OpenAI API vs Together AI
Compare OpenAI API and Together AI on deployment, pricing, model support, and more.
OpenAI API
- Tagline
- GPT-4o, embeddings, DALL-E, and Whisper API — the most widely used LLM API powering the majority of AI applications
- Description
- The OpenAI API is the most widely used AI API in the world, providing programmatic access to GPT-4o (text and vision), DALL-E 3 (image generation), Whisper (speech-to-text), TTS (text-to-speech), embeddings, and the Assistants API. With OpenAI-compatible endpoints adopted across the industry as a standard, it's the default choice for most new AI applications — used by over 2 million developers and most AI-powered products.
- Category
- Code / DevTools
- Pricing
- Freemium
- Metric
- 2,000,000 Developers using OpenAI API (source)
- Link
- Visit
Together AI
- Tagline
- Open-source LLM inference and fine-tuning API — run Llama, Mistral, and 100+ models with competitive pricing
- Description
- Together AI is a cloud platform for running, fine-tuning, and deploying open-source LLMs. With 100+ available models including Llama 3.1, Mistral, Mixtral, Qwen, and DBRX, it provides OpenAI-compatible API endpoints at competitive per-token pricing. Together AI uniquely offers serverless inference, fine-tuning, and dedicated deployments — making it a one-stop shop for teams building on open models who want more than just inference.
- Category
- LLM Frameworks
- Pricing
- Freemium
- Metric
- —
- Link
- Visit
| Attribute | OpenAI API | Together AI |
|---|---|---|
| Tagline | GPT-4o, embeddings, DALL-E, and Whisper API — the most widely used LLM API powering the majority of AI applications | Open-source LLM inference and fine-tuning API — run Llama, Mistral, and 100+ models with competitive pricing |
| Category | Code / DevTools | LLM Frameworks |
| Pricing | Freemium | Freemium |
| Description | The OpenAI API is the most widely used AI API in the world, providing programmatic access to GPT-4o (text and vision), DALL-E 3 (image generation), Whisper (speech-to-text), TTS (text-to-speech), embeddings, and the Assistants API. With OpenAI-compatible endpoints adopted across the industry as a standard, it's the default choice for most new AI applications — used by over 2 million developers and most AI-powered products. | Together AI is a cloud platform for running, fine-tuning, and deploying open-source LLMs. With 100+ available models including Llama 3.1, Mistral, Mixtral, Qwen, and DBRX, it provides OpenAI-compatible API endpoints at competitive per-token pricing. Together AI uniquely offers serverless inference, fine-tuning, and dedicated deployments — making it a one-stop shop for teams building on open models who want more than just inference. |
| Metric | 2,000,000 Developers using OpenAI API (source) | — |
| Link | Visit | Visit |