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Axiom vs Datadog: pricing, quotas & features (2025)

Observability for logs, traces, events — serverless-first, infinite scale
vs. Enterprise cloud monitoring — infra, APM, logs, RUM, security, LLM

Data sourced from vendor documentation · Last updated May 2026

Axiom websiteDatadog website

Summary

Axiom and Datadog are both monitoring platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Datadog's paid plans start at $15/month, lower than Axiom's entry point at $25/month. Datadog has a broader documented feature set (19 vs 15 features). Budget-sensitive teams will find Datadog easier to justify early on. All pricing and quota data below is sourced from Axiom and Datadog's official documentation — not generated by AI or estimated.

Axiom vs Datadog: Comparativa de precios, cuotas y características (2025)

En esta comparativa analizamos Axiom y Datadog lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.

Axiom es una plataforma de la categoría monitoringObservability for logs, traces, events — serverless-first, infinite scale. Ofrece 7 tiers de precio: Personal (Free) gratuito, Axiom Cloud desde $25/mes, RBAC Add-on desde $50/mes, Audit Logs Add-on desde $50/mes. Su catálogo en Staxly documenta 15 características y 9 interfazes para desarrolladores.

Datadog pertenece a la categoría monitoringEnterprise cloud monitoring — infra, APM, logs, RUM, security, LLM. Ofrece 11 tiers de precio: Serverless Monitoring gratuito, Free gratuito, Logs Ingestion gratuito, Logs Standard Index gratuito. Su catálogo documenta 19 características y 12 interfazes para desarrolladores.

A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.

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Pricing tiers

Axiom

Personal (Free)
No credit card. 500 GB/month ingest, 10 GB-hr compute, 25 GB storage, 30-day retention max.
Free
Axiom Cloud
$25/month minimum platform fee. Volume-based ingest + query credits. Always-free allowances: 1 TB/mo ingest, 100 GB-hr queries, 100 GB storage.
$25/mo
RBAC Add-on
+$50/month for role-based access control.
$50/mo
Audit Logs Add-on
+$50/month for audit logs.
$50/mo
Directory Sync Add-on
+$100/month for SCIM.
$100/mo
SSO Add-on
+$100/month for SAML SSO.
$100/mo
Enterprise
Custom. Dedicated cluster option, private connectivity, SLA.
Custom
Axiom website

Datadog

Serverless Monitoring
$0.13 per month per 1M invocations.
$0 base (usage-based)
Free
Up to 5 hosts, 1-day metric retention. Community edition of Agent.
Free
Logs Ingestion
$0.10 per ingested/scanned GB per month.
$0 base (usage-based)
Logs Standard Index
$1.70 per million log events/month.
$0 base (usage-based)
Logs Flex Storage
$0.05 per million events stored/month.
$0 base (usage-based)
Infra Pro
Per host per month (annual billing). 15-month metric retention, 500+ integrations.
$15/mo
Infra Enterprise
Per host. Advanced features, Network Flow Monitoring.
$23/mo
APM
Per host (with Infra attached). Distributed tracing.
$31/mo
APM Pro
Per host. Continuous Profiler + Data Streams Monitoring.
$35/mo
APM Enterprise
Per host. App & API Protection + more.
$40/mo
Enterprise
Volume discounts, dedicated CSM, regional data residency.
Custom
Datadog website

Free-tier quotas head-to-head

Comparing personal on Axiom vs free on Datadog.

MetricAxiomDatadog
ingest gb month500 GB/month
query compute gb hr10 GB-hr/month
retention max days30 days
storage gb25 GB

Features

Axiom · 15 features

  • API TokensScoped tokens for ingest or query.
  • APL (query language)Axiom Processing Language — Kusto-inspired pipes (`|`). Fast + expressive.
  • AWS Lambda ExtensionNative extension to ship Lambda logs + traces.
  • Cloudflare IntegrationWorkers + Pages log drain. Log pull from any Cloudflare zone.
  • DashboardsVisualizations from APL queries: line/bar/pie/heatmap/table.
  • DatasetsLogical partitions of data. Schema-free; fields auto-indexed.
  • Elastic Bulk API compatElasticsearch Bulk API endpoint — drop-in replacement.
  • Field ExplorerAuto-detected field stats, histograms, top-values per dataset.
  • Monitors (alerts)Threshold + anomaly-based alerting on APL queries. Route to Slack/PagerDuty/emai
  • OpenTelemetry-nativeIngest OTLP/HTTP + gRPC. No proprietary agent.
  • Saved QueriesSave + share APL queries as starters.
  • Stream (live tail)Live tail of incoming events with filter bar.
  • TracesOpenTelemetry-native. Distributed tracing across services.
  • Vercel IntegrationOne-click: Vercel logs + Web Vitals → Axiom.
  • next-axiomNext.js logger with automatic correlation + Web Vitals capture.

Datadog · 19 features

  • APMDistributed tracing + service catalog + code hotspots.
  • Application SecurityRuntime attack detection, threat intelligence, IAST.
  • CI VisibilityTest + pipeline performance analytics.
  • Cloud SIEMSecurity events correlation, detection rules, audit trails.
  • Continuous ProfilerAlways-on CPU, memory, lock profiling in production.
  • DashboardsPre-built + custom dashboards.
  • Database MonitoringSlow query detection for Postgres, MySQL, Mongo, Oracle, SQL Server.
  • Incident ManagementBuilt-in incident response with postmortems.
  • Infrastructure MonitoringHost, container, k8s metrics. 700+ integrations. Live process + container maps.
  • LLM ObservabilityOpenAI, Anthropic, etc. trace + cost + prompt eval.
  • Log ManagementIngest any logs, structured or raw. Pipelines, parsing, archives to S3.
  • MonitorsAnomaly, forecast, outlier, composite monitors.
  • Network Performance MonitoringPacket-level analysis, flow monitoring.
  • NotebooksRunbook-style dashboards with queries + docs.
  • Real User MonitoringFrontend performance, JS errors, user sessions, Core Web Vitals.
  • Serverless MonitoringAWS Lambda, Google Cloud Functions, Azure Functions observability.
  • Service CatalogService inventory with ownership + documentation.
  • SyntheticsSynthetic HTTP + browser tests, API tests, mobile tests.
  • Workflow AutomationNo-code workflows triggered by events.

Developer interfaces

KindAxiomDatadog
CLIAxiom CLIDatadog Agent
SDK@axiomhq/js, axiom-go, axiom-py, axiom-rs, next-axiomdd-trace (Node), dd-trace-dotnet, dd-trace-go, dd-trace-java, dd-trace-js (RUM), ddtrace (Python), ddtrace (Ruby)
RESTAxiom REST API, Ingest HTTP endpointDatadog REST API
MCPAxiom MCPDatadog MCP
OTHEROpenTelemetry (OTLP), Webhooks

Key takeaways

  • Both Axiom and Datadog offer a free tier — Axiom ("Personal (Free)") and Datadog ("Serverless Monitoring") — with no credit card required to start.
  • The entry-level paid plan is $25/month for Axiom (Axiom Cloud) vs. $15/month for Datadog (Infra Pro).
  • Datadog has a broader documented feature set (19 features) vs. Axiom (15 features) in Staxly's catalog.
  • Developer integrations differ: only Datadog offers OTHER.
Staxly is an independent catalog of developer platforms. Some links to Axiom and Datadog may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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