Arize Phoenix vs Datadog LLM Observability
Arize Phoenix is listed under Observability, Datadog LLM Observability under Observability. Shared focus: tracing. Each name links to the product's own site.
| Category | Observability | Observability |
|---|---|---|
| Pricing | Free | Paid |
| Public code | Yes | No |
| Tags | phoenix, arize, tracing, evals | datadog, apm, tracing, enterprise |
| Website | phoenix.arize.com | datadoghq.com |
What Arize Phoenix does
Phoenix is a free tool you can self-host for tracing and evaluating LLM apps and agents. It accepts OpenTelemetry data and runs in a notebook, in a container or on Arize's hosted service.
What Datadog LLM Observability does
Datadog's LLM Observability traces prompts, tool calls and agent steps, and ties them to the rest of an app's metrics and logs. It suits teams that already use Datadog for monitoring.
Other options
See all Observability, or alternatives to Arize Phoenix and Datadog LLM Observability.