LangChain Rate Limits

Overview

Implement robust rate limiting and retry strategies for LangChain applications to handle API quotas gracefully.

Prerequisites

• LangChain installed with LLM provider
• Understanding of provider rate limits
• tenacity package for advanced retry logic

Instructions

Step 1: Understand Provider Limits

# Common rate limits by provider:
RATE_LIMITS = {
    "openai": {
        "gpt-4o": {"rpm": 10000, "tpm": 800000},  # 800000: 10000: 10 seconds in ms
        "gpt-4o-mini": {"rpm": 10000, "tpm": 4000000},  # 4000000: 10 seconds in ms
    },