> For the complete documentation index, see [llms.txt](https://docs.roboflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.roboflow.com/changelog/explore-by-month/october-2025/model-evaluation-for-instance-segmentation-models.md).
# Model Evaluation for Instance Segmentation Models
The Roboflow [Model Evaluation](https://docs.roboflow.com/train/evaluate-trained-models) tool now supports instance segmentation projects. You can now use this tool to explore mAP by object size, identify the ideal confidence threshold based on precision/recall trade-off, view model accuracy by class, and more.
To use this feature, open a model in Roboflow and click on the "View Full Model Evaluation" button to view your model evaluation.
*Note: If your model was trained before the end of October 2025, a button may appear asking you to recompute your model evaluation. This will ensure our dashboard has all of the metrics now supported in our instance segmentation model evaluation suite.*
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# Agent Instructions
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