Comparison
last_layer vs frai
Verdict
Pick last_layer if an ultra-fast Python tool for detecting prompt injections and jailbreak attempts in large language models suitable for projects requiring rapid security evaluations, with low-latency performance; pick frai if frai is an open-source toolkit that uses CLI and SDK to scan code for responsible AI development purposes, generating model cards, risk assessments, and evaluations.
Markdown twin · last_layer alternatives · frai alternatives
GraphCanon updated Sep 20, 2026
Trust & integrity
| Signal | last_layer | frai |
|---|---|---|
| Maintenance | Dormant (780d since push) As of Sep 14, 2026 · github_public_v1 | Very active (0d since push) As of Sep 13, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 14, 2026 · github_public_v1 | Not a fork · Personal account As of Sep 13, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 15, 2026 · osv@v1 | No published findings from this source as of 2026-07-15 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
- last_layer
- Ultra-fast low latency LLM prompt injection jailbreak detection
- frai
- A toolkit for responsible AI development that generates model cards, risk assessments, and evals via CLI and SDK.
Stars
- last_layer
- 133
- frai
- 53
Forks
- last_layer
- 6
- frai
- 4
Open issues
- last_layer
- 13
- frai
- 0
Language
- last_layer
- Python
- frai
- JavaScript
Adopt for
- last_layer
- An ultra-fast Python tool for detecting prompt injections and jailbreak attempts in large language models suitable for projects requiring rapid security evaluations, with low-latency performance.
- frai
- frai is an open-source toolkit that uses CLI and SDK to scan code for responsible AI development purposes, generating model cards, risk assessments, and evaluations.
Persona
- last_layer
- -
- frai
- -
Runtime
- last_layer
- -
- frai
- -
License
- last_layer
- MIT
- frai
- MIT
Last pushed
- last_layer
- Jul 26, 2024
- frai
- Sep 12, 2026
Categories
- last_layer
- Evaluation & Observability
- frai
- Developer Tools, Evaluation & Observability
Trust and health
Maintenance
- last_layer
- Dormant (18%)
- frai
- Very active (96%)
Days since push
- last_layer
- 780d
- frai
- 0d
Open issues (now)
- last_layer
- 13
- frai
- 0
Stars delta
- last_layer
- +2 (30d)
- frai
- 0 (30d)
OSV dependency advisories
- last_layer
- Published findings
- frai
- No published findings from this source as of 2026-07-15
Full report
- last_layer
- Trust report
- frai
- Trust report
Choose last_layer if…
- last_layer is primarily Python; frai is JavaScript.
- Tags unique to last_layer: chatgpt-prompts, jailbreak, large-language-models, llm-guard.
- When you need fast detection of potential security vulnerabilities due to unauthorized prompt manipulations in real-time scenarios involving LLMs
When NOT to use last_layer
- If your application does not require ultra-low latency detection and can afford slower, potentially more comprehensive security evaluations
- For environments that prefer a broader range of security features beyond prompt injection detection, as last_layer focuses specifically on this aspect with speed in mind
Choose frai if…
- frai is primarily JavaScript; last_layer is Python.
- Tags unique to frai: ai-compliance, audit, bias, evaluation.
- Also covers Developer Tools.
- Use when you need to comply with specific safety standards in AI projects using JavaScript framework.
When NOT to use frai
- Avoid if your development environment strictly requires non-JavaScript languages for tool integration.
- Not advisable if automated governance and scanning tools are not aligned with organizational compliance policies.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (arekusandr/last_layer) · observed Sep 20, 2026
- GitHub forks (arekusandr/last_layer) · observed Sep 20, 2026
- Last push (arekusandr/last_layer) · observed Jul 26, 2024
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (sebuzdugan/frai) · observed Sep 20, 2026
- GitHub forks (sebuzdugan/frai) · observed Sep 20, 2026
- Last push (sebuzdugan/frai) · observed Sep 12, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: last_layer 133 · frai 53 (synced Sep 20, 2026).
Common questions
- What is the difference between last_layer and frai?
- last_layer: Ultra-fast low latency LLM prompt injection jailbreak detection. frai: A toolkit for responsible AI development that generates model cards, risk assessments, and evals via CLI and SDK.. See the comparison table for live GitHub stats and shared categories.
- When should I choose last_layer over frai?
- Choose last_layer over frai when last_layer is primarily Python; frai is JavaScript; Tags unique to last_layer: chatgpt-prompts, jailbreak, large-language-models, llm-guard; When you need fast detection of potential security vulnerabilities due to unauthorized prompt manipulations in real-time scenarios involving LLMs.
- When should I choose frai over last_layer?
- Choose frai over last_layer when frai is primarily JavaScript; last_layer is Python; Tags unique to frai: ai-compliance, audit, bias, evaluation; Also covers Developer Tools; Use when you need to comply with specific safety standards in AI projects using JavaScript framework.
- When should I avoid last_layer?
- If your application does not require ultra-low latency detection and can afford slower, potentially more comprehensive security evaluations For environments that prefer a broader range of security features beyond prompt injection detection, as last_layer focuses specifically on this aspect with speed in mind
- When should I avoid frai?
- Avoid if your development environment strictly requires non-JavaScript languages for tool integration. Not advisable if automated governance and scanning tools are not aligned with organizational compliance policies.
- Is last_layer or frai more popular on GitHub?
- last_layer has more GitHub stars (133 vs 53). Stars measure visibility, not whether either tool fits your constraints.
- Are last_layer and frai open source?
- Yes - both are open-source projects on GitHub (last_layer: MIT, frai: MIT).
- Where can I find alternatives to last_layer or frai?
- GraphCanon lists graph-backed alternatives at last_layer alternatives and frai alternatives (last_layer markdown twin, frai 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, last_layer or frai?
- last_layer: Dormant. frai: 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 last_layer and frai?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: last_layer trust report; frai trust report.