Comparison
heron vs hallucination-index
Verdict
Pick heron if an open-source network traffic analysis tool for monitoring the performance of LLMs and AI agents without requiring SDK changes; pick hallucination-index if hallucination-Index helps users identify LLMs with the lowest propensity for factual errors across varying context lengths and source types.
Markdown twin · heron alternatives · hallucination-index alternatives
GraphCanon updated Sep 20, 2026
7views this month
vs
Trust & integrity
| Signal | heron | hallucination-index |
|---|---|---|
| Maintenance | Active (23d since push) As of Sep 11, 2026 · github_public_v1 | Dormant (418d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 11, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 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
- heron
- Performance monitoring tool for LLM APIs and AI agents
- hallucination-index
- Initiative to evaluate and rank popular LLMs based on hallucination propensity
Stars
- heron
- 101
- hallucination-index
- 115
Forks
- heron
- 10
- hallucination-index
- 8
Open issues
- heron
- 3
- hallucination-index
- 1
Language
- heron
- Rust
- hallucination-index
- -
Adopt for
- heron
- An open-source network traffic analysis tool for monitoring the performance of LLMs and AI agents without requiring SDK changes.
- hallucination-index
- Hallucination-Index helps users identify LLMs with the lowest propensity for factual errors across varying context lengths and source types.
Persona
- heron
- -
- hallucination-index
- -
Runtime
- heron
- -
- hallucination-index
- -
License
- heron
- Apache-2.0
- hallucination-index
- -
Last pushed
- heron
- Aug 18, 2026
- hallucination-index
- Jul 28, 2025
Categories
- heron
- Evaluation & Observability
- hallucination-index
- Evaluation & Observability
Trust and health
Maintenance
- heron
- Active (82%)
- hallucination-index
- Dormant (18%)
Days since push
- heron
- 23d
- hallucination-index
- 418d
Open issues (now)
- heron
- 3
- hallucination-index
- 1
Stars delta
- heron
- +27 (30d)
- hallucination-index
- -1 (30d)
Full report
- heron
- Trust report
- hallucination-index
- Trust report
Choose heron if…
- Tags unique to heron: agentic-ai, ai-agent-development, libpcap, llm-monitoring.
- When you need a provider-side solution that does not require altering existing codebases or SDKs to monitor performance metrics.
- More recently updated (last pushed Aug 18, 2026).
When NOT to use heron
- When the need is for an in-agent monitoring tool rather than a network packet-based solution, as Heron operates on traffic.
- In environments where live capture requires administrative privileges that are not available to the user performing the installation.
- For real-time performance insights without prior deployment because Heron involves a setup phase and typically uses pre-collected `.pcap` files.
Choose hallucination-index if…
- Tags unique to hallucination-index: hallucinations, large-language-models, llm-evaluation, openai.
- Use when you need to ensure accuracy in short-context tasks, as it tests models like Chain-of-Note prompting techniques specifically for such scenarios.
- More GitHub stars (115 vs 101) - visibility, not fit.
When NOT to use hallucination-index
- Avoid using Hallucination-Index when your application requires real-time evaluation of hallucinations, as it focuses on predefined tests rather than live model performance.
- Do not rely solely on this index if your primary concern is the latest updates to LLM models; its data might not reflect recent improvements in models or the introduction of new ones.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (Netis/heron) · observed Sep 20, 2026
- GitHub forks (Netis/heron) · observed Sep 20, 2026
- Last push (Netis/heron) · observed Aug 18, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (rungalileo/hallucination-index) · observed Sep 20, 2026
- GitHub forks (rungalileo/hallucination-index) · observed Sep 20, 2026
- Last push (rungalileo/hallucination-index) · observed Jul 28, 2025
- License file (unknown) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: heron 101 · hallucination-index 115 (synced Sep 20, 2026).
Common questions
- What is the difference between heron and hallucination-index?
- heron: Performance monitoring tool for LLM APIs and AI agents. hallucination-index: Initiative to evaluate and rank popular LLMs based on hallucination propensity. See the comparison table for live GitHub stats and shared categories.
- When should I choose heron over hallucination-index?
- Choose heron over hallucination-index when Tags unique to heron: agentic-ai, ai-agent-development, libpcap, llm-monitoring; When you need a provider-side solution that does not require altering existing codebases or SDKs to monitor performance metrics; More recently updated (last pushed Aug 18, 2026).
- When should I choose hallucination-index over heron?
- Choose hallucination-index over heron when Tags unique to hallucination-index: hallucinations, large-language-models, llm-evaluation, openai; Use when you need to ensure accuracy in short-context tasks, as it tests models like Chain-of-Note prompting techniques specifically for such scenarios; More GitHub stars (115 vs 101) - visibility, not fit.
- When should I avoid heron?
- When the need is for an in-agent monitoring tool rather than a network packet-based solution, as Heron operates on traffic. In environments where live capture requires administrative privileges that are not available to the user performing the installation. For real-time performance insights without prior deployment because Heron involves a setup phase and typically uses pre-collected
.pcapfiles. - When should I avoid hallucination-index?
- Avoid using Hallucination-Index when your application requires real-time evaluation of hallucinations, as it focuses on predefined tests rather than live model performance. Do not rely solely on this index if your primary concern is the latest updates to LLM models; its data might not reflect recent improvements in models or the introduction of new ones.
- Is heron or hallucination-index more popular on GitHub?
- hallucination-index has more GitHub stars (115 vs 101). Stars measure visibility, not whether either tool fits your constraints.
- Are heron and hallucination-index open source?
- Yes - both are open-source projects on GitHub.
- Where can I find alternatives to heron or hallucination-index?
- GraphCanon lists graph-backed alternatives at heron alternatives and hallucination-index alternatives (heron markdown twin, hallucination-index 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, heron or hallucination-index?
- heron: Active. hallucination-index: Dormant. 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 heron and hallucination-index?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: heron trust report; hallucination-index trust report.