Home/Compare/helicone vs openllmetry

Comparison

helicone vs openllmetry

Verdict

Pick helicone if helicone is an open-source platform for monitoring and evaluating large language models, offering tools for prompt engineering and management; pick openllmetry if openLLMetry is an open-source observability tool for GenAI and LLM applications, built on OpenTelemetry, offering Python SDK for easy integration.

Markdown twin · helicone alternatives · openllmetry alternatives

GraphCanon updated Sep 20, 2026

15views this month

helicone logo

helicone

Helicone/helicone

★ 6.2kpushed Sep 16, 2026
vs
openllmetry logo

openllmetry

traceloop/openllmetry

★ 7.4kpushed Sep 17, 2026

Trust & integrity

Signalheliconeopenllmetry
Maintenance
Very active (1d since push)
As of Sep 18, 2026 · github_public_v1
Very active (0d since push)
As of Sep 18, 2026 · github_public_v1
Provenance
Not a fork · Organization account
As of Sep 18, 2026 · github_public_v1
Not a fork · Organization account
As of Sep 18, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Sep 18, 2026 · osv@v1
Published findings
As of Sep 18, 2026 · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

helicone
Open source LLM observability platform
openllmetry
Open-source observability for GenAI or LLM applications based on OpenTelemetry

Stars

helicone
6.2k
openllmetry
7.4k

Forks

helicone
670
openllmetry
1.1k

Open issues

helicone
155
openllmetry
679

Language

helicone
TypeScript
openllmetry
Python

Adopt for

helicone
Helicone is an open-source platform for monitoring and evaluating large language models, offering tools for prompt engineering and management.
openllmetry
OpenLLMetry is an open-source observability tool for GenAI and LLM applications, built on OpenTelemetry, offering Python SDK for easy integration.

Persona

helicone
-
openllmetry
-

Runtime

helicone
-
openllmetry
-

License

helicone
Apache-2.0
openllmetry
Apache-2.0

Last pushed

helicone
Sep 16, 2026
openllmetry
Sep 17, 2026

Categories

helicone
Evaluation & Observability
openllmetry
Evaluation & Observability

Trust and health

Days since push

helicone
1d
openllmetry
0d

Open issues (now)

helicone
155
openllmetry
679

Stars delta

helicone
+89 (30d)
openllmetry
+61 (30d)

Open issues delta

helicone
-15 (30d)
openllmetry
+41 (30d)

OSV dependency advisories

helicone
No lockfile (source not queried)
openllmetry
Published findings

Full report

helicone
Trust report
openllmetry
Trust report

Typed relationship

helicone alternative openllmetryHelicone and OpenLLMetry are both focused on providing open-source observability tools for LLM applications.

Choose helicone if…

  • helicone is primarily TypeScript; openllmetry is Python.
  • Helicone and OpenLLMetry are both focused on providing open-source observability tools for LLM applications.
  • Tags unique to helicone: agent-monitoring, analytics, evaluation, gpt.
  • helicone ships Docker support for self-hosted deployment.
  • When you need to monitor and evaluate the performance of large language models in real-time.

When NOT to use helicone

  • If your project requires proprietary or closed-source tools, as Helicone is open-source and can be self-hosted.
  • When you need a platform that does not require setting up an API key and modifying your codebase to integrate monitoring.
  • If you are looking for a solution that does not support a wide range of models through a single API, and you prefer platform-specific tools.
  • For users who do not want to manage their own infrastructure, as Helicone offers self-hosting options which require local setup and maintenance.

Choose openllmetry if…

  • openllmetry is primarily Python; helicone is TypeScript.
  • Helicone and OpenLLMetry are both focused on providing open-source observability tools for LLM applications.
  • Tags unique to openllmetry: artifical-intelligence, datascience, generative-ai, llm.
  • When you are working on GenAI or LLM applications and need observability features that are specifically tailored for these types of applications.

When NOT to use openllmetry

  • If your application is not in Python, as OpenLLMetry's primary support is for Python applications, limiting its utility for other languages.
  • When you need a tool that offers more than just observability features, as OpenLLMetry focuses specifically on monitoring and metrics for GenAI and LLM applications and may not cover other aspects of

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: helicone 6.2k · openllmetry 7.4k (synced Sep 20, 2026).

Common questions

What is the difference between helicone and openllmetry?
helicone: Open source LLM observability platform. openllmetry: Open-source observability for GenAI or LLM applications based on OpenTelemetry. See the comparison table for live GitHub stats and shared categories.
When should I choose helicone over openllmetry?
Choose helicone over openllmetry when helicone is primarily TypeScript; openllmetry is Python; Helicone and OpenLLMetry are both focused on providing open-source observability tools for LLM applications; Tags unique to helicone: agent-monitoring, analytics, evaluation, gpt; helicone ships Docker support for self-hosted deployment; When you need to monitor and evaluate the performance of large language models in real-time.
When should I choose openllmetry over helicone?
Choose openllmetry over helicone when openllmetry is primarily Python; helicone is TypeScript; Helicone and OpenLLMetry are both focused on providing open-source observability tools for LLM applications; Tags unique to openllmetry: artifical-intelligence, datascience, generative-ai, llm; When you are working on GenAI or LLM applications and need observability features that are specifically tailored for these types of applications.
When should I avoid helicone?
If your project requires proprietary or closed-source tools, as Helicone is open-source and can be self-hosted. When you need a platform that does not require setting up an API key and modifying your codebase to integrate monitoring. If you are looking for a solution that does not support a wide range of models through a single API, and you prefer platform-specific tools. For users who do not want to manage their own infrastructure, as Helicone offers self-hosting options which require local setup and maintenance.
When should I avoid openllmetry?
If your application is not in Python, as OpenLLMetry's primary support is for Python applications, limiting its utility for other languages. When you need a tool that offers more than just observability features, as OpenLLMetry focuses specifically on monitoring and metrics for GenAI and LLM applications and may not cover other aspects of
Is helicone or openllmetry more popular on GitHub?
openllmetry has more GitHub stars (7,438 vs 6,162). Stars measure visibility, not whether either tool fits your constraints.
Are helicone and openllmetry open source?
Yes - both are open-source projects on GitHub (helicone: Apache-2.0, openllmetry: Apache-2.0).
Where can I find alternatives to helicone or openllmetry?
GraphCanon lists graph-backed alternatives at helicone alternatives and openllmetry alternatives (helicone markdown twin, openllmetry markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, helicone or openllmetry?
helicone: Very active. openllmetry: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for helicone and openllmetry?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: helicone trust report; openllmetry trust report.

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