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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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How to Get a Claude API Key in 2026: Billing Verification, Local Development, and CI
July 21, 2026372 viewsEnglishTutorial

How to Get a Claude API Key in 2026: Billing Verification, Local Development, and CI

Learn how to get a Claude API key safely, verify billing, configure local development, and deploy it to CI without leaking secrets.

AI API Pricing Comparison July 2026: Effective Cost per User for SaaS Teams
July 21, 2026445 viewsEnglishComparison

AI API Pricing Comparison July 2026: Effective Cost per User for SaaS Teams

A practical AI API pricing comparison for SaaS teams, covering tokens, caching, routing, retries, and the real cost per active user.

Gemini Advanced Review July 2026: Subscription vs API for Data-Heavy Workflows
July 21, 2026478 viewsEnglishComparison

Gemini Advanced Review July 2026: Subscription vs API for Data-Heavy Workflows

A practical Gemini Advanced review for developers comparing the subscription with API access for coding, research, long-context files, and team workflows.

Claude Code Pricing Guide July 2026: Usage Metering, Team Budgets, and API Fallbacks
July 21, 2026405 viewsEnglishGuide

Claude Code Pricing Guide July 2026: Usage Metering, Team Budgets, and API Fallbacks

A developer-focused Claude Code pricing guide for July 2026 covering seats, usage metering, team budgets, CI agents, and API fallback design.

Has Kimi K3 Reached Claude Opus 4.8? A Seven-Dimension API Test
July 19, 2026458 viewsEnglishComparison

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.

Building an AI SaaS on a Budget: Multi-Model Routing and API Cost Controls
July 19, 2026443 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.

GLM-4.6 API Guide 2026: Tool Calling and Bilingual RAG Applications
July 19, 2026301 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.

Kimi K2 Thinking Guide 2026: Reasoning Agents, Evaluation, and Cost Control
July 19, 2026385 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.