
Together AI has built the infrastructure layer for open-source AI, making it easy to run, customize, and scale models like Llama, Mistral, and hundreds of others. It's the platform for developers who want the benefits of open models without the operational complexity.
Key Features:
Platform capabilities:
Why Together AI:
Together AI is ideal for teams building on open-source models who want to avoid infrastructure management. The fine-tuning capabilities are particularly valuable—customizing a model to your domain can dramatically improve results while potentially reducing costs.

Build with GPT-4, DALL·E, and more
OpenAI API provides access to GPT-4, GPT-4 Turbo, DALL·E, Whisper, and embedding models. The foundation for countless AI applications.

Build with Claude
Anthropic's API gives you access to Claude, the AI assistant known for nuanced understanding and thoughtful responses. Features long context windows and tool use.

Run and fine-tune open-source models
Replicate lets you run open-source machine learning models with a cloud API. Access thousands of models for image generation, LLMs, and more.