Perplexity unveils CobbleDB, its custom database for AI search, and plans to open-source it
Key Info
Perplexity unveiled CobbleDB, a custom key-value database built for repeated batch reads of prepared page records, and says it will open-source it to help other teams building AI search.
Highlights
- Replacing DynamoDB cut median batch-read latency from 31.4 ms to 5.60 ms, with p99 dropping from 123 ms to 24.2 ms.
- CobbleDB was built by two engineers with support from many proactive AI agents, highlighting an AI-assisted engineering workflow.
- The open-source release is aimed at teams that need similar performance and cost optimization for AI search workloads.