AI Gateway vs vLLM

Side-by-side comparison of two AI agent tools

Short answer

  • vLLM is growing faster: +2,933 GitHub stars in the last 30 days vs +323 for AI Gateway.
  • Pick AI Gateway for: a blazing fast AI Gateway with integrated guardrails. Pick vLLM for: a high-throughput and memory-efficient inference and serving engine for LLMs.

From GitHub data refreshed daily.

AI Gatewayopen-source

A blazing fast AI Gateway with integrated guardrails. Route to 200+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.

vLLMopen-source

A high-throughput and memory-efficient inference and serving engine for LLMs

Metrics

AI GatewayvLLM
Stars13.1k93.1k
Star velocity /mo323.368421052631562.9k
Commits (90d)04.0k
Releases (6m)010
Downloads (30d, npm + PyPI)1.9K1.9M
Overall score0.33909452093118890.9233627347430968

Pros

  • +支持1600+模型的大规模路由能力,覆盖主流AI提供商
  • +超高性能表现:<1ms延迟,122kb轻量级架构,日处理100亿tokens验证
  • +企业级可靠性:自动重试、故障转移、负载均衡等生产环境必需功能
  • +Exceptional serving throughput with PagedAttention memory optimization and continuous batching for production-scale LLM deployment
  • +Comprehensive hardware support across NVIDIA, AMD, Intel platforms and specialized accelerators with flexible parallelism options
  • +Seamless Hugging Face integration with OpenAI-compatible API server for easy model deployment and switching

Cons

  • -企业级功能可能对简单用例过于复杂
  • -文档信息不完整,可能存在学习曲线
  • -高级配置和企业部署可能需要技术专业知识
  • -Requires significant GPU memory for optimal performance, limiting accessibility for resource-constrained environments
  • -Complex setup and configuration for distributed inference across multiple GPUs or nodes
  • -Primary focus on inference means limited support for training or fine-tuning workflows

Use Cases

  • •多模型AI应用需要统一API接口和智能路由选择
  • •企业级AI服务要求高可用性、自动故障转移和负载均衡
  • •大规模AI应用需要成本优化和性能监控的网关层
  • •Production API serving for applications requiring high-throughput LLM inference with multiple concurrent users
  • •Research and experimentation with open-source LLMs requiring efficient model switching and testing
  • •Enterprise deployment of private LLM services with OpenAI-compatible interfaces for existing applications

FAQ

Which is more popular, AI Gateway or vLLM?
vLLM has more GitHub stars (93,097 vs 13,121).
Which is more actively developed, AI Gateway or vLLM?
vLLM had more commits in the last 90 days (4,023 vs 0).
Should I use AI Gateway or vLLM?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.