OpenAI API vs Together AI

Side-by-side comparison of OpenAI API and Together AI: pricing, features, API access, and community ratings.

AI comparison summary

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	OpenAI API The most widely used AI API — access GPT-4o, DALL·E, Whisper, and Embeddings from OpenAI. Visit	Together AI The AI Native Cloud — full-stack platform for inference, compute, and model shaping Visit
Category	AI infrastructure	AI infrastructure
Pricing	Freemium	Freemium
Starting price
Free tier
Audience	Technical	Technical
API available
Open source
Self-hostable
Model provider	OpenAI	Open-source models (e.g., DeepSeek, Gemma, Llama, Qwen, GLM, MiniMax, Kimi)
Founded	2023	2022
Headquarters	San Francisco, US	San Francisco, USA
Key strengths	·GPT-4o ·Assistants API ·Realtime API ·fine-tuning	·Industry-leading inference speed (31%+ more TPS than next-fastest OSS engine) ·Full-stack platform: inference, compute, fine-tuning, storage, and sandboxes ·Cutting-edge in-house research (FlashAttention, ThunderKittens, ATLAS) ·Broad open-source model library with serverless and dedicated deployment options