DeepSeek

Access high-performance chat and advanced reasoning models with competitive pricing and full support for the DeepSeek R1 thought process.

Table of contents

  1. Configuration
  2. Specific Parameters
  3. Features
  4. Usage Details

The DeepSeek provider offers high-performance chat and reasoning models with competitive pricing. NodeLLM supports both the DeepSeek-V3 chat model and the DeepSeek-R1 reasoning model.

Configuration

import { createLLM } from "@node-llm/core";

const llm = createLLM({ 
  provider: "deepseek", 
  deepseekApiKey: process.env.DEEPSEEK_API_KEY // Optional if set in env 
});

Specific Parameters

You can pass DeepSeek-specific parameters using .withParams().

const chat = llm.chat("deepseek-chat").withParams({
  presence_penalty: 0.5,
  frequency_penalty: 0.5,
  top_p: 0.9
});

Features

  • Models:
    • deepseek-chat: Optimized for speed and proficiency in broad tasks (DeepSeek-V3).
    • deepseek-reasoner: Optimized for complex reasoning and problem solving (DeepSeek-R1).
  • Tools: Supported on deepseek-chat.
  • Reasoning: Access inner thought process text from deepseek-reasoner.
  • Streaming: Full streaming support for all models.
  • Structured Output: Supported via automated prompt engineering and json_object mode transitions.

Usage Details

DeepSeek provides OpenAI-compatible endpoints, but NodeLLM handles the specific capability differences (like reasoning vs tool support) automatically through its internal registry.