AI API Proxy Local Setup 2026

Using multiple APIs like OpenAI, Claude, and DeepSeek at the same time, managing API keys and switching between models can be a hassle. This guide shows you how to set up a unified API proxy.

💡 What You Will Learn

Using multiple APIs like OpenAI, Claude, and DeepSeek at the same time, managing API keys and switching between models can be a hassle. This guide shows you how to set up a unified API proxy.

# 
client = OpenAI(
    api_key="your-key",
    base_url="http://localhost:8080/v1"  # 
)

# Installation/Setup
pip install litellm[proxy]

# Start
litellm --model gpt-4 --api_key sk-your-key

model_list:
  - model_name: gpt-4
    litellm_params:
      model: openai/gpt-4
      api_key: sk-xxx
  - model_name: claude-3
    litellm_params:
      model: anthropic/claude-3-sonnet
      api_key: sk-ant-xxx
  - model_name: deepseek
    litellm_params:
      model: openai/deepseek-chat
      api_key: sk-deepseek-xxx

Summary