Happy Valley

beacon.sh vs Datadog

beacon.sh and Datadog are both uptime & monitoring tools. beacon.sh is aimed at developers and enterprise, while Datadog is aimed at enterprise and developers. Both have a free plan.

beacon.sh

Open-source memory layer that carries lessons across coding agents

Datadog

Cloud monitoring and security platform

PricingOpen sourceFreemium · $18
Starting priceNot published$18/mo
Free planYesYes
Free trial—14 days
Built forDevelopers, Enterprise, Small businessesEnterprise, Developers
Platformsmacos, windows, linux, webweb
CountryUSUS · 2010
Rating——

Choose beacon.sh if

Developers and engineering teams using several AI coding agents who want shared, reviewed memory and a full record of agent activity.

  • MIT-licensed core that runs locally without lock-in to one harness
  • One timeline for every agent and machine, including token spend
  • Turns repeated walkthroughs into skills every agent can reuse

Look elsewhere if: Teams that only need a shared knowledge store for agents and people, or want to train their own models from traces (Context Engine, Overmind).

Choose Datadog if

Scale-ups and enterprises running complex cloud infrastructure with budget for observability.

  • Broadest observability coverage in one tool
  • Excellent dashboards and correlation
  • 900+ integrations

Look elsewhere if: Startups and small teams (Grafana Cloud free, Better Stack, Sentry).

beacon.sh vs Datadog pricing

beacon.sh

  • Open source$0MIT-licensed local endpoint, JSONL traces, local dashboard
  • Beacon Cloud$020+ agents, 50 findings, session search over MCP, daily digest
  • Cloud Pro$20/moBilled annually (save 25%); unlimited findings, memories over MCP
  • Cloud Team$30/seat/moBilled annually plus $10/mo base, up to 20 seats, shared traces
  • EnterpriseCustomApproval gates, SSO, RBAC, audit logs, your own bucket and region

Datadog

  • Free$0Up to 5 hosts, 1-day metric retention
  • Infrastructure Pro$18/host/moOn-demand; $15 billed annually
  • Infrastructure Enterprise$27/host/moOn-demand; $23 billed annually
  • APM$36/host/moOn-demand; $31 billed annually with Infrastructure
  • Log Management$0.10/GB ingestedIngest only; indexing billed separately

beacon.sh · Key features

  • Session capture across Claude Code, Cursor, Codex, OpenCode and 20+ other harnesses
  • OpenTelemetry-based event model stored as local JSONL by default
  • Reviewed memories and skills served to agents over MCP and Agent Skills
  • Cloud findings with one-click skills, fix prompts and an evidence trail
  • Full session replay with prompts, commands, edits, approvals and tokens
  • Terminal trace browser and read-only local dashboard

Cons

  • Pro and Team prices are shown only with annual billing
  • Team price is listed as $30 per seat in one place and $40 in the comparison table
  • Free cloud tier caps findings at 50

Datadog · Key features

  • Infrastructure metrics and host maps
  • APM, distributed tracing and continuous profiler
  • Log management with pipelines and archives
  • RUM, session replay and synthetic monitoring
  • Security monitoring and cloud SIEM
  • Incident management and Bits AI

Cons

  • Expensive and complex pricing
  • Costs grow with hosts and log volume
  • Easy to overspend on custom metrics

beacon.sh vs Datadog: FAQ

Do beacon.sh and Datadog have a free plan?

Yes, both beacon.sh and Datadog have a free plan; paid plans add more usage and features.

Which is better for small businesses, beacon.sh or Datadog?

beacon.sh lists small businesses as a core audience, while Datadog is aimed more at enterprise and developers.

Not sure yet?