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SPECIFICTION
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Kong Gateway vs SGLang

Kong Gateway

konghq.com

SGLang

sglang.io

Side by side

FigureKong GatewaySGLang
Price fromFreeFree
Free planYesYes
Free trialYes—
Open source——
WebYes—
macOS—Yes
LinuxYesYes
APIYesYes
Self-hostedYesYes
Plans published71
Spec score · LLM gateways8.2 (#13)8.4 (#11)
PerformanceKong describes its NGINX engine as ultra-lightweight and states it handles 50K+ transactions per second per node.The maker describes production inference from a single GPU to distributed clusters, targeting low latency and high throughput.
PurposeKong Gateway is an open-source API gateway built for hybrid and multi-cloud environments and optimized for microservices and distributed architectures.SGLang is an open-source inference framework for serving large language, vision-language, and diffusion models.
SupportKonnect Plus includes email support with a two-business-day SLA; Enterprise lists dedicated customer success and technical account managers and higher SLAs.The project points users to GitHub issues, Slack, Discord, and community discussions for questions and help.

Plans

Kong Gateway

  • Free trialFree
  • PlusPriced on request
  • EnterprisePriced on request
  • Kong Gateway Open SourceFree
  • Konnect Free trialFree
  • Konnect EnterprisePriced on request
  • Konnect PlusPrice not published

Kong Gateway pricing →

SGLang

  • SGLangFree

SGLang pricing →

In their own words

Kong Gateway

Kong Gateway has no write-up on Specifiction yet; its figures are above.

Visit konghq.com

SGLang

SGLang is a free, open-source inference framework for serving large language, vision-language and diffusion models. It targets agentic workloads, reinforcement-learning rollouts and large-scale serving, from one GPU to distributed clusters. Runtime features include RadixAttention, prefix caching and multi-GPU parallelism. Listed optimizations include disaggregated prefill and decode, speculative decoding, a zero-overhead scheduler and optimized GPU kernels. Supported models include DeepSeek, Qwen, GPT-OSS, Llama, Mistral and GLM. SGLang works with Hugging Face and OpenAI APIs and exposes OpenAI-compatible endpoints. It installs with pip or Docker and supports self-hosted deployment. Hardware support spans NVIDIA and AMD GPUs, Google TPUs, Intel GPUs and CPUs, Apple Silicon, Huawei Ascend NPUs and Moore Threads GPUs. SGLang Diffusion adds image and video generation. The Apache-2.0 license permits open-source use.

Visit sglang.io