# vLLM vs SGLang (2026): RadixAttention vs PagedAttention

> LLM-readable article card for ThreatFrontier.com. Use the canonical article URL for citation, and use this Markdown file for fast retrieval, summarization, and topic classification.

## Canonical Source
- [Canonical article](https://threatfrontier.com/articles/vllm-vs-sglang-radixattention-pagedattention-agentic-benchmarks): Full public article page.
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## Article Metadata
- Title: vLLM vs SGLang (2026): RadixAttention vs PagedAttention
- Summary: In-depth benchmark of vLLM vs SGLang: RadixAttention vs PagedAttention for agentic loops and RAG. Prefix caching TTFT, concurrency, and memory fragmentation.
- Published: Sep 19, 2026, 2:07 AM EDT
- Updated: Sep 19, 2026, 2:17 AM EDT
- Category: Research
- Primary topic: Vllm Vs Sglang
- Authors: Owen Park
- Read time: 10 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

## Topic Links
- [Research](https://threatfrontier.com/categories/research): Category archive for related coverage.
- [Vllm Vs Sglang](https://threatfrontier.com/tags/vllm-vs-sglang): 2 public articles in this topic.

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