LMQL logo

LMQL

LMQL is a query language for large language models.

Open Source

About LMQL

In 2026, LMQL stands out as a revolutionary programming language tailored for interacting with large language models (LLMs). Developed by the SRI Lab at ETH Zurich, LMQL is designed to simplify and enhance the process of querying LLMs through its robust and modular approach. It leverages types, templates, constraints, and an optimizing runtime to enable users to construct complex queries and manage outputs with precision. Unlike traditional programming languages, LMQL integrates seamlessly with Python, allowing developers to incorporate LLM queries into their existing workflows effortlessly. This makes it an ideal tool for developers, data scientists, and AI researchers who require a flexible yet powerful solution for LLM interaction. With its ability to support nested queries and automatic backend portability, LMQL ensures that users can optimize their LLM interactions across various platforms, including OpenAI and Transformers. As the AI landscape continues to evolve, LMQL's unique features and capabilities make it a preferred choice for those seeking to harness the full potential of large language models in 2026.

AI Development Tools AI Data Science Tools AI Code AI Code Translation AI LLM Engineering AI Language and Code Integration AI Query Languages AI Language Processing AI Language Model Experimentation

LMQL Key Features

  • Modular prompting for flexible query construction
  • Type definitions to enforce query structure and constraints
  • Template support for reusable query patterns
  • Optimizing runtime for efficient output management
  • Support for complex queries to enhance LLM interactions

LMQL Pricing Plans (2026)

Recommended

Pro

Custom pricing /monthly/yearly
  • Nested queries
  • Backend portability
  • Constrained variables
  • Typed variables
  • Optimizing runtime
  • Potential custom pricing may limit accessibility for some users

LMQL Pros

  • + Seamless integration with Python enhances usability for developers.
  • + Automatic backend portability increases flexibility across platforms.
  • + Nested queries support modular and scalable LLM interactions.
  • + Constrained and typed variables ensure high-quality, structured outputs.
  • + Optimizing runtime improves efficiency and reduces computational costs.
  • + Multi-part prompts enable comprehensive data analysis capabilities.

LMQL Cons

  • Initial learning curve for those unfamiliar with LLM-specific programming.
  • Limited to environments that support Python integration.
  • May require additional resources for complex query optimization.
  • Potential dependency on specific LLM backends for certain features.
  • Advanced features may be underutilized by novice users.

LMQL Use Cases

Creating dynamic chatbots with tailored responsesGenerating structured reports from unstructured dataBuilding interactive educational tools for personalized learningAutomating content generation for marketing campaigns

What Makes LMQL Unique

Integration with Python

LMQL's seamless integration with Python sets it apart from competitors, providing ease of use for Python developers and enhancing workflow efficiency.

Automatic Backend Portability

The ability to switch between different LLM backends with ease ensures that LMQL remains flexible and adaptable, unlike many of its competitors.

Nested Queries

Support for nested queries allows for modular and scalable LLM interactions, a feature not commonly found in other LLM programming tools.

Constrained and Typed Variables

Ensuring structured and high-quality outputs through constrained and typed variables is a unique advantage of LMQL, enhancing output reliability.

Optimizing Runtime

LMQL's optimizing runtime improves query efficiency and reduces computational costs, providing a performance edge over other tools.

Who's Using LMQL

Tech Companies

Tech companies utilize LMQL to enhance their AI capabilities, integrating it into their existing systems for improved LLM interactions and product development.

Academic Institutions

Universities and research institutions use LMQL for AI research, leveraging its advanced querying features to explore new frontiers in artificial intelligence.

Content Creation Agencies

Agencies employ LMQL to automate content generation, improving efficiency and output quality for their clients.

Data Analytics Firms

Analytics firms use LMQL to process and analyze large datasets, extracting valuable insights for their clients through structured LLM queries.

Startups

Innovative startups integrate LMQL into their products and services to enhance AI-driven features, gaining a competitive edge in the market.

How We Rate LMQL

7.8
Overall Score
LMQL is a robust and flexible tool for LLM interaction, offering unique features and integration capabilities that make it a strong choice in 2026.
Ease of Use
8
Value for Money
7
Performance
8
Support
7.5
Accuracy & Reliability
8
Privacy & Security
7.5
Features
8
Integrations
8
Customization
7.5

LMQL vs Competitors

LMQL vs Google Antigravity

LMQL offers unique features like nested queries and backend portability, providing flexibility and scalability that Google Antigravity may lack. However, Google Antigravity's integration with Google's ecosystem could offer advantages in data accessibility and support.

Advantages
  • + Nested queries
  • + Backend portability
  • + Integration with Python
Considerations
  • Potentially limited support compared to Google's resources
  • May require more expertise for advanced features

LMQL Frequently Asked Questions (2026)

What is LMQL?

LMQL is a programming language designed for interacting with large language models, offering robust and modular prompting capabilities.

How much does LMQL cost in 2026?

Pricing details for LMQL are not explicitly stated, suggesting potential custom pricing based on usage and requirements.

Is LMQL free?

LMQL may offer a free tier or trial, though specific details are not provided on the website.

Is LMQL worth it in 2026?

LMQL's unique features and integration capabilities make it a valuable tool for those seeking advanced LLM interactions in 2026.

Best LMQL alternatives in 2026?

Alternatives include Google Antigravity, CodeGeeX, ZZZ Code AI, GoCodeo, and GitFluence.

LMQL vs competitors in 2026?

LMQL offers unique features like nested queries and backend portability, providing advantages over competitors like Google Antigravity and CodeGeeX.

How to get started with LMQL?

To get started with LMQL, visit their website for documentation and resources, and join the community on GitHub and Discord for support.

What platforms does LMQL support?

LMQL supports integration with Python and is compatible with various LLM backends, including OpenAI and Transformers.

Is LMQL safe and secure?

LMQL ensures secure interactions, though data privacy depends on the chosen LLM backend and user practices.

Who should use LMQL?

LMQL is ideal for AI researchers, data scientists, content creators, educators, and businesses seeking advanced LLM interaction tools.

What's new in LMQL 2026?

In 2026, LMQL introduced support for nested queries and enhanced backend portability, improving its flexibility and scalability.

How does LMQL compare to alternatives?

LMQL's integration with Python and unique features like nested queries provide advantages over alternatives such as Google Antigravity and CodeGeeX.

LMQL Search Interest

14
/ 100
↑ Rising

Search interest over past 12 months (Google Trends) • Updated 1/5/2026

LMQL on Hacker News

14
Stories
186
Points
18
Comments

VS Code Extension

1K
Installs

LMQL Company

Founded
2023
3.0+ years active

LMQL Quick Info

Pricing
Open Source
Upvotes
64
Added
January 3, 2026

LMQL Is Best For

  • AI researchers and developers seeking advanced LLM interaction tools.
  • Data scientists requiring structured and reliable data outputs.
  • Content creators looking to automate and enhance content generation.
  • Educational institutions developing interactive learning tools.
  • Businesses aiming to improve intelligence systems and decision-making.

LMQL Integrations

OpenAITransformersPython environments

LMQL Alternatives

View all →

Compare Tools

See how LMQL compares to other tools

Start Comparison

Browse Categories

Find AI tools by category

Search for AI tools, categories, or features

AiToolsDatabase
For Makers
Guest Post

A Softscotch project