Last9
Last9 provides a unified observability platform that integrates metrics, logs, traces, and APM into a single view, enabling teams to triage issues faster and maintain…
Our verdict
Who it's for
Unified observability for developers, SREs, and AI agents to triage faster and ship code with confidence.
Who should look elsewhere
Specific limitations on data retention and alert rules for the free tier.
Pros
- +Eliminates data sampling, providing full fidelity during incidents.
- +AI-powered insights and debugging accelerate root cause analysis.
- +Cost-effective with no per-host/node/user pricing and real-time cost monitoring.
- +Seamless integration with existing tools and open standards (OTel, Prometheus).
- +Reduces alert storms with built-in deduping and contextual alerting.
Cons
- −Specific limitations on data retention and alert rules for the free tier.
- −Advanced features like SLO monitoring and cold storage are not available in lower tiers.
- −Requires integration with existing telemetry sources, which might involve initial setup.
Key features
- ✓Unified view for metrics, logs, traces, and APM
- ✓AI-native copilots for alert explanation and RCA
- ✓Control Plane for real-time telemetry ingestion management
- ✓High-cardinality visibility without data sampling
- ✓User Monitoring (RUM) for frontend and backend correlation
- ✓Advanced alerting with GitOps support and anomaly detection
- ✓Compatibility with existing telemetry sources (OTel native, Prometheus compatible)
- ✓One-click import for Datadog/Grafana dashboards and monitors
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | 100M events monthly; Unlimited team members; 10 ingestion rules |
| Pro | $280 | month | 1B events / mo; Everything in the Free Plan; Unlimited events, usage pricing applies |
| Enterprise | — | month | Everything in the Pro Plan; Commitment pricing; Custom retention |
Integrations
Slack