Lanza Estudio
AI & Bots

AI API Proxy with Semantic Cache: Slash Your OpenAI and Gemini Billing by 80%

Maria

Maria

Senior Engineer & AI Specialist

"I am Maria, Senior Engineer. I am obsessed with efficiency. I design AI architectures where latency and costs don't skyrocket as you scale."

Is your monthly Artificial Intelligence API budget spiraling out of control as you scale your B2B software?

When you integrate AI into your platform, you discover a silent bottleneck: your users or employees ask variations of the exact same question hundreds of times a day. Each direct query to the LLM processes thousands of context tokens from scratch, skyrocketing your billing costs and adding an unacceptable latency of 3 to 5 seconds per response. You are paying over and over again to process the exact same logic.

The trap of direct scaling in Large Language Models

Most developers connect their Front-End directly to the AI API, creating an absolute dependence on third-party servers. If you scale your platform without a smart middleware layer, you are burning cash on every duplicate prompt.

Our solution: AI API Gateway with Semantic Caching

At LANZAESTUDIO, we deploy a local reverse proxy based on semantic caching. We intercept the request on your server and convert it into a vector. If the user's search intent matches a historical query by more than 95%, we return the response from your database instantly. If it is a completely new request, we efficiently route it to optimized models like Gemini 2.5 Flash.

// B2B Logical Routing Example
$userQuery = $_POST['client_prompt'];
$embedding = generateVectorEmbedding($userQuery);
$cachedResponse = searchSemanticSimilarity($embedding, 0.95);

if ($cachedResponse) {
    return $cachedResponse; // 0 API cost, 10ms latency
} else {
    return processWithGemini25Flash($userQuery);
}
  1. Real-time vectorization: We transform the query into structured data within your own server before consuming external quota.
  2. Intent search (KNN): We don't look for exact keywords; we detect grammatical variations and synonyms to block redundant requests.
  3. Smart routing: We keep routine queries in your cache and send only complex logic to the API, optimizing the use of Gemini 2.5 Flash.
  4. Code sovereignty: This entire control architecture belongs to your company. No intermediary SaaS platforms or vendor lock-in.

The Real Impact on your IT Operations

  • Massive cost savings: Reduce your token billing by up to 85% by preventing the AI from regenerating answers you already have stored.
  • Zero latency in production: Go from waiting several seconds for each generation to serving data to your B2B clients in under 50 milliseconds.
  • Crash-proof scalability: Support spikes of thousands of concurrent users without fear of being blocked by external API Rate Limits.
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