Comparison
helicone vs openllmetry
Verdict
Pick helicone when helicone is primarily TypeScript; openllmetry is Python; pick openllmetry when openllmetry is primarily Python; helicone is TypeScript.
Markdown twin · helicone alternatives · openllmetry alternatives
GraphCanon updated 5d
vs
Trust & integrity
| Signal | helicone | openllmetry |
|---|---|---|
| Maintenance | Very active (0d since push) As of 5d · github_public_v1 | Very active (4d since push) As of 1w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 5d · github_public_v1 | Not a fork · Organization account As of 1w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | Published findings As of 1mo · 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 and LLM applications based on OpenTelemetry.
Stars
- helicone
- 6.1k
- openllmetry
- 7.4k
Forks
- helicone
- 654
- openllmetry
- 1.0k
Open issues
- helicone
- 170
- openllmetry
- 638
Language
- helicone
- TypeScript
- openllmetry
- Python
Adopt for
- helicone
- Helicone is an open-source platform for monitoring and evaluating language models with features specifically designed to facilitate integration and offer detailed observability.
- openllmetry
- -
Persona
- helicone
- -
- openllmetry
- -
Runtime
- helicone
- -
- openllmetry
- -
License
- helicone
- Apache-2.0
- openllmetry
- Apache-2.0
Last pushed
- helicone
- Aug 16, 2026
- openllmetry
- Aug 10, 2026
Categories
- helicone
- Evaluation & Observability
- openllmetry
- Evaluation & Observability
Trust and health
Days since push
- helicone
- 0d
- openllmetry
- 4d
Open issues (now)
- helicone
- 170
- openllmetry
- 638
Stars delta
- helicone
- +110 (30d)
- openllmetry
- +75 (30d)
Open issues delta
- helicone
- +41 (30d)
- openllmetry
- +42 (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.
- Use Helicone when you need an open-source solution that can monitor a wide range of LLMs, including more than 100 available through one API.
When NOT to use helicone
- Do not use Helicone if you have strict data privacy needs that are better served by fully localized or proprietary observability solutions.
- Avoid using this platform if your project specifically requires real-time integration with a specific model outside of Helicone's extensive but curated list.
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, good-first-issue.
- Use openllmetry when you need observability tools specifically tuned for GenAI and LLM operations integrated with OpenTelemetry.
When NOT to use openllmetry
- Avoid using openllmetry in environments where dependency on Python is undesirable or where alternative languages are prioritized beyond Python's ecosystem.
- Do not select openllmetry if you prefer tools that offer broader customization options for core observability features, as it specializes in integration with OpenTelemetry.
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 Aug 17, 2026
- GitHub forks (Helicone/helicone) · observed Aug 17, 2026
- Last push (Helicone/helicone) · observed Aug 16, 2026
- License file (Apache-2.0) · observed Aug 17, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (traceloop/openllmetry) · observed Aug 15, 2026
- GitHub forks (traceloop/openllmetry) · observed Aug 15, 2026
- Last push (traceloop/openllmetry) · observed Aug 10, 2026
- License file (Apache-2.0) · observed Aug 15, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: helicone 6.1k · openllmetry 7.4k (synced Aug 17, 2026).
Common questions
- What is the difference between helicone and openllmetry?
- helicone: Open source LLM observability platform. openllmetry: Open-source observability for GenAI and 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; Use Helicone when you need an open-source solution that can monitor a wide range of LLMs, including more than 100 available through one API.
- 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, good-first-issue; Use openllmetry when you need observability tools specifically tuned for GenAI and LLM operations integrated with OpenTelemetry.
- When should I avoid helicone?
- Do not use Helicone if you have strict data privacy needs that are better served by fully localized or proprietary observability solutions. Avoid using this platform if your project specifically requires real-time integration with a specific model outside of Helicone's extensive but curated list.
- When should I avoid openllmetry?
- Avoid using openllmetry in environments where dependency on Python is undesirable or where alternative languages are prioritized beyond Python's ecosystem. Do not select openllmetry if you prefer tools that offer broader customization options for core observability features, as it specializes in integration with OpenTelemetry.
- Is helicone or openllmetry more popular on GitHub?
- openllmetry has more GitHub stars (7,377 vs 6,073). 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.