AI costs can spiral from hundreds to hundreds of thousands of dollars per month faster than most teams anticipate—Stripe's AI features reportedly cost over $1M monthly in API calls alone. The difference between a profitable AI product and a money pit often comes down to thoughtful cost management strategies implemented from day one.
123456789101112interface RoutingDecision { model: string; reason: string; estimatedCost: number; } class AIModelRouter { private complexityThresholds = { simple: { maxTokens: 500, keywords: ['classify', 'extract', 'yes/no'] }, medium: { maxTokens: 2000, keywords: ['summarize', 'explain', 'describe'] }, complex: { keywords: ['analyze', 'reason', 'create', 'code'] } };
123456789101112import hashlib import json import numpy as np from openai import OpenAI import redis from typing import Optional, Tuple class SemanticCache: def __init__(self, similarity_threshold: float = 0.93): self.client = OpenAI() self.redis = redis.Redis(host='localhost', port=6379, decode_responses=True) self.threshold = similarity_threshold