Unverified50% confidenceSolutionExact time
模型网关（Model Gateway）作为统一的请求入口，负责路由分发、负载均衡、速率限制、请求重试和故障转移等功能
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
Related Claims
UnverifiedMainstream open-source solutions for LLM Gateways include LiteLLM and PortKey, with core features covering multi-model routing and failover, rate limiting and circuit breaking, request retry, cost tracking, and load balancing.75% similarUnverified静默模型切换（Silent Model Switching）指平台在高峰期流量压力下不通知用户地将部分请求路由到较低级别模型68% similarUnverifiedAPI relay services essentially establish a proxy layer between the user and the original model provider, reducing latency through request forwarding, load balancing, and cache optimization.66% similarUnverifiedLLM服务中灰度发布通常通过API网关层的流量分割实现，例如将5%请求路由至新模型，95%保持原模型65% similar
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