Unverified50% confidenceFactExact time
LLM中间件生态形成分层结构：编排层有LangChain和LlamaIndex，统一接入层有LiteLLM，网关层有Kong AI Gateway和Portkey，可观测性层有Langfuse、Helicone、Arize Phoenix
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/7/2026
First Seen
Valid until: 10/5/2026
Sources
Otari：开源LLM控制平面工具全面解析
hackernewshackernews7/6/2026
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