OpenAI API vs Together AI
Which Api Platform is right for you? See our complete breakdown.
| Feature | OpenAI API | Together AI |
|---|---|---|
| MegaOne Score | 9/10 | 8/10 |
| Category | Api Platform | Api Platform |
| Pricing Model | Paid Only | Paid Only |
| Starting Price | $0.05/mo | $0.05/mo |
| Free Tier | Yes | Yes |
| API Available | No | No |
| Open Source | No | No |
| iOS App | No | No |
| Android App | No | No |
| Chrome Extension | No | No |
| Company | OpenAI | Together AI |
| Total Funding | $180.0B | $1.3B |
Visual Comparison
About OpenAI API
OpenAI API provides developers access to a suite of advanced AI models for integrating natural language processing, generation, and agentic capabilities into applications.
The OpenAI API offers access to a diverse range of AI models, including the latest GPT-5.6 family (Sol, Terra, Luna), GPT-5.5, and GPT-5.4, along with specialized models for coding, voice, and images. It enables developers to build sophisticated AI agents, automate content creation, enhance conversational AI, and streamline processes requiring advanced language understanding and generation. The API is transitioning to a new Responses API for more flexible and performant multi-step workflows, deprecating the older Assistants API.
About Together AI
Together AI is an AI acceleration cloud platform providing GPU infrastructure, model inference, and fine-tuning for open-source generative AI models.
Together AI offers an end-to-end generative AI platform, known as the AI Acceleration Cloud, enabling developers and researchers to train, fine-tune, and deploy a wide range of open-source and custom AI models. The platform provides serverless inference, dedicated GPU clusters, and tools designed for rapid model experimentation and efficient production deployment, supporting various modalities including chat, image, vision, video, and audio. It aims to democratize advanced AI capabilities by addressing infrastructure challenges and contributing to open-source initiatives.
OpenAI API takes the edge
With a MegaOne score of 9/10 versus 8/10, OpenAI API edges ahead of Together AI in our analysis. However, Together AI may still be the better choice depending on your specific use case and budget.