Datadog vs Lightstep: Observability & APM Comparison (2026)
Datadog offers a starting price of $500 for 500 credits per month. It provides features like telemetry visibility via Bits Chat, automated investigations with Bits Investigation, AI integration in code fixes, and custom agent building. Lightstep does not publicly list its starting price or free tier information. Its key features include custom quotes, predictable unit-based pricing, and scalability. Lightstep emphasizes results-driven solutions and flexible pricing, while Datadog highlights its AI integration and automation capabilities.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask observability & apm questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Gain telemetry visibility via Bits Chat
- ✓Automate investigations with Bits Investigation
- ✓Integrate AI in code fixes
- ✓Build custom agents for workflows
- ✓Custom quotes available
- ✓Predictable pricing based on units
- ✓Scalability for growth
- ✓Evaluation of needs included
When to choose Datadog
Datadog is suitable for users who require robust AI integration and extensive automation capabilities in their observability and APM platform. It is also beneficial for those who need real-time telemetry insights and user-friendly tools for custom agent creation. Its starting price is $500 for 500 credits per month with no free tier.
When to choose Lightstep
Lightstep is suitable for users who prefer custom quotes and predictable pricing based on units, with scalability for growth. It is also a good fit for those who are looking for results-driven solutions and effective transformation of their tech estate. Users who require customization and are willing to contact the vendor for pricing and evaluation of needs will find Lightstep a viable option.