Tutorials
Use the Anthropic Messages Format Through a Compatible Gateway
Call Claude through a gateway with the Anthropic SDKs: base URL, headers, streaming, a tool-use loop and prompt caching, in Python, Node and curl.
7 min read
AI News
Claude 5.5 Is Complete: Opus 5.5, Sonnet 5.5 and Haiku 5.5 in Two Weeks
Anthropic shipped Opus 5.5, Sonnet 5.5 and Haiku 5.5 between September 22 and October 7. Prices, limits and the breaking changes that affect your code.
6 min read
AI News
October 23 Shutdown: GPT-4, GPT-3.5 Turbo, o1 and o4-mini Leave the OpenAI API
OpenAI retires a long list of older models on October 23, 2026. What is going, what replaces each one, and how to find them in your code.
6 min read