Pick Opik if
agent teams who will stay on OSS $0 or Free Cloud $0 (25k spans, 10 members), then buy Pro Cloud at $19/month when they need 100k spans and 50 seats.
Read the Opik pageOpik vs SigNoz
Our take
Pick Opik if agent teams who will stay on OSS $0 or Free Cloud $0 (25k spans, 10 members), then buy Pro Cloud at $19/month when they need 100k spans and 50 seats. Pick SigNoz if platform teams who will stay on Community Edition $0 (self-host, no card) while they ship a first OTel pipeline, then buy Cloud Teams at $49/month when they want $49 of included usage and no cluster to run.
Opik
agent trace + eval desk
Best for
Opik Spans you can self-host at $0 or rent from $0 Cloud / $19 Pro
SigNoz APM you start at $0 OSS or $49 Cloud
Free plan
Opik $0 · self-host. Full observability + agent testing. Same codebase as hosted. Agent Playground included
SigNoz $0 · self-host. You run the cluster, storage, upgrades, and backups. Community Slack. No Teams chat / email support
Lowest paid
Opik Not published by the vendor
SigNoz Enterprise $4/mo
Next step up
Opik
SigNoz Startup program $19/mo
Coding agent
Opik Experiments + datasets
SigNoz
Runs where
Opik Local; you host it
SigNoz Local; you host it
Watch out
Opik Free Cloud is 25k spans
SigNoz Cloud has a $49 floor
Last checked
Opik 2026-10-22 · comet.com/site/pricing
SigNoz 2026-10-22 · signoz.io/pricing
Which one, then?
Pick SigNoz if
platform teams who will stay on Community Edition $0 (self-host, no card) while they ship a first OTel pipeline, then buy Cloud Teams at $49/month when they want $49 of included usage and no cluster to run.
Read the SigNoz page