These tools competes with
HeliconevsArize Phoenix
LLM observability, cost tracking, request logging versus ML/LLM observability and evaluation platform
Compare interactively in Explore →Choose Helicone when…
- •You want one-line LLM observability setup
- •Caching LLM responses to cut costs matters
- •You're an early-stage startup optimizing quickly
Choose Arize Phoenix when…
- •You need ML observability beyond just LLMs
- •RAG pipeline tracing and eval integration is required
- •You're running experiments and need a notebook-friendly tool
Side-by-side comparison
Field
Helicone
Arize Phoenix
Category
Observability
Observability
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Pro: Usage-based
Enterprise: Custom
GitHub Stars
⭐ 2,500
⭐ 4,000
Health
●95 — Active
●90 — Active
Helicone
Open-source LLM observability platform. One-line integration to log every LLM request, track costs, and debug slow or failing calls.
Shared Connections1 tools both integrate with
Only Helicone (7)
LiteLLMLangSmithArize PhoenixOpenAI APIAnthropic APITraceloopLogfire
Only Arize Phoenix (2)
HeliconeLangWatch
Explore the full AI landscape
See how Helicone and Arize Phoenix fit into the bigger picture — 235 tools, 543 relationships, all mapped.