What is LMQL?
LMQL is an open-source query language for prompting large language models using types, templates and constraints. Developers write query programs as Python functions to get structured, constrained outputs, with a playground available for experimenting.
Key facts
- Pricing
- Open source
- Category
- Coding
- Website
- https://lmql.ai/
- Listing updated
- Nov 11, 2026
LMQL FAQ
What is LMQL?
LMQL is an open-source query language for prompting large language models using types, templates and constraints. Developers write query programs as Python functions to get structured, constrained outputs, with a playground available for experimenting.
What does LMQL cost?
LMQL pricing is listed as Open source.
What are alternatives to LMQL?
Coding alternatives to LMQL include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.
Alternatives to LMQL
GitHub CopilotThe premier AI pair programmer for software developers.$10 moTogether AIThe fastest cloud for fine-tuning open-source models.Usage-basedBasetenPlatform for AI model inference and trainingUsage-basedStraionManage rules and guardrails for AI coding agents.$49 moCursorAn AI-native code editor designed for pair programming.Free / $20 moPineconeA vector database for building high-performance AI applications.Free / Usage-based