OpenSearch
opensearch.org
NewOpen sourceNo card
Community-driven Apache 2.0 open-source search and vector analytics engine
- Free tier
- Yes
- Per month
- Free
- MCP
- No
Why it's here
Free, self-hostable search engine with strong throughput; expect infrastructure and operations work.
Free tier
100% open-source software, free to run self-hosted
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Last verified
AI Search
#15 of 24Free, self-hostable search engine with strong throughput; expect infrastructure and operations work.
| per month | Open sourceFreeApache 2.0 licensed |
|---|---|
| Free credits | |
| AI use rights | |
| Page contents | |
| Cited answers | |
| Deep research | |
| Extract / crawl | |
| Own index | |
| Zero retention | |
| Predictable bill | |
| Rate limit | 1000 requests/sec |