Comparison
openfirma vs open-bias
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 open-bias if open-bias is an open-source tool for implementing rule adherence in AI agents through one line of code. It offers comprehensive functionalities including enforcement, tracing, and improvement of compliance rules.
Markdown twin · openfirma alternatives · open-bias alternatives
GraphCanon updated Sep 20, 2026
11views this month
vs
Trust & integrity
| Signal | openfirma | open-bias |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 12, 2026 · github_public_v1 | Slowing (112d since push) As of Sep 12, 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 12, 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 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
- open-bias
- One line of code to enforce, trace, and improve rule adherence for AI agents.
Stars
- openfirma
- 135
- open-bias
- 142
Forks
- openfirma
- 9
- open-bias
- 5
Open issues
- openfirma
- 8
- open-bias
- 0
Language
- openfirma
- Rust
- open-bias
- 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.
- open-bias
- Open-bias is an open-source tool for implementing rule adherence in AI agents through one line of code. It offers comprehensive functionalities including enforcement, tracing, and improvement of compliance rules.
Persona
- openfirma
- -
- open-bias
- -
Runtime
- openfirma
- -
- open-bias
- -
License
- openfirma
- GPL-3.0
- open-bias
- Apache-2.0
Last pushed
- openfirma
- Sep 11, 2026
- open-bias
- May 23, 2026
Categories
- openfirma
- AI Agents, Evaluation & Observability
- open-bias
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- openfirma
- Very active (96%)
- open-bias
- Slowing (36%)
Days since push
- openfirma
- 0d
- open-bias
- 112d
Open issues (now)
- openfirma
- 8
- open-bias
- 0
Stars delta
- openfirma
- +29 (30d)
- open-bias
- +5 (30d)
Open issues delta
- openfirma
- -9 (30d)
- open-bias
- 0 (30d)
Full report
- openfirma
- Trust report
- open-bias
- Trust report
Choose openfirma if…
- openfirma is primarily Rust; open-bias is Python.
- License: openfirma is GPL-3.0, open-bias is Apache-2.0.
- Tags unique to openfirma: access-control, ai-agents, authorization, cedar-policy.
- 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 open-bias if…
- open-bias is primarily Python; openfirma is Rust.
- License: open-bias is Apache-2.0, openfirma is GPL-3.0.
- Tags unique to open-bias: ai-compliance, llm-guardrails, rule-engine.
- You need to enforce detailed rule sets on your AI agents quickly with minimal integration effort.
When NOT to use open-bias
- You prefer tools that offer more advanced customization options beyond the one-line code integration.
- Your project prioritizes less intrusive methods for AI governance, avoiding additional layers of complexity on existing architectures.
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 20, 2026
- GitHub forks (Firma-AI/openfirma) · observed Sep 20, 2026
- Last push (Firma-AI/openfirma) · observed Sep 11, 2026
- License file (GPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (open-bias/open-bias) · observed Sep 20, 2026
- GitHub forks (open-bias/open-bias) · observed Sep 20, 2026
- Last push (open-bias/open-bias) · observed May 23, 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 on cards: openfirma 135 · open-bias 142 (synced Sep 20, 2026).
Common questions
- What is the difference between openfirma and open-bias?
- openfirma: Runtime enforcement boundary for AI agents with local sidecar. open-bias: One line of code to enforce, trace, and improve rule adherence for AI agents.. See the comparison table for live GitHub stats and shared categories.
- When should I choose openfirma over open-bias?
- Choose openfirma over open-bias when openfirma is primarily Rust; open-bias is Python; License: openfirma is GPL-3.0, open-bias is Apache-2.0; Tags unique to openfirma: access-control, ai-agents, authorization, cedar-policy; When you need deterministic and call-level runtime enforcement that specifically leverages Cedar policies tailored for your needs.
- When should I choose open-bias over openfirma?
- Choose open-bias over openfirma when open-bias is primarily Python; openfirma is Rust; License: open-bias is Apache-2.0, openfirma is GPL-3.0; Tags unique to open-bias: ai-compliance, llm-guardrails, rule-engine; You need to enforce detailed rule sets on your AI agents quickly with minimal integration effort.
- 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 open-bias?
- You prefer tools that offer more advanced customization options beyond the one-line code integration. Your project prioritizes less intrusive methods for AI governance, avoiding additional layers of complexity on existing architectures.
- Is openfirma or open-bias more popular on GitHub?
- open-bias has more GitHub stars (142 vs 135). Stars measure visibility, not whether either tool fits your constraints.
- Are openfirma and open-bias open source?
- Yes - both are open-source projects on GitHub (openfirma: GPL-3.0, open-bias: Apache-2.0).
- Where can I find alternatives to openfirma or open-bias?
- GraphCanon lists graph-backed alternatives at openfirma alternatives and open-bias alternatives (openfirma markdown twin, open-bias 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 open-bias?
- openfirma: Very active. open-bias: 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 open-bias?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openfirma trust report; open-bias trust report.