Our take
Pick Axiom if app / platform teams who will stay on Personal $0 (500 GB load, 10 GB-hours query, 25 GB store, 30-day retention, no card) while they ingest a first dataset, then buy Cloud at $25/month when they want the Always Free 1 TB / 100 GB-hours / 100 GB envelope and configurable retention. Pick Langfuse if teams shipping LLM apps who need traces and a cost tile, not another chat UI. Skip Langfuse if people who
Best for
Axiom Logs you start on Personal at $0 (no card) or Cloud at $25 + usage
Langfuse Debug and cost-track generations
Free plan
Axiom $0 · /month, permanent, no card. 500 GB/mo data-loading compute. 10 GB-hours/mo query compute. 25 GB storage. 30-day retention
Langfuse $0 · for the MIT core. ee/ is not the community license
Lowest paid
Axiom Storage $0.03
Langfuse Enterprise $2/mo
Next step up
Axiom Data loading (ingest) $0.12
Langfuse Core $29/mo
Runs where
Axiom Local; you host it
Langfuse Local or hosted
Watch out
Axiom Personal is 25 GB stored and 30-day retention
Langfuse Hobby is two users and 30-day retention
Last checked
Axiom 2026-10-22 · axiom.co/pricing
Langfuse 2026-10-19 · langfuse.com/pricing
app / platform teams who will stay on Personal $0 (500 GB load, 10 GB-hours query, 25 GB store, 30-day retention, no card) while they ingest a first dataset, then buy Cloud at $25/month when they want the Always Free 1 TB / 100 GB-hours / 100 GB envelope and configurable retention.
Read the Axiom pageteams shipping LLM apps who need traces and a cost tile, not another chat UI.
Read the Langfuse page
