# AI21 vs Together AI — Fit & Features

Canonical: https://trutool.co/compare/ai21-vs-together-ai
Author: Snehil (https://trutool.co/authors/snehil)

Compare AI21 and Together AI by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### AI21
Language models and enterprise AI systems.
Best fit: Developers evaluating model APIs or inference infrastructure.
- Language models and enterprise AI systems
Before you choose: Compare latency, usage billing, rate limits, model licenses, and data handling for your workload.
Pricing: https://www.ai21.com/
- [Read AI21 profile](https://trutool.co/tools/ai21): Read AI21 profile

### Together AI
Cloud platform for inference and fine-tuning open AI models.
Best fit: Developers evaluating model APIs or inference infrastructure.
- Cloud platform for inference and fine-tuning open AI models
Before you choose: Compare latency, usage billing, rate limits, model licenses, and data handling for your workload.
Pricing: https://www.together.ai/
- [Read Together AI profile](https://trutool.co/tools/together-ai): Read Together AI profile