02 / Category
Observability
Logging, tracing, and monitoring platforms that ingest telemetry and expose queries, dashboards, and alerts over APIs.
Search observability or any THI vendor
Ranked by band, then Headless Index
41 vendors scored
| Honeycomb | A | 78/100 | 90.2/100 | MAY 21, 2026 | — |
| Grafana | A | 78/100 | 77.4/100 | MAY 21, 2026 | +21 |
| LangSmith | B | 81/100 | 72.6/100 | MAY 21, 2026 | — |
| Dynatrace | B | 72/100 | N/A | MAY 21, 2026 | +13 |
| Langfuse | B | 69/100 | 78.3/100 | MAY 21, 2026 | -16 |
| Sumo Logic | B | 68/100 | N/A | MAY 21, 2026 | — |
| SigNoz | B | 68/100 | N/A | MAY 21, 2026 | — |
| Weights & Biases | B | 63/100 | 70.6/100 | MAY 21, 2026 | — |
| Logz.io | B | 62/100 | N/A | MAY 21, 2026 | — |
| Elastic | C | 86/100 | 52.8/100 | MAY 21, 2026 | — |
| Datadog | C | 59/100 | N/A | MAY 21, 2026 | -31 |
| Uptrace | C | 59/100 | N/A | MAY 21, 2026 | — |
| Instana | C | 58/100 | N/A | MAY 21, 2026 | — |
| Chronosphere | C | 58/100 | 68.2/100 | MAY 21, 2026 | — |
| Splunk | C | 56/100 | N/A | MAY 21, 2026 | — |
| New Relic | C | 56/100 | N/A | MAY 21, 2026 | -2 |
| Coralogix | C | 56/100 | N/A | MAY 21, 2026 | — |
| Axiom | C | 56/100 | N/A | MAY 21, 2026 | +56 |
| Mezmo | C | 54/100 | N/A | MAY 21, 2026 | — |
| Lightstep (ServiceNow Cloud Observability) | C | 54/100 | N/A | MAY 21, 2026 | — |
| AppDynamics | C | 54/100 | N/A | MAY 21, 2026 | — |
| LogRocket | C | 52/100 | N/A | MAY 21, 2026 | +52 |
| Highlight | C | 52/100 | N/A | MAY 21, 2026 | — |
| Loggly | C | 46/100 | N/A | MAY 21, 2026 | — |
| Better Stack | C | 46/100 | N/A | MAY 21, 2026 | — |
| Helicone | C | 44/100 | 48.3/100 | MAY 21, 2026 | — |
| OpenObserve | C | 43/100 | N/A | MAY 21, 2026 | — |
| HyperDX | D | 38/100 | 97.2/100 | MAY 21, 2026 | — |
| Sentry | F | 78/100 | 24.5/100 | MAY 21, 2026 | -16 |
| Promptfoo | F | 25/100 | N/A | MAY 21, 2026 | — |
| Patronus AI | F | 25/100 | N/A | MAY 21, 2026 | — |
| Papertrail | F | 25/100 | N/A | MAY 21, 2026 | — |
| Observe | F | 25/100 | N/A | MAY 21, 2026 | — |
| Logfire | F | 25/100 | 87.2/100 | MAY 21, 2026 | — |
| Lakera | F | 25/100 | N/A | MAY 21, 2026 | — |
| Groundcover | F | 25/100 | N/A | MAY 21, 2026 | — |
| GreptimeDB | F | 25/100 | N/A | MAY 21, 2026 | — |
| Galileo | F | 25/100 | N/A | MAY 21, 2026 | — |
| Middleware | F | 13/100 | N/A | MAY 21, 2026 | — |
| Last9 | F | 13/100 | N/A | MAY 21, 2026 | — |
| Dash0 | F | 13/100 | N/A | MAY 21, 2026 | — |
Comparison
Top 5 across the Headless Index axes
·click to toggle, double-click to isolate
Explore the Index
All vendors →