Montague
Semantic parsing library for Scala with an easy-to-use DSL.
- Status
- UnmaintainedNo commits in 2411 days.
- Last checked
- Checked · Oct 16, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Montague is a semantic parsing library designed for Scala developers. It offers an intuitive domain-specific language (DSL) to facilitate the creation of natural language processing applications, making it easier to parse and understand human language within Scala projects.
Montague stands out as a lightweight, Scala-specific semantic parsing tool with an easy-to-use DSL, making it ideal for developers looking to integrate NLP capabilities into their projects without the complexity of larger frameworks.
When it fits — and when it doesn’t
A good fit for
Scala teams working on projects requiring semantic parsing capabilities
Developers looking for an easy-to-integrate NLP library within Scala applications
Look elsewhere if
Projects that require real-time processing and cannot be self-hosted
Teams not using Scala or needing a more comprehensive AI platform
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited language support
Montague is designed specifically for Scala, limiting its utility in polyglot environments or projects that do not use Scala.
- 02
Small community and limited third-party contributions
The open-source nature of Montague may result in fewer contributors and slower development compared to more popular libraries with larger communities.
- 03
Documentation lacks depth and examples for complex use cases
Current documentation focuses on basic usage, lacking advanced scenarios or comprehensive tutorials which can hinder developers trying to implement sophisticated NLP applications.
- 04
Performance may degrade with large datasets or complex queries
Semantic parsing tasks can be computationally intensive; the library's performance has not been extensively benchmarked against large-scale data, which could lead to slower processing times in real-world applications.
- 05
Integration with other Scala NLP libraries is limited
Montague does not have built-in support or seamless integration with popular Scala-based NLP tools like Apache OpenNLP, which may require additional development effort to combine functionalities.
What it does well
Easy-to-use DSL for semantic parsing
Integration with Scala ecosystem
Open-source and MIT licensed
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up Montague
Setup steps, common gotchas and what to check after 30 days.
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