---
description: High-performance console output capture with API/file streaming for YOLO11 training logs.
keywords: ConsoleLogger, console capture, log streaming, API logging, file logging, YOLO11, Ultralytics
---

# Reference for `ultralytics/utils/logger.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/logger.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/logger.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏

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## ::: ultralytics.utils.logger.ConsoleLogger

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## ::: ultralytics.utils.logger.SystemLogger

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