Login
Crazyrouter Blog

Practical notes on AI models, API costs, and production workflows.

Model updates, integration guides, pricing breakdowns, and tool workflows for developers and teams.

Explore by topic

View all topics
Kimi K2 Thinking Guide 2026: Reasoning Agents, Evaluation, and Cost Control
Featured article

Kimi K2 Thinking Guide 2026: Reasoning Agents, Evaluation, and Cost Control

Explore Kimi K2 Thinking for reasoning-heavy agents, coding, research, and structured tasks, with practical routing, evaluation, and API examples.

July 22, 202621 viewsEnglishGuide
Building an AI SaaS on a Budget in 2026: Unit Economics Before Features
July 22, 202620 viewsEnglishTips

Building an AI SaaS on a Budget in 2026: Unit Economics Before Features

A practical guide to launching AI SaaS economically with model routing, quotas, caching, queues, observability, and a realistic cost-per-user model.

Multi-Model Orchestration Patterns 2026: Routing, Evaluation, and Fallbacks
July 22, 202622 viewsEnglishGuide

Multi-Model Orchestration Patterns 2026: Routing, Evaluation, and Fallbacks

Design multi-model AI systems that route by task, budget, latency, and risk while preserving a stable API contract and measurable quality.

Streaming AI API with SSE and WebSockets in 2026: A Practical Latency Guide
July 22, 202625 viewsEnglishTutorial

Streaming AI API with SSE and WebSockets in 2026: A Practical Latency Guide

Implement responsive streaming AI interfaces with Server-Sent Events and WebSockets, including buffering, cancellation, reconnects, usage accounting, and code examples.

AI API Security Best Practices 2026: Keys, Prompt Injection, and Data Boundaries
July 22, 202618 viewsEnglishGuide

AI API Security Best Practices 2026: Keys, Prompt Injection, and Data Boundaries

Secure AI API integrations with key isolation, least privilege, prompt-injection defenses, data minimization, logging controls, and provider-independent architecture.

AI API Error Handling in 2026: Retries, Fallbacks, and Observable Recovery
July 22, 202617 viewsEnglishTips

AI API Error Handling in 2026: Retries, Fallbacks, and Observable Recovery

A production playbook for handling rate limits, timeouts, malformed output, provider outages, and partial failures in AI APIs without runaway cost.

Function Calling Across AI Providers in 2026: A Safe, Portable Implementation
July 22, 202617 viewsEnglishTutorial

Function Calling Across AI Providers in 2026: A Safe, Portable Implementation

Build portable function calling across GPT, Claude, Gemini, Qwen, and GLM with normalized schemas, validation, approval gates, retries, and Python and Node.js examples.

Open Source vs Commercial AI Models in 2026: A Developer Decision Guide
July 22, 202617 viewsEnglishComparison

Open Source vs Commercial AI Models in 2026: A Developer Decision Guide

Compare open source and commercial AI models across cost, privacy, latency, quality, deployment, licensing, and API operations for real software teams.

GLM-4.6 API Guide 2026: Tool Calling, JSON Output, and Production Patterns
July 22, 202622 viewsEnglishTutorial

GLM-4.6 API Guide 2026: Tool Calling, JSON Output, and Production Patterns

Learn how to integrate GLM-4.6 in developer workflows, including structured output, function calling, provider comparison, cost planning, and resilient API code.