GLiNER2.5 Released: Replaces Span Enumeration with Boundary Prediction for Long-Context Extraction

bclavie · x · 2026-08-25

GLiNER2.5 has been released, marking the most significant upgrade to the GLiNER architecture to date. The new architecture replaces span enumeration with boundary prediction, directly scoring entity start and end positions. This removes limits on entity length and allows inference to scale linearly with document length.

The update introduces five new capabilities:

The model achieves higher average F1 scores across 16 benchmarks compared to GLiNER2, with a 24.75-point gain on XNLI. Three variants are released on Hugging Face under Apache 2.0: gliner2.5-base-v1 (0.2B), gliner2.5-multi-v1 (0.3B), and gliner2.5-small-v1 (74M). Training data was generated by the Fastino Data Agent, covering task combinations, document formats, and languages not found in public datasets.

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