Logs
Log ingestion, search and retention. 14 vendors tracked, 3 with a verified free tier.
Axiom
Axiom’s $0 plan (500 GB/mo loading compute, 25 GB storage, no card) is the most generous verified logging offer. Logz.io, Papertrail, Mezmo and Coralogix are trial or paid only per their pages, so budget accordingly if you pick them.
Based only on the plan limits recorded below; limits change — check sources.
All Logs vendors
Axiom
Free tier500 GB/mo data loading compute; 10 GB-hours query compute; 25 GB storage; no card
Grafana Cloud
Free tierAll Grafana Cloud services with usage limits; 10k active metric series; 14-day retention
Graylog
Free tierFree permanently; no daily ingest cap or volume limit (self-hosted)
Coralogix
No free tier14-day free trial (8 units quota); usage-based from $0.42/GB logs
Elastic Observability
No free tierFree trial of Elastic Cloud (serverless/hosted); self-managed option
Loggly
No free tier30-day full-featured free trial
Logz.io
No free tier14-day free trial only
Mezmo
No free tierNo free tier stated on pricing page
Observe
No free tierFree trial
OpenObserve
No free tier14-day free trial (cloud); open-source self-host
Papertrail
No free tierFree trial only; from $5/GB/month
Sematext
No free tier14-day free trial
Sumo Logic
No free tierFree trial; "$0 ingest" model, billed by scans
Parseable
UnverifiedNot yet reviewed — see snapshot excerpt
Get the Logs watchlist weekly
When any of these 14 vendors changes a free tier or price, you’ll hear first.