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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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Best AI Models for RAG Applications 2026: Embeddings, Retrieval, and Generation
April 29, 20262018 viewsEnglishGuide

Best AI Models for RAG Applications 2026: Embeddings, Retrieval, and Generation

A complete guide to choosing the best AI models for RAG pipelines in 2026, covering embedding models, retrieval strategies, and generation models with code examples and pricing comparisons.

Seedance 2.0 vs Kling 2.1 vs Runway Gen 4 Turbo: Video AI API Comparison 2026
April 29, 20262354 viewsEnglishComparison

Seedance 2.0 vs Kling 2.1 vs Runway Gen 4 Turbo: Video AI API Comparison 2026

A comprehensive head-to-head comparison of Seedance 2.0, Kling 2.1, and Runway Gen 4 Turbo covering quality, speed, pricing, and API features for developers building video AI applications in 2026.

AI Video Generation API Pricing May 2026: Veo3 vs Kling vs Runway vs Sora
April 29, 20262983 viewsEnglishComparison

AI Video Generation API Pricing May 2026: Veo3 vs Kling vs Runway vs Sora

Comprehensive pricing comparison of AI video generation APIs in May 2026. Compare Veo3, Kling, Runway Gen 4, and Sora on cost per video, cost per second, API features, and find the best value through unified access.

How to Get Claude API Key in China 2026: Complete Setup Guide
April 29, 20262936 viewsEnglishGuide

How to Get Claude API Key in China 2026: Complete Setup Guide

Complete guide for developers in China to access Claude API in 2026. Covers payment challenges, network restrictions, and the easiest solution using Crazyrouter — no VPN or foreign credit card needed.

AI Coding Tools ROI Calculator: Claude Code vs Codex CLI vs Gemini CLI Cost Analysis 2026
April 29, 20261151 viewsEnglishGuide

AI Coding Tools ROI Calculator: Claude Code vs Codex CLI vs Gemini CLI Cost Analysis 2026

A comprehensive ROI framework for evaluating AI coding tools in 2026. Compare Claude Code, Codex CLI, and Gemini CLI on cost per task, productivity gains, and total cost of ownership with real-world benchmarks.

AI API Pricing Comparison May 2026 - Complete Developer Guide
April 29, 20261503 viewsEnglishComparison

AI API Pricing Comparison May 2026 - Complete Developer Guide

Comprehensive AI API pricing comparison for May 2026 covering OpenAI, Anthropic, Google, xAI, DeepSeek, and Moonshot. Updated token costs, pricing tables, and tips to save up to 50% on your AI API bill.

Grok 4 API Pricing Complete Guide 2026
April 29, 20261795 viewsEnglishGuide

Grok 4 API Pricing Complete Guide 2026

Complete guide to xAI's Grok 4 API pricing tiers, token costs, and how to save up to 50% using API aggregators. Includes code examples and comparisons with GPT-5, Claude Opus 4.6, and Gemini 3 Pro.

DeepSeek R2: The 32B Reasoning Model That Runs on a Single GPU — Complete Guide for Developers
April 29, 20261512 viewsEnglishGuide

DeepSeek R2: The 32B Reasoning Model That Runs on a Single GPU — Complete Guide for Developers

DeepSeek R2 is a 32B open-weight reasoning model scoring 92.7% on AIME 2025, running on a single RTX 4090, and costing 70% less than GPT-5. Here's everything developers need to know — benchmarks, pricing, API access, and how to use it through Crazyrouter.