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Overage / Compare / Monitoring

Axiom vs PostHog pricing

Verified 2026-10-24 (1 day ago)Source: Axiom: axiom.co/pricing, PostHog: posthog.com/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Axiom and PostHog at three volumes and at your own
VolumeAxiomPostHog
small5 gb of logs ingested$0 / moPersonal$0 / moFree
growing100 gb of logs ingested$0 / moPersonalno listed price
scale2K gb of logs ingestedno listed priceno listed price
your volumeset above$0 / moPersonalno listed price

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Axiom and PostHog aligned by position: free, entry, mid, top
PositionAxiomPostHog
Free$0 / moPersonal · 500 gb of logs ingested / mo$0 / moFree · 1,000,000 events / errors / spans / mo
Entry$25 / moAxiom Cloud · 1,000 gb of logs ingested / mo$0 base + usagePay-as-you-go · 1,000,000 events / errors / spans / mo
Midno tierno tier
Topno tierno tier

Tightest rate limit

Tightest documented rate limit of each service
MeasureAxiomPostHog
Tightest limitunlistedunlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.