📰 Dev.to · Xidao

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I Cut My LLM API Bill by 38% With a Caching Layer — Here's the Complete Implementation

Dev.to · Xidao 3w ago

I Cut My LLM API Bill by 38% With a Caching Layer — Here's the Complete Implementation

A practical, code-heavy tutorial on building a smart caching layer for LLM API calls. Covers exact-match hashing, semantic similarity caching with embeddings, t

I Tested 6 LLM Models on the Same 50 Production Prompts — Here’s What Actually Varies

Dev.to · Xidao 3w ago

I Tested 6 LLM Models on the Same 50 Production Prompts — Here’s What Actually Varies

A hands-on comparison of GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek V3, Qwen 2.5, and Mistral Large on real production tasks. Measuring latency, cost,

The Bottleneck Was Never the Model — It's the Routing Layer

Dev.to · Xidao 1mo ago

The Bottleneck Was Never the Model — It's the Routing Layer

In 2026, LLM code generation solved the coding bottleneck. But production AI apps still fail at provider failover, cost routing, and latency management. Here's

What Breaks When You Route to 5 LLM Providers in Production: Lessons from the 2026 Multi-Model Era

Dev.to · Xidao 1mo ago

What Breaks When You Route to 5 LLM Providers in Production: Lessons from the 2026 Multi-Model Era

GPT-5.5, Claude Mythos, Kimi K2.6, Grok 4.3, Gemma 4 — the 2026 model landscape demands multi-provider routing. Here’s what actually breaks in production.

Your AI Agent Is Sending 10x More API Calls Than You Think — Here's Where the Cost Hides

Dev.to · Xidao 1mo ago

Your AI Agent Is Sending 10x More API Calls Than You Think — Here's Where the Cost Hides

The hidden multiplier nobody budgets for When we moved from single-turn chatbots to...

What Happens When Your API Gateway Needs to Route Across 30+ LLM Models

Dev.to · Xidao 🤖 AI Agents & Automation ⚡ AI Lesson 1mo ago

What Happens When Your API Gateway Needs to Route Across 30+ LLM Models

Two weeks ago, IBM released Granite 4.1, an 8-billion-parameter open model that reportedly matches...

What Actually Breaks When You Add LLM Failover?

Dev.to · Xidao 🧠 Large Language Models ⚡ AI Lesson 1mo ago

What Actually Breaks When You Add LLM Failover?

What Actually Breaks When You Add LLM Failover? A lot of teams say they want “LLM...