Alternatives

Alternatives to Helicone

7 LLM Evals & Observability rivals, ranked by the same evidence-graded leaderboard — Helicone itself ranks #4 with a PA Score of 34/100. Every “beats Helicone on” below comes from a judged head-to-head round with cited evidence — see the methodology.

#1
Braintrust
Braintrust Data, Inc.
PA Score 38/100vs Helicone →
coverage
43.8/100
Beats Helicone on: Connect an agent via an official MCP server · Compare eval runs side by side to catch regressions between prompt or model versions
#2
Cekura
Cekura
PA Score 36/100vs Helicone →
coverage
31.7/100
Beats Helicone on: Connect an agent via an official MCP server · Score outputs with configurable LLM-as-a-judge evaluators
#3
W&B Weave
Weights & Biases (CoreWeave)
PA Score 35/100vs Helicone →
coverage
41.8/100
Beats Helicone on: Connect an agent via an official MCP server · Score outputs with configurable LLM-as-a-judge evaluators
#5
Langfuse
Langfuse GmbH
PA Score 34/100vs Helicone →
coverage
49.4/100
Beats Helicone on: Send and receive traces over OpenTelemetry (OTLP) instead of a proprietary format · Connect an agent via an official MCP server
#6
Arize Phoenix
Arize AI, Inc.
PA Score 32/100vs Helicone →
coverage
43.5/100
Beats Helicone on: Send and receive traces over OpenTelemetry (OTLP) instead of a proprietary format · Connect an agent via an official MCP server
#7
LangSmith
LangChain, Inc.
PA Score 23/100vs Helicone →
coverage
38.6/100
Beats Helicone on: Send and receive traces over OpenTelemetry (OTLP) instead of a proprietary format · Compare eval runs side by side to catch regressions between prompt or model versions
#8
Galileo
Galileo
PA Score 19/100vs Helicone →
coverage
24.8/100
Beats Helicone on: Connect an agent via an official MCP server · Score outputs with configurable LLM-as-a-judge evaluators

Full leaderboard: LLM Evals & Observability arena →