Pegasus Xsum
Developed by Google, Pegasus Xsum is an open-source model specifically designed for summarization tasks, with a context window of 512 tokens. It is genuinely best at handling various summarization datasets, as evidenced by its performance on multiple benchmarks.
Input
Output
Context
1K
Max Output
-
Parameters
568M
Technical Specifications
Model TypeChat
Context Window512 tokens
Max Output TokensNot available
Parameters568M
Release DateMar 2, 2022
Training CutoffDec 18, 2019
LicenseApache-2.0
Open SourceYes
Input Modalities
Text
Output Modalities
Text
Capabilities
Estimated GPU Requirements for Pegasus Xsum
Estimates based on INT8 quantization. Actual requirements vary by framework and configuration.
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 24, 2026
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