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guidance

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Control LLM output with regex and grammars, guarantee valid JSON/XML/code generation, enforce structured formats, and build multi-step workflows with Guidance - Microsoft Research's constrained generation framework

When to use

• **Control LLM output syntax** with regex or grammars
• **Guarantee valid JSON/XML/code** generation
• **Reduce latency** vs traditional prompting approaches
• **Enforce structured formats** (dates, emails, IDs, etc.)
• **Build multi-step workflows** with Pythonic control flow
• **Prevent invalid outputs** through grammatical constraints

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