The best transformers alternatives

inference

xorbitsai/inference

Swap GPT for any LLM by changing a single line of code. Xinference lets you run open-source, speech, and multimodal models on cloud, on-prem, or your laptop — all through one unified, production-ready inference API.

Choose inference if…

• you prefer a smaller, narrower project to a large one
• you specifically need artificial-intelligence or deployment

Shares gemma, glm, llm, machine-learning with transformers.

vllm

vllm-project/vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

Choose vllm if…

• you specifically need amd or blackwell

Shares deepseek, llm, pytorch, qwen with transformers.

LlamaFactory

hiyouga/LlamaFactory

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)

Choose LlamaFactory if…

• you prefer a smaller, narrower project to a large one
• you specifically need agent or ai

Shares deepseek, gemma, llm, nlp with transformers.

unsloth

unslothai/unsloth

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Choose unsloth if…

• you prefer a smaller, narrower project to a large one
• you specifically need agent or ai

Shares deepseek, gemma, llm, python with transformers.

datasets

huggingface/datasets

🤗 The largest hub of ready-to-use datasets for AI models with fast, easy-to-use and efficient data manipulation tools

Choose datasets if…

• you prefer a smaller, narrower project to a large one
• you specifically need ai or artificial-intelligence

Shares deep-learning, llm, machine-learning, natural-language-processing with transformers.

ray

ray-project/ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Choose ray if…

• you prefer a smaller, narrower project to a large one
• you specifically need data-science or deployment

Shares deep-learning, llm, machine-learning, python with transformers.

sglang

sgl-project/sglang

SGLang is a high-performance serving framework for large language models and multimodal models.

Choose sglang if…

• you prefer a smaller, narrower project to a large one
• you specifically need attention or blackwell

Shares deepseek, glm, llm, qwen with transformers.

kornia

kornia/kornia

🐍 Geometric Computer Vision Library for Spatial AI

Choose kornia if…

• you prefer a smaller, narrower project to a large one
• you specifically need artificial-intelligence or computer-vision

Shares deep-learning, hacktoberfest, machine-learning, python with transformers.

openvino

openvinotoolkit/openvino

OpenVINO™ is an open source toolkit for optimizing and deploying AI inference

Choose openvino if…

• you would rather work in C++ than Python
• you prefer a smaller, narrower project to a large one
• you specifically need ai or computer-vision

Shares deep-learning, natural-language-processing, nlp, speech-recognition with transformers.

BentoML

bentoml/BentoML

The easiest way to serve AI apps and models - Build Model Inference APIs, Job queues, LLM apps, Multi-model pipelines, and more!

Choose BentoML if…

• you prefer a smaller, narrower project to a large one
• you specifically need ai-inference or generative-ai

Shares deep-learning, llm, machine-learning, python with transformers.

stanza

stanfordnlp/stanza

Stanford NLP Python library for tokenization, sentence segmentation, NER, and parsing of many human languages

Choose stanza if…

• you prefer a smaller, narrower project to a large one
• you specifically need artificial-intelligence or corenlp

Shares deep-learning, machine-learning, natural-language-processing, nlp with transformers.

flower

flwrlabs/flower

Flower: A Friendly Federated AI Framework

Choose flower if…

• you prefer a smaller, narrower project to a large one
• you specifically need ai or android

Shares deep-learning, machine-learning, python, pytorch with transformers.