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MobileCLIP-L-14

Name: MobileCLIP-L-14
Rating: 2.5 (25 reviews)

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MobileCLIP2: Improving Multi-Modal Reinforced Training

MobileCLIP2 was introduced in MobileCLIP2: Improving Multi-Modal Reinforced Training (TMLR August 2025 Featured), by Fartash Faghri, Pavan Kumar Anasosalu Vasu, Cem Koc, Vaishaal Shankar, Alexander T Toshev, Oncel Tuzel, Hadi Pouransari.

This repository contains the MobileCLIP-L-14 checkpoint.

Highlights

MobileCLIP2-S4 matches the accuracy of SigLIP-SO400M/14 with 2x fewer parameters and surpasses DFN ViT-L/14 at 2.5x lower latency measured on iPhone12 Pro Max.
MobileCLIP-S3/S4 are our new architectures trained on MobileCLIP’s training dataset, DataCompDR-1B (dashed lines).
Our smallest variant MobileCLIP-S0 obtains similar zero-shot performance as OpenAI's ViT-B/16 model while being 4.8x faster and 2.8x smaller.
MobileCLIP-S2 obtains better avg zero-shot performance than SigLIP's ViT-B/16 model while being 2.3x faster and 2.1x smaller, and trained with 3x less seen samples.
MobileCLIP-B (LT) attains zero-shot ImageNet performance of 77.2% which is significantly better than recent works like DFN and SigLIP with similar architectures or even OpenAI's ViT-L/14@336.

Checkpoints

Model	# Seen Samples (B)	# Params (M) (img + txt)	Latency (ms) (img + txt)	IN-1k Zero-Shot Top-1 Acc. (%)	Avg. Perf. (%) on 38 datasets
MobileCLIP2-S0	13	11.4 + 63.4	1.5 + 3.3	71.5	59.7
MobileCLIP2-S2	13	35.7 + 63.4	3.6 + 3.3	77.2	64.1
MobileCLIP2-B	13	86.3 + 63.4	10.4 + 3.3	79.4	65.8
MobileCLIP2-S3	13	125.1 + 123.6	8.0 + 6.6	80.7	66.8
MobileCLIP2-L/14	13	304.3 + 123.6	57.9 + 6.6	81.9	67.8
MobileCLIP2-S4	13	321.6 + 123.6	19.6 + 6.6	81.9	67.5
MobileCLIP-S0	13	11.4 + 42.4	1.5 + 1.6	67.8	58.1
MobileCLIP-S1	13	21.5 + 63.4	2.5 + 3.3	72.6	61.3
MobileCLIP-S2	13	35.7 + 63.4	3.6 + 3.3	74.4	63.7
MobileCLIP-B	13	86.3 + 63.4	10.4 + 3.3	76.8	65.2
MobileCLIP-B (LT)	36	86.3 + 63.4	10.4 + 3.3	77.2	65.8
MobileCLIP-S3	13	125.1 + 123.6	8.0 + 6.6	78.3	66.3
MobileCLIP-L/14	13	304.3 + 123.6	57.9 + 6.6	79.5	66.9
MobileCLIP-S4	13	321.6 + 123.6	19.6 + 6.6	79.4	68.1

How to Use

First, download the desired checkpoint visiting one of the links in the table above, then click the Files and versions tab, and download the PyTorch checkpoint. For programmatic downloading, if you have huggingface_hub installed, you can also run:

hf download apple/MobileCLIP-L-14

Then, install ml-mobileclip by following the instructions in the repo. It uses an API similar to open_clip's. You can run inference with a code snippet like the following:

import torch
import open_clip
from PIL import Image
from mobileclip.modules.common.mobileone import reparameterize_model

model, _, preprocess = open_clip.create_model_and_transforms('MobileCLIP2-L-14', pretrained='/path/to/mobileclip_l14.pt')
tokenizer = open_clip.get_tokenizer('MobileCLIP2-L-14')

# Model needs to be in eval mode for inference because of batchnorm layers unlike ViTs
model.eval()

# For inference/model exporting purposes, please reparameterize first
model = reparameterize_model(model)

image = preprocess(Image.open("docs/fig_accuracy_latency.png").convert('RGB')).unsqueeze(0)
text = tokenizer(["a diagram", "a dog", "a cat"])

with torch.no_grad(), torch.cuda.amp.autocast():
    image_features = model.encode_image(image)
    text_features = model.encode_text(text)
    image_features /= image_features.norm(dim=-1, keepdim=True)
    text_features /= text_features.norm(dim=-1, keepdim=True)

    text_probs = (100.0 * image_features @ text_features.T).softmax(dim=-1)

print("Label probs:", text_probs)