This source appears to be a tutorial about constructing a basic AI agent from scratch. Based only on the title, its focus is likely long-task planning: how an agent breaks a larger objective into steps and works through them over time. No article body was provided, so specific implementation choices, model providers, tools, code examples, or evaluation results cannot be confirmed.
Zig by Example is a GitHub tutorial project inspired by Go by Example. It introduces Zig through annotated examples covering syntax, types, control flow, errors, pointers, comptime, generics, allocation, testing, file I/O, JSON, the build system, and C interop. This is not an AI model or product launch, but it is useful learning material for developers exploring Zig 0.14.