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  • Versioned vs. Versionless Models Upload
  • Upload Custom Weights
  • Next Steps

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  1. Deploy

Upload Custom Weights

Roboflow offers the ability to upload model weights for your custom-trained models to your Roboflow projects for model deployment.

PreviousLuxonis OAKNextDownload Roboflow Model Weights

Last updated 29 days ago

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Once you've completed training your custom model, upload your model weights back to your Roboflow project to take advantage of .

  • YOLOv8 models must be trained on ultralytics==8.0.196

  • YOLOv11 models must be trained on ultralytics<=8.3.40

  • YOLOv12 models must be trained and uploaded using ultralytics from

Model weights uploads are currently available for:

  • YOLOv5 (n, s, m, l, x) Object Detection and Instance Segmentation

  • YOLOv7 Instance Segmentation (yolov7-seg)

  • YOLOv8 (n, s, m, l, x) Object Detection, Instance Segmentation, Classification, and Keypoint Detection

  • YOLOv9 (n, s, m, l, x) Object Detection

  • YOLOv10 (n, s, m, l, x) Object Detection

  • YOLOv11 (n, s, m, l, x) Object Detection, Instance Segmentation

  • YOLOv12 (n, s, m, l, x) Object Detection

  • YOLO-NAS (s, m, l) Object Detection

  • RF-DETR (rfdetr-base, rfdetr-large) Object Detection

  • Florence-2 (base, large) Multimodal

  • PaliGemma (3b-pt-224, 3b-pt-448, 3b-pt-896) Multimodal

  • PaliGemma 2 (3b-pt-224, 3b-pt-448, 3b-pt-896) Multimodal

Larger model sizes provide better training results. However, the larger the model size, the slower the training time, and inference (model prediction) speed. Consider whether you're looking for real-time inference on fast-moving objects or video feeds (better to use a smaller model), or you are processing data after it is collected, and more concerned with higher prediction accuracy (choose a larger model).

Versioned vs. Versionless Models Upload

Roboflow provides two distinct approaches for deploying models to your projects, each serving different use cases and organizational needs. The choice between versioned and versionless deployments depends on whether you need to track model evolution alongside dataset versions or want to share models across multiple projects in your workspace.

  • Versionless Deployments (recommended)

    • Tied to the workspace level

    • Can be deployed to multiple projects simultaneously

    • Ideal for sharing models across different projects within the same workspace

  • Versioned Deployments

    • Tied to specific project versions

    • One model per dataset version

    • Ideal for tracking model evolution alongside dataset versions

Upload Custom Weights

Before starting, make sure you have roboflow>=1.1.53 to use the versionless deploy.

To upload versionless custom weights, use the workspace.deploy_model method in the Python SDK.

Usage

workspace.deploy_model(
    model_type="yolov8",  # Type of the model
    model_path="path/to/model",  # Path to model directory
    project_ids=["project1", "project2"],  # List of project IDs
    model_name="my_model",  # Name for the model
    filename="weights/best.pt"  # Path to weights file (default)
)

Parameters

  • model_type (str): The type of model being deployed (e.g., "yolov8", "yolov11")

  • model_path (str): File path to the directory containing the model weights

  • project_ids (list[str]): List of project IDs to deploy the model to

  • model_name (str): Name to identify the model

  • filename (str, optional): Name of the weights file (defaults to "weights/best.pt")

Example

from roboflow import Roboflow

rf = Roboflow(api_key="YOUR_API_KEY")
workspace = rf.workspace("YOUR_WORKSPACE")

workspace.deploy_model(
  model_type="yolov8",
  model_path="./runs/train/weights",
  project_ids=["project-1", "project-2", "project-3"],
  model_name="my_custom_model"
)

Before starting, make sure you have roboflow>=1.0.1 to use the.deploy() command.

To upload custom weights, use the version.deploy() method in the Python SDK.

Usage

version.deploy(
    model_type="yolov8",  # Type of the model
    model_path="path/to/model",  # Path to model directory
    filename="weights/best.pt"  # Path to weights file (default)
)

Parameters

  • model_type (str): The type of model to be deployed (e.g., "yolov8", "yolov11")

  • model_path (str): File path to the directory containing the model weights

  • filename (str, optional): Name of the weights file (defaults to "weights/best.pt")

Example

from roboflow import Roboflow

rf = Roboflow(api_key="YOUR_API_KEY")
project = rf.workspace().project("PROJECT_ID")

#can specify weights_filename, default is "weights/best.pt"
version = project.version(VERSION_ID)

#example1 - directory path is "training1/model1.pt" for yolov8 model
version.deploy("yolov8", "training1", "model1.pt")

#example2 - directory path is "training1/weights/best.pt" for yolov8 model
version.deploy("yolov8", "training1")

Important Notes

  1. A version can only have one trained model at a time

  2. Attempting to upload to a version that already has a model will result in a 429 error

Installation

To install the Roboflow Python package, you can use pip:

pip install roboflow

Authentication

Before using any CLI commands, you need to authenticate with Roboflow:

  1. Run the authentication command: roboflow login

  2. Get your authentication token from the website

  3. Paste the token in your terminal

The credentials will be automatically saved to ~/.config/roboflow/config.json

Uploading Model Weights

The Roboflow CLI provides a command to upload trained model weights to your Roboflow projects. This is useful when you want to deploy custom-trained models to Roboflow.

Basic Usage

roboflow upload_model -w <workspace> -p <project> -t <model_type> -m <model_path> [-v <version>] [-f <filename>] [-n <model_name>]

Parameters

  • -w, --workspace: Your workspace ID or URL (optional - will use default workspace if not specified)

  • -p, --project: Project ID to upload the model into (for versionless upload can be specified multiple times for multiple projects)

  • -t, --model_type: Type of the model (e.g., yolov8, paligemma2)

  • -m, --model_path: Path to the directory containing the trained model file

  • -v, --version_number: Version number to upload the model to (optional)

  • -f, --filename: Name of the model file (default: "weights/best.pt")

  • -n, --model_name: Name of the model (required for versionless model deploy)

Examples

# 1. Upload a model to a specific version: 
roboflow upload_model -w my-workspace -p my-project -v 1 -t yolov8 -m ./weights

# 2. Upload a versionless model to multiple projects:
roboflow upload_model -w my-workspace -p project1 -p project2 -t yolov11 -n my-model-v1 -m ./weights

Next Steps

  1. Check out your model in the "Models" tab of Roboflow

Prefer to use versionless upload, this way your model belongs to the workspace and not just the project, and the version. One versioned model must be linked to just one corresponding dataset version. If you do not have a version generated in your dataset, you can create on or via the .

See docs on or reference the example below.

Visit the URL shown in the terminal:

Run your model locally with .

Roboflow Inference
https://github.com/sunsmarterjie/yolov12
in-app
API
https://app.roboflow.com/auth-cli
Roboflow Inference Server
Deploy your model
how to load a version through the API