vLLM
The de facto open-source inference engine for LLM serving.
Full vLLM record →Head to head
vLLM vs Fireworks AI
vLLM (vLLM (PyTorch Foundation)) and Fireworks AI (Fireworks AI) both sit in Infrastructure & Serving. Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | vLLM vLLM (PyTorch Foundation) | Fireworks AI Fireworks AI |
|---|---|---|
| Segment | Infrastructure & Serving | Infrastructure & Serving |
| Version | 0.1x | 2025 |
| Entry cost | Open source | Per-token usage |
| Pricing tiers | — | — |
| Model stack | serves any open weights | Llama · Qwen |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 0 |
| Origin | Global | Global |
| Capabilities | PagedAttention, Continuous batching, Speculative decode | Fast serving, FireAttention, Fine-tuning |
Fireworks AI
Low-latency serving for open models and custom fine-tunes.
Full Fireworks AI record →