Helicone

AI Gateway & LLM Observability

Also known as
helicone

What is Helicone?

Helicone is a mlops & llmops tools tool. AI Gateway & LLM Observabilityvisit the site

What Helicone does

The capabilities that matter for mlops & llmops tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Tool role
Model gateway / router
Deployment
Self-hostable / OSS core
-
Managed cloud available
-
On-prem / VPC deployment
-
Observability
LLM tracing / observability
Evaluation (offline / LLM-judge / human)
-
Dev
Prompt management + versioning
-
Tracking
Experiment tracking / model registry
-
Serving
Model serving / inference endpoint
-
Interop
OpenTelemetry / OpenLLMetry compatible
-
Framework-agnostic
-
Gateway
Multi-provider model support
-
Data
No-train-on-customer-data guarantee
-
Independently observed

Helicone alternatives

Other mlops & llmops tools we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Helicone, not the verdict.

Balanced composite 31 / 100
low · 22%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities2932.00925.0
Package Downloads3426.00877.6
Github Stars05.000.0-
Integrations018.000.0-
Github Activity018.000.0-
Release Cadence010.000.0-
Security Posture012.000.0-
Stackoverflow Activity012.000.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Adoption

AttributeValueEvidence
Package downloads weekly396highsource · 2026-08-03 · 85%

Features

AttributeValueEvidence
Capabilities{"role":"gateway","llm_observability":true}mediumsource · 2026-08-03 · 60%

Language

AttributeValueEvidence
PrimaryPythonhighsource · 2026-08-03 · 80%

License

AttributeValueEvidence
SpdxApache-2.0highsource · 2026-08-03 · 90%

Reliability

AttributeValueEvidence
Status pageYesmediumsource · 2026-08-03 · 60%