LMQL
Query language for LLMs — SQL-like syntax for constrained generation
Verdict
Interesting approach: write LLM interactions as queries with constraints, decoding, and control flow. Good for complex multi-step prompting patterns. Academic origin with practical applications.
Other Frameworks & SDKs
- DSPyStable
Stanford framework for programming (not prompting) LMs
- GuidanceExperimental
Microsoft's constrained generation library for structured LLM output
- HaystackStable
Deepset open-source NLP framework for production LLM pipelines
- InstructorProduction
Structured outputs from LLMs using Pydantic schemas
- LangChainProduction
Composable LLM application framework — chains, agents, RAG
- LlamaIndexProduction
Data framework for LLM applications — indexing and retrieval

