#claudeapi

Originally published at kalyna.pro Anthropic's current lineup — Haiku 4.5, Sonnet 5, Opus 5, and...

Anthropic locked minors out of Claude.ai and got the enforcement wrong more than once along the way. None of that applies to what you build on the API: the Usage Policy hands you a different, real set of obligations instead. Here's what changed, and a NestJS implementation of the three that are worth coding rather than just listing.

AI API 통합 가이드: 비용을 50% 절감하는 방법 현대 AI 환경에서 기업은 유연성이 필요합니다. 단일 제공업체에 종속되지 않고 여러 모델을 지원하는 통합...

Claude vs GPT-4: Which AI Model Should You Choose in 2026? Choosing between Claude and...

Claude Agent Skills left beta on 19 August 2026, and a Skill still runs 3 different...

Claude Admin API user management went GA on 19 August 2026, but 8 endpoints still read...

Anthropic Python SDK 1.0 dropped httpx on 20 August 2026: what breaks in your mocks and...

Claude's browser use tool costs 6,600 input tokens per request before a screenshot: the 19...

5 Claude API deadlines between 17 August and 24 November 2026, and the 400 errors that...

Compare Claude, GPT-4o, and Gemini 2.5 API pricing for 2026. Token costs, context window economics, and a free calculator to estimate your monthly AI spend.

Claude Opus 4.7 released April 16, 2026. 13% coding lift, 3.75MP vision, xhigh effort level, task budgets. Complete developer guide with API migration notes.

Agent context compaction drops every block before the summary at 150K tokens. What survives, what instructions silently replaces, and the usage field that lies.