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
Trust & integrity
| Signal | helicone | openllmetry |
|---|---|---|
| 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
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 (Helicone/helicone) · observed Sep 20, 2026
- GitHub forks (Helicone/helicone) · observed Sep 20, 2026
- Last push (Helicone/helicone) · observed Sep 16, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (traceloop/openllmetry) · observed Sep 20, 2026
- GitHub forks (traceloop/openllmetry) · observed Sep 20, 2026
- Last push (traceloop/openllmetry) · observed Sep 17, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
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.