Stanford Temporal Tagger
Library for recognizing and normalizing time expressions in text.
- Status
- Not yet determined
- Last checked
- Checked · Oct 12, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
SUTime is a library that recognizes and normalizes time expressions within text, making it easier to process temporal data. It's particularly useful for applications requiring precise time extraction from unstructured text.
SUTime stands out as a specialized tool for time expression recognition, offering robust integration within the Stanford CoreNLP ecosystem.
When it fits — and when it doesn’t
A good fit for
Projects requiring precise extraction and normalization of time expressions from unstructured text.
Applications that process historical data with varying date formats.
Look elsewhere if
Real-time processing applications where performance is critical.
Scenarios requiring support for languages other than English and German.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited language support beyond English and German
The library primarily supports English and German, which restricts its utility for applications requiring time extraction in other languages.
- 02
Tightly coupled with Stanford CoreNLP
SUTime is designed to work within the Stanford CoreNLP framework, making it less flexible for integration into projects that do not use this framework.
- 03
Performance can be slow for large datasets
Processing large volumes of text with SUTime can be computationally expensive and time-consuming due to its reliance on the CoreNLP pipeline.
- 04
Documentation is sparse and not user-friendly
The documentation for SUTime lacks detailed examples and explanations, making it difficult for new users to understand how to effectively use the library.
What it does well
Recognizes and normalizes time expressions in text.
Supports multiple languages including English and German.
Integrates with Stanford CoreNLP for comprehensive NLP tasks.
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 Stanford Temporal Tagger
Setup steps, common gotchas and what to check after 30 days.
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