Together AI vs vLLM
Together AI and vLLM are both AI Platforms tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Together AI | vLLM |
|---|---|---|
| Vendor | Together AI | vLLM Project |
| Rating | ★ 4.3 | ★ 4.8 |
| Pricing | Paid | Free |
| Platforms | Web, API | Self-hosted, API |
| Key features | Hundreds of open models served, Fine-tuning pipelines, Fast dedicated inference | PagedAttention throughput, OpenAI-compatible server, Continuous batching |
| Headquarters | San Francisco, USA | Open source (community) |
| Founded | 2022 | 2023 |
| Open source | No | Yes |
Key differences
- vLLM has a higher user rating (4.8★ vs 4.3★).
- Together AI is Paid, while vLLM is Free.
- vLLM is open source (its code is public), while Together AI is proprietary.
- Together AI runs on Web, API; vLLM runs on Self-hosted, API.
Frequently asked questions
Is Together AI or vLLM better?
By user rating, vLLM scores higher (4.8★ vs 4.3★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, Together AI or vLLM?
Together AI is Paid and vLLM is Free. Check each product page for current plan details.
Are Together AI and vLLM open source?
vLLM is open source, while Together AI is proprietary.