Spring AI

Building AI features into Spring Boot apps with Spring AI, explained with working code and practical tips.

Spring AI November 2026 · 14 min read

Spring AI Prompt Templates: System Messages, Placeholders and Prompt Files

Three ways to shape a prompt in Spring AI 2.0, from a hand-built system message to a PromptTemplate with placeholders to a system prompt kept in its own file, and the brace that will break your template.

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Spring AI November 2026 · 9 min read

Spring AI with OpenAI: Your First Chat Endpoint in Spring Boot 4

A line-by-line walk through a small Spring Boot 4.1 and Spring AI 2.0 app that sends a prompt to OpenAI's GPT-5 and returns the answer as JSON.

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