API Integration
NPM Package
@ai-sdk/gateway
Environment Variables
AI_GATEWAY_API_KEY
Documentation