Unverified50% confidenceEventExact time
2021年Elastic公司因AWS将其Elasticsearch包装为云服务竞争，将许可证从Apache-2.0改为ELv2，催生了OpenSearch等社区分叉项目
1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
LLM评测工具横评：LangSmith、Langfuse等五款工具深度对比
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