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OpenRouter

DeepSeek Chat API

OpenRouter
About

Process massive datasets with DeepSeek Chat, featuring an expansive 128K context window for long-document analysis. This model delivers cost-effective pricing at $0.20/1M input and $0.80/1M output tokens, native tool calling support, open weights architecture. Access DeepSeek Chat via the OpenRouter API with up to 16K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
128K

Tokens

Input Limit
128K

Tokens

Max Output
16K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.20
Output
$0.80
Frequently Asked Questions

DeepSeek Chat by OpenRouter costs $0.20 per 1M input tokens and $0.80 per 1M output tokens.

Model Details
ID
deepseek/deepseek-chat
Provider
OpenRouter
Family
deepseek
Release Date
Dec 1, 2025
Knowledge Cutoff
Sep 1, 2025
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1
Documentation