Happy Valley

Logsign vs Tessary

Logsign and Tessary are both uptime & monitoring tools. Logsign is aimed at enterprise and small businesses, while Tessary is aimed at developers and small businesses. Only Tessary has a free plan.

Logsign

Unified SIEM and SOAR platform for security operations

Tessary

Open-source monitoring that finds why production AI agents fail

PricingPaidOpen source
Starting priceNot publishedNot published
Free planNoYes
Free trial——
Built forEnterprise, Small businessesDevelopers, Small businesses, Enterprise
Platformswebweb, linux
CountryTR—
Rating——

Choose Logsign if

Turkish organizations wanting SIEM and SOAR together.

  • SIEM and SOAR in one product
  • Local compliance reporting
  • Faster deployment than large SIEMs

Look elsewhere if: Small companies without security staff.

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).

Logsign vs Tessary pricing

Logsign

  • QuoteCustomNo public pricing; demo on request

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

Logsign · Key features

  • Log collection and correlation
  • Detection rules and alerts
  • SOAR playbooks and automated response
  • Threat intelligence enrichment
  • Compliance reporting (KVKK, ISO 27001)
  • Dashboards and investigations

Cons

  • Smaller global footprint
  • Pricing quote-based
  • Content library smaller than market leaders

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

Logsign vs Tessary: FAQ

Do Logsign and Tessary have a free plan?

Logsign has no free plan. Tessary has a free plan.

Not sure yet?