OpenAI API vs Together AI
OpenAI API OpenAI
GPT models for text, vision, images, audio and realtime voice, plus the Agents SDK.
VisitSide by side
| Property | OpenAI API | Together AI |
|---|---|---|
| Type | Product | Product |
| Category | AI models and APIs | AI models and APIs |
| Made by | OpenAI | Together AI |
| Pricing | Pay per use | Pay per use |
| Open source | No | No |
| API | Yes | Yes |
| Platforms | API | API |
| Startup | Yes | Yes |
Features
Only OpenAI API
- reasoning
- image generation
- voice
- embeddings
- agents
Both
- llm api
Only Together AI
- inference
- open weights
- fine-tuning
- gpu cloud