Expired50% confidenceFactExact time
The LLM middleware ecosystem forms a layered structure: the orchestration layer includes LangChain and LlamaIndex, the unified access layer includes LiteLLM, the gateway layer includes Kong AI Gateway and Portkey, and the observability layer includes Langfuse, Helicone, and Arize Phoenix.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/7/2026
First Seen
Valid until: 10/5/2026(expired)
Sources
Otari：开源LLM控制平面工具全面解析
hackernewshackernews7/6/2026
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