Our take
Pick OpenObserve if platform / SRE teams who will self-host OSS at $0, stay on Self-Hosted Enterprise free through 50 GB/day, or start the 14-day Cloud trial and land on $0.50/GB ingest + $0.01/GB query when they want logs without a per-host Datadog card. Pick OpenReplay if product / eng teams who will stay on OSS self-host $0 while they record a first session, then start the Dedicated 7-day trial (no card) and land
Best for
OpenObserve Logs you start at $0.50/GB or OSS $0
OpenReplay Replays you start at OSS $0 or Dedicated $199
Free plan
OpenObserve $0 · , “free forever” (pricing FAQ). AGPL-3.0 (GitHub)
OpenReplay $0 · you host it. Session replay, DevTools, product analytics, co-browse, Spot, MCP. Low-traffic / self-managed storage. Any cloud
Lowest paid
OpenObserve Not published by the vendor
OpenReplay Not published by the vendor
Runs where
OpenObserve Local or hosted
OpenReplay Local; you host it
Watch out
OpenObserve $0.50/GB ingest + $0.01/GB query is the Cloud meter
OpenReplay Dedicated’s floor is $199
Last checked
OpenObserve 2026-10-22 · openobserve.ai/pricing
OpenReplay 2026-10-22 · openreplay.com/pricing
platform / SRE teams who will self-host OSS at $0, stay on Self-Hosted Enterprise free through 50 GB/day, or start the 14-day Cloud trial and land on $0.50/GB ingest + $0.01/GB query when they want logs without a per-host Datadog card.
Read the OpenObserve pageproduct / eng teams who will stay on OSS self-host $0 while they record a first session, then start the Dedicated 7-day trial (no card) and land on $199/month when they do not want to run the stack.
Read the OpenReplay page
