Arize Phoenix vs Helicone
Arize Phoenix is listed under Observability, Helicone under Observability. Each name links to the product's own site.
| Category | Observability | Observability |
|---|---|---|
| Pricing | Free | Freemium |
| Public code | Yes | Yes |
| Tags | phoenix, arize, tracing, evals | helicone, logging, cost-tracking, proxy |
| Website | phoenix.arize.com | helicone.ai |
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 Helicone does
Helicone logs LLM requests by sitting in front of the provider API, or through an SDK. It tracks cost, latency and errors per user and prompt, and the code is open source.
Other options
See all Observability, or alternatives to Arize Phoenix and Helicone.