Comparison
openfirma vs fast-llm-security-guardrails
Verdict
Pick openfirma if openfirma is a policy-enforcing sidecar for AI agents that uses Cedar policies to gate outbound calls, built in Rust under the GPL-3.0 license; pick fast-llm-security-guardrails if fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Markdown twin · openfirma alternatives · fast-llm-security-guardrails alternatives
GraphCanon updated Sep 14, 2026
12views this month
vs
Trust & integrity
| Signal | openfirma | fast-llm-security-guardrails |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 12, 2026 · github_public_v1 | Slowing (222d since push) As of Sep 14, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 12, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 14, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | Published findings As of Jul 15, 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
- openfirma
- Runtime enforcement boundary for AI agents with local sidecar
- fast-llm-security-guardrails
- The fastest Trust Layer for AI Agents
Stars
- openfirma
- 135
- fast-llm-security-guardrails
- 155
Forks
- openfirma
- 9
- fast-llm-security-guardrails
- 21
Open issues
- openfirma
- 8
- fast-llm-security-guardrails
- 0
Language
- openfirma
- Rust
- fast-llm-security-guardrails
- Python
Adopt for
- openfirma
- Openfirma is a policy-enforcing sidecar for AI agents that uses Cedar policies to gate outbound calls, built in Rust under the GPL-3.0 license.
- fast-llm-security-guardrails
- fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Persona
- openfirma
- -
- fast-llm-security-guardrails
- -
Runtime
- openfirma
- -
- fast-llm-security-guardrails
- -
License
- openfirma
- GPL-3.0
- fast-llm-security-guardrails
- MIT
Last pushed
- openfirma
- Sep 11, 2026
- fast-llm-security-guardrails
- Feb 3, 2026
Categories
- openfirma
- AI Agents, Evaluation & Observability
- fast-llm-security-guardrails
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- openfirma
- Very active (96%)
- fast-llm-security-guardrails
- Slowing (36%)
Days since push
- openfirma
- 0d
- fast-llm-security-guardrails
- 222d
Open issues (now)
- openfirma
- 8
- fast-llm-security-guardrails
- 0
Stars delta
- openfirma
- +29 (30d)
- fast-llm-security-guardrails
- +1 (30d)
Open issues delta
- openfirma
- -9 (30d)
- fast-llm-security-guardrails
- 0 (30d)
OSV dependency advisories
- openfirma
- No lockfile (source not queried)
- fast-llm-security-guardrails
- Published findings
Full report
- openfirma
- Trust report
- fast-llm-security-guardrails
- Trust report
Choose openfirma if…
- openfirma is primarily Rust; fast-llm-security-guardrails is Python.
- License: openfirma is GPL-3.0, fast-llm-security-guardrails is MIT.
- Tags unique to openfirma: access-control, authorization, cedar-policy, guardrails.
- When you need deterministic and call-level runtime enforcement that specifically leverages Cedar policies tailored for your needs.
When NOT to use openfirma
- Avoid if you prefer a solution not tightly coupled to Cedar policies, as Openfirma exclusively supports this policy framework.
- Do not use if licensing is critical and you need permissive licenses, since Openfirma uses the GPL-3.0 license.
Choose fast-llm-security-guardrails if…
- fast-llm-security-guardrails is primarily Python; openfirma is Rust.
- License: fast-llm-security-guardrails is MIT, openfirma is GPL-3.0.
- Tags unique to fast-llm-security-guardrails: ai-agent, ai-runtime, cx-agent, llm-guard.
- Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
When NOT to use fast-llm-security-guardrails
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations.
- For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (Firma-AI/openfirma) · observed Sep 12, 2026
- GitHub forks (Firma-AI/openfirma) · observed Sep 12, 2026
- Last push (Firma-AI/openfirma) · observed Sep 11, 2026
- License file (GPL-3.0) · observed Sep 12, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 14, 2026
- GitHub forks (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 14, 2026
- Last push (ZenGuard-AI/fast-llm-security-guardrails) · observed Feb 3, 2026
- License file (MIT) · observed Sep 14, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: openfirma 135 · fast-llm-security-guardrails 155 (synced Sep 12, 2026).
Common questions
- What is the difference between openfirma and fast-llm-security-guardrails?
- openfirma: Runtime enforcement boundary for AI agents with local sidecar. fast-llm-security-guardrails: The fastest Trust Layer for AI Agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose openfirma over fast-llm-security-guardrails?
- Choose openfirma over fast-llm-security-guardrails when openfirma is primarily Rust; fast-llm-security-guardrails is Python; License: openfirma is GPL-3.0, fast-llm-security-guardrails is MIT; Tags unique to openfirma: access-control, authorization, cedar-policy, guardrails; When you need deterministic and call-level runtime enforcement that specifically leverages Cedar policies tailored for your needs.
- When should I choose fast-llm-security-guardrails over openfirma?
- Choose fast-llm-security-guardrails over openfirma when fast-llm-security-guardrails is primarily Python; openfirma is Rust; License: fast-llm-security-guardrails is MIT, openfirma is GPL-3.0; Tags unique to fast-llm-security-guardrails: ai-agent, ai-runtime, cx-agent, llm-guard; Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
- When should I avoid openfirma?
- Avoid if you prefer a solution not tightly coupled to Cedar policies, as Openfirma exclusively supports this policy framework. Do not use if licensing is critical and you need permissive licenses, since Openfirma uses the GPL-3.0 license.
- When should I avoid fast-llm-security-guardrails?
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations. For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
- Is openfirma or fast-llm-security-guardrails more popular on GitHub?
- fast-llm-security-guardrails has more GitHub stars (155 vs 135). Stars measure visibility, not whether either tool fits your constraints.
- Are openfirma and fast-llm-security-guardrails open source?
- Yes - both are open-source projects on GitHub (openfirma: GPL-3.0, fast-llm-security-guardrails: MIT).
- Where can I find alternatives to openfirma or fast-llm-security-guardrails?
- GraphCanon lists graph-backed alternatives at openfirma alternatives and fast-llm-security-guardrails alternatives (openfirma markdown twin, fast-llm-security-guardrails 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, openfirma or fast-llm-security-guardrails?
- openfirma: Very active. fast-llm-security-guardrails: Slowing. 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 openfirma and fast-llm-security-guardrails?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openfirma trust report; fast-llm-security-guardrails trust report.