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RetinaNet-R101

Training compute
2.1×10¹⁸ FLOP
Parameters
53M
Published
Aug 7, 2017

RetinaNet-R101 is an AI model developed by Facebook AI Research (United States and France), first published in August 2017. It works in the vision domain, on tasks such as object detection.

Training it took an estimated 2.1×10¹⁸ FLOP of compute (estimation method: hardware). The model has 53,000,000 parameters. It was trained on roughly 115K datapoints. Training ran on 8 NVIDIA M40 for about 35 hours.

The reference paper has 16,437 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Facebook AI Research
Country of organization
United States, France
Domain
Vision
Task
Object detection
Training compute
2.1×10¹⁸ FLOP
Compute estimation method
Hardware
Parameters
53,000,000
Dataset size
115K
Training hardware
NVIDIA M40
Chips used
8
Training time
35 h
Chip-hours
280
Training power draw
4.2 kW
Numerical format
FP32
Citations
16,437
Epoch confidence
Confident
More from Facebook AI Research
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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