Axiom
Fully managed, petabyte-scale log and event platform built for AI-native observability.
Best for
Teams that want Splunk-like log querying at a fraction of the cost, with AI-agent query access built in.
Skip if
You need every enterprise security feature bundled in rather than purchased as separate add-ons.
What is Axiom?
Axiom is a managed data platform for logs, traces, metrics, and events that ingests data schema-less at massive scale without requiring users to run their own infrastructure. It uses its own APL query language and a highly compressed storage engine to keep unlimited-retention log data queryable and affordable, aiming to displace legacy tools like Splunk with a modern, cost-efficient alternative. Beyond raw storage and query, Axiom leans into AI-native workflows: it ships an MCP server so coding agents like Claude can query telemetry directly, and it offers a Splunk App integration for side-by-side migrations. Pricing is usage-based with a permanent free tier (500 GB/mo ingest, 30-day retention) and a $25/month Cloud plan plus usage for teams that need more scale, retention control, and enterprise add-ons like SSO and audit logs.
SpecificationsAI-estimated
Key Features of Axiom
Use Cases for Axiom
Centralized application logging
Collect logs from distributed services into one searchable, long-retention store.
Splunk cost migration
Move workloads off Splunk while keeping a similar query experience via the Splunk App integration.
AI-assisted incident response
Let coding agents query production telemetry through the MCP server during debugging.
Event and product analytics
Ingest arbitrary structured events for later analysis without predefining a schema.
Pros & Cons of Axiom
Pros
- Permanent free tier with 500 GB/month ingest and no credit card required
- Very high data compression keeps long-retention storage costs low
- Native MCP support lets AI agents query observability data directly
- Usage-based pricing avoids per-seat licensing costs common in this category
Cons
- Enterprise security features (SSO, RBAC, audit logs, directory sync) are unbundled paid add-ons rather than included
- APL is a proprietary query language, adding a learning curve versus SQL or PromQL
- Documentation and tooling are less mature than long-established players like Datadog or Splunk
Frequently Asked Questions
Is there a free plan?
Yes, Axiom's Personal plan is permanently free and includes 500 GB/month of data ingest with 30-day retention.
How is Axiom priced?
Axiom Cloud charges a $25/month platform fee plus usage-based pricing for ingest, compute, and storage beyond the included allowance.
Does Axiom require me to define a schema?
No, Axiom uses schema-on-read ingestion, so you can send structured or semi-structured data without predefining fields.
Can AI agents query Axiom data?
Yes, Axiom ships a native MCP server that lets tools like Claude query telemetry data directly.
Pricing Overview
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