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.

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API Guides Comparisons Coding Agents Video Generation Image Generation

API PlaygroundTest models, prompts, request options, and responses.AI Image ToolOpen the image generation tool and test visual models.

Has Kimi K3 Reached Claude Opus 4.8? A Seven-Dimension API Test

A seven-dimension comparison of Kimi K3 and Claude Opus 4.8 across exact mathematics, physics modeling, constrained reasoning, statistical anti-induction, code review, strict JSON compliance, and uncertainty calibration, measuring correctness, first visible answer, total latency, and reasoning-token efficiency.

July 19, 202615 viewsEnglishComparison

July 19, 202617 viewsEnglishGuide

Building an AI SaaS on a Budget: Multi-Model Routing and API Cost Controls

A practical architecture for launching an AI SaaS without locking the product to one provider.

July 19, 202613 viewsEnglishTutorial

GLM-4.6 API Guide 2026: Tool Calling and Bilingual RAG Applications

Build bilingual assistants with GLM-4.6 using chat requests, retrieval context, function calling, and error handling.

July 19, 202616 viewsEnglishGuide

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

A hands-on Kimi K2 Thinking guide for agent builders covering prompting, tool calls, evaluations, latency, and cost.

July 19, 202613 viewsEnglishTutorial

Google Veo3 API Guide 2026: Production Queues, Cost Controls, and Fallbacks

Learn to integrate Google Veo3 with asynchronous jobs, polling, retries, budget caps, and fallback models.

July 19, 202614 viewsEnglishComparison

AI Lip Sync Tools Comparison 2026: APIs for Dubbing, Avatars, and Localization

Compare AI lip sync workflows for developers building talking avatars, dubbing pipelines, and localized marketing video products.

July 19, 202616 viewsEnglishTutorial

Codex CLI Installation Guide 2026: macOS, Linux, Windows, and Dev Containers

Install Codex CLI across macOS, Linux, Windows, WSL, and dev containers, then configure a stable API endpoint.

July 19, 202617 viewsEnglishTutorial

How to Get a Claude API Key in 2026: Secure Setup for Local and CI Apps

A practical Claude API key setup guide covering environment variables, CI secrets, rotation, and least privilege.

July 19, 202615 viewsEnglishComparison

AI API Pricing Comparison 2026: OpenAI, Claude, Gemini, DeepSeek, and Routing

Compare AI API pricing in 2026 using input, output, caching, batch jobs, and routing costs.