Comparison
phoenix vs helicone
Verdict
Pick phoenix if phoenix by Arize AI focuses on providing comprehensive tools for monitoring and evaluating AI models with an emphasis on improving observability over time; pick helicone if helicone is an open-source platform for monitoring and evaluating language models with features specifically designed to facilitate integration and offer detailed observability.
Markdown twin · phoenix alternatives · helicone alternatives
GraphCanon updated 4d
Trust & integrity
| Signal | phoenix | helicone |
|---|---|---|
| Maintenance | Very active (0d since push) As of 2w · github_public_v1 | Very active (0d since push) As of 4d · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Organization account As of 4d · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) 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
- phoenix
- AI Observability & Evaluation
- helicone
- Open source LLM observability platform
Stars
- phoenix
- 11k
- helicone
- 6.1k
Forks
- phoenix
- 1.0k
- helicone
- 654
Open issues
- phoenix
- 839
- helicone
- 170
Language
- phoenix
- Python
- helicone
- TypeScript
Adopt for
- phoenix
- Phoenix by Arize AI focuses on providing comprehensive tools for monitoring and evaluating AI models with an emphasis on improving observability over time.
- helicone
- Helicone is an open-source platform for monitoring and evaluating language models with features specifically designed to facilitate integration and offer detailed observability.
Persona
- phoenix
- -
- helicone
- -
Runtime
- phoenix
- -
- helicone
- -
License
- phoenix
- Other
- helicone
- Apache-2.0
Last pushed
- phoenix
- Aug 1, 2026
- helicone
- Aug 16, 2026
Categories
- phoenix
- Evaluation & Observability
- helicone
- Evaluation & Observability
Trust and health
Open issues (now)
- phoenix
- 839
- helicone
- 170
Stars delta
- phoenix
- Unknown
- helicone
- +110 (30d)
Open issues delta
- phoenix
- Unknown
- helicone
- +41 (30d)
Full report
- phoenix
- Trust report
- helicone
- Trust report
Typed relationship
phoenix helicone
Choose phoenix if…
- phoenix is primarily Python; helicone is TypeScript.
- License: phoenix is Other, helicone is Apache-2.0.
- Pricing: Pricing details or information about different pricing tiers is not provided in the repository content..
- Requirements: Min -1 GB RAM; Requires Docker.
- Graph edge: phoenix is a typed related of helicone - see the relationship row above.
- Tags unique to phoenix: agents, ai-monitoring, ai-observability, aiengineering.
- When your team requires a tool that offers advanced observability features specifically designed to track the performance of AI models overtime.
When NOT to use phoenix
- Consider another solution if your primary requirement is focused on generic monitoring tools that do not provide deep-dive observability features for AI models specifically.
- If you are constrained by the Elastic License 2.0 terms, which might not align with your organization's licensing preferences or compliance requirements.
Choose helicone if…
- helicone is primarily TypeScript; phoenix is Python.
- License: helicone is Apache-2.0, phoenix is Other.
- Graph edge: helicone is a typed related of phoenix - see the relationship row above.
- Tags unique to helicone: agent-monitoring, analytics, evaluation, gpt.
- 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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (Arize-ai/phoenix) · observed Aug 1, 2026
- GitHub forks (Arize-ai/phoenix) · observed Aug 1, 2026
- Last push (Arize-ai/phoenix) · observed Aug 1, 2026
- License file (Other) · observed Aug 1, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- 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 on cards: phoenix 11k · helicone 6.1k (synced Aug 1, 2026).
Common questions
- What is the difference between phoenix and helicone?
- phoenix: AI Observability & Evaluation. helicone: Open source LLM observability platform. See the comparison table for live GitHub stats and shared categories.
- When should I choose phoenix over helicone?
- Choose phoenix over helicone when phoenix is primarily Python; helicone is TypeScript; License: phoenix is Other, helicone is Apache-2.0; Pricing: Pricing details or information about different pricing tiers is not provided in the repository content.; Requirements: Min -1 GB RAM; Requires Docker; Graph edge: phoenix is a typed related of helicone - see the relationship row above; Tags unique to phoenix: agents, ai-monitoring, ai-observability, aiengineering; When your team requires a tool that offers advanced observability features specifically designed to track the performance of AI models overtime.
- When should I choose helicone over phoenix?
- Choose helicone over phoenix when helicone is primarily TypeScript; phoenix is Python; License: helicone is Apache-2.0, phoenix is Other; Graph edge: helicone is a typed related of phoenix - see the relationship row above; Tags unique to helicone: agent-monitoring, analytics, evaluation, gpt; 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 avoid phoenix?
- Consider another solution if your primary requirement is focused on generic monitoring tools that do not provide deep-dive observability features for AI models specifically. If you are constrained by the Elastic License 2.0 terms, which might not align with your organization's licensing preferences or compliance requirements.
- 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.
- Is phoenix or helicone more popular on GitHub?
- phoenix has more GitHub stars (10,847 vs 6,073). Stars measure visibility, not whether either tool fits your constraints.
- Are phoenix and helicone open source?
- Yes - both are open-source projects on GitHub (phoenix: Other, helicone: Apache-2.0).
- Where can I find alternatives to phoenix or helicone?
- GraphCanon lists graph-backed alternatives at phoenix alternatives and helicone alternatives (phoenix markdown twin, helicone 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, phoenix or helicone?
- phoenix: Very active. helicone: 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 phoenix and helicone?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: phoenix trust report; helicone trust report.