Together AI
Cloud platform for running and fine-tuning open-source AI models via a fast, OpenAI-compatible API.
About
Together AI is a cloud inference and training platform built around open-source models. Developers can run 200+ models including Llama, Mistral, Qwen, and DeepSeek through a serverless API that is compatible with the OpenAI SDK, making migration straightforward. The platform also supports LoRA fine-tuning on models up to 405B parameters, dedicated endpoints for guaranteed throughput, and batch processing for large workloads. New users receive $25 in free credits, and beyond that the service is pay-as-you-go with no minimum commitment.