Together AI

AI acceleration cloud for fast inference, fine-tuning, and training.

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Introduction

AI Acceleration Cloud for fast inference, fine-tuning, and training.

What is Together AI?

Together AI is an AI acceleration cloud that provides a complete end-to-end platform for the generative AI lifecycle. It provides the ability to quickly infer, fine-tune, and train AI models through easy-to-use APIs and highly scalable infrastructure. Users can run and fine-tune open source models on their AI-accelerated cloud and scalable GPU clusters, train and deploy models at scale, and optimize performance and cost. The platform supports more than 200 generative AI models covering various modalities such as chat, images, code, etc., and provides an OpenAI-compatible API.

How to use Together AI?

Users can perform serverless inference via an easy-to-use API or deploy models on custom hardware via dedicated endpoints. Fine-tuning can be achieved through simple commands or by controlling hyperparameters through the API. GPU clusters can be requested for large-scale training. The platform also provides a web interface, API, or command line interface to start or stop endpoints and manage services. Available code execution environments are used to build and run AI development tasks.

Together AI’s core features

Serverless inference API for open source models
Private endpoints for custom hardware deployments
Fine-tuning (LoRA and full fine-tuning)
Open Source AI’s Together Chat App
Code sandbox for AI development environment
Code interpreter that executes LLM generated code
GPU cluster (instant and reserved) with NVIDIA GPUs (GB200, B200, H200, H100, A100)
Rich model library (200+ generative AI models)
OpenAI compatible API
Accelerated software stack (e.g., FlashAttention-3, custom CUDA kernel)
High-speed interconnect (InfiniBand, NVLink)
Powerful management tools (Slurm, Kubernetes)

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Updated：2026-11-06