AI ranking change · 2026-06-30
ClickHouse overtakes TimescaleDB as ChatGPT's #1 pick
for time-series database
TimescaleDB→ClickHouse
On 2026-06-30, ChatGPT changed its #1 recommendation for best time-series database — dropping TimescaleDB from the top spot in favor of ClickHouse. The previous #1 had held since 2026-06-30.
“Best overall for large-scale time-series analytics: extreme ingest/query speed, strong compression, mature SQL, materialized views, clustering, and a broad cloud/self-hosted ecosystem”— ChatGPT
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