Dynatrace vs Tessary
Dynatrace and Tessary are both uptime & monitoring tools. Dynatrace is aimed at enterprise and developers, while Tessary is aimed at developers and small businesses. Only Tessary has a free plan.
AI-driven observability and app security for large cloud estates
Open-source monitoring that finds why production AI agents fail
| Pricing | Paid | Open source |
| Starting price | Not published | Not published |
| Free plan | No | Yes |
| Free trial | 15 days | — |
| Built for | Enterprise, Developers | Developers, Small businesses, Enterprise |
| Platforms | web | web, linux |
| Country | US · 2005 | — |
| Rating | — | — |
Choose Dynatrace if
Large enterprises running complex hybrid or Kubernetes environments that want automatic instrumentation and AI root-cause analysis.
- Automatic discovery and instrumentation save weeks of manual setup
- Root-cause analysis cuts alert noise better than threshold-based tools
- One platform covers APM, infrastructure, logs, RUM and runtime security
Look elsewhere if: Startups and small teams that need a cheap, self-serve monitoring tool (Datadog, New Relic or Grafana Cloud are easier entry points).
Choose Tessary if
Engineering teams running AI agents in production with OpenTelemetry traces who want every trace checked and failures explained.
- Apache 2.0 open source with free self-hosting
- Checks every trace instead of a sampled subset
- RCA links failures to specific commits when a repo is connected
Look elsewhere if: Teams that want a mature, fully supported observability suite or an eval-first workflow (Datadog, Braintrust).
Dynatrace vs Tessary pricing
Dynatrace
- Foundation & Discovery$7/host/moBasic host health and discovery; billed per host-hour
- Infrastructure Monitoring$29/host/moHosts, processes and networks; $0.04 per host-hour
- Full-Stack Monitoring$58/8 GiB host/moAPM, tracing, code-level analysis; Kubernetes pods included
- Log Analytics$0.20/GiBIngest price; retention and queries billed separately or bundled
- Real User Monitoring$2.25/1,000 sessions$4.50 per 1,000 with Session Replay; 35-day retention
Tessary
- Open Source$0Self-host with Docker Compose; all core features
- Cloud Free$010k traces/mo, 1 GB, 30-day retention, $10 one-time RCA credit
- PaidCustomCustom classifiers, managed dedicated instance, Slack support
Dynatrace · Key features
- OneAgent auto-instruments hosts, containers, processes and code with one install
- Smartscape topology map of live service and infrastructure dependencies
- Grail data lakehouse for logs, metrics, traces and events queried with DQL
- Causal AI that collapses alert storms into a single root-cause problem
- Real user monitoring with session replay and synthetic browser checks
- Runtime vulnerability analytics and application protection on monitored hosts
Cons
- Requires an annual spend commitment, so not suited to small teams
- Consumption pricing across many meters is hard to forecast
- DQL and the platform's breadth take real time to learn
Tessary · Key features
- Classifiers run on every production trace with no sampling
- Built-in checks for drift, tool errors, secret leaks and malformed output
- LLM triage groups real deviations into trackable cases
- Root-cause analysis over failing traces and your GitHub repository
- OTLP ingestion over HTTP and gRPC with OpenTelemetry gen_ai conventions
- PII redaction before traces are stored
Cons
- Very new project with a short track record
- Paid plan prices are not published
- Frustration classifier requires your own OpenRouter or TypeSafe key
Dynatrace vs Tessary: FAQ
Do Dynatrace and Tessary have a free plan?
Dynatrace has no free plan, a 15-day free trial. Tessary has a free plan.
Which is better for small businesses, Dynatrace or Tessary?
Tessary lists small businesses as a core audience, while Dynatrace is aimed more at enterprise and developers.