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vLLM

vLLM Project · Open models
The standard high-throughput serving engine for open models.

vLLM is the open-source inference engine most providers run under the hood, with paged attention, continuous batching and an OpenAI-compatible server.

4.0(1)Open sourceused by 198+ StackOpen vLLM ↗

What worked, what broke · 1 review

4.0
out of 5
100% would recommend it
@sammyharrison58
Sammy HarrisonOct 2026 · 4 months in
Senior System Engineer at Harris Apex · $0–$100K ARR
Worked: Extremely fast and efficient LLM serving. Great throughput and memory handling.
Broke: Can be complex to configure. Newer models sometimes lag in support.
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