Comparison
Open-Prompt-Injection vs PROMPTPurify
Verdict
Pick Open-Prompt-Injection if open-Prompt-Injection is a Python-based toolkit for benchmarking prompt injection attacks on LLMs, offering customization through config files and support for various LLM APIs; pick PROMPTPurify if pROMPTPurify, licensed under MIT, provides an ai-safety solution with a focus on jailbreak-detection and prompt-injection-protection for LLM applications without relying on regex or signatures.
Markdown twin · Open-Prompt-Injection alternatives · PROMPTPurify alternatives
GraphCanon updated 2w
vs
Trust & integrity
| Signal | Open-Prompt-Injection | PROMPTPurify |
|---|---|---|
| Maintenance | Slowing (279d since push) As of 2w · github_public_v1 | Steady (70d since push) As of 2w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 2w · github_public_v1 | Not a fork · Organization account As of 2w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | Published findings 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
- Open-Prompt-Injection
- Benchmark and toolkit for prompt injection attacks and defenses in LLMs
- PROMPTPurify
- Prompt-injection guardrail for LLM applications
Stars
- Open-Prompt-Injection
- 470
- PROMPTPurify
- 75
Forks
- Open-Prompt-Injection
- 74
- PROMPTPurify
- 20
Open issues
- Open-Prompt-Injection
- 14
- PROMPTPurify
- 0
Language
- Open-Prompt-Injection
- Python
- PROMPTPurify
- TypeScript
Adopt for
- Open-Prompt-Injection
- Open-Prompt-Injection is a Python-based toolkit for benchmarking prompt injection attacks on LLMs, offering customization through config files and support for various LLM APIs.
- PROMPTPurify
- PROMPTPurify, licensed under MIT, provides an ai-safety solution with a focus on jailbreak-detection and prompt-injection-protection for LLM applications without relying on regex or signatures.
Persona
- Open-Prompt-Injection
- -
- PROMPTPurify
- -
Runtime
- Open-Prompt-Injection
- -
- PROMPTPurify
- -
License
- Open-Prompt-Injection
- MIT
- PROMPTPurify
- MIT
Last pushed
- Open-Prompt-Injection
- Oct 29, 2025
- PROMPTPurify
- May 31, 2026
Categories
- Open-Prompt-Injection
- Evaluation & Observability, LLM Frameworks
- PROMPTPurify
- Evaluation & Observability, LLM Frameworks
Trust and health
Maintenance
- Open-Prompt-Injection
- Slowing (36%)
- PROMPTPurify
- Steady (60%)
Days since push
- Open-Prompt-Injection
- 279d
- PROMPTPurify
- 70d
Open issues (now)
- Open-Prompt-Injection
- 14
- PROMPTPurify
- 0
Owner type
- Open-Prompt-Injection
- User
- PROMPTPurify
- Organization
OSV dependency advisories
- Open-Prompt-Injection
- No lockfile (source not queried)
- PROMPTPurify
- Published findings
Full report
- Open-Prompt-Injection
- Trust report
- PROMPTPurify
- Trust report
Choose Open-Prompt-Injection if…
- Open-Prompt-Injection is primarily Python; PROMPTPurify is TypeScript.
- Tags unique to Open-Prompt-Injection: llm, llm security, prompt-injection, security-and-privacy.
- You prioritize security testing specifically for prompt injection vulnerabilities in your LLM applications.
When NOT to use Open-Prompt-Injection
- You require broader, more generalized security features not centered on prompt injection attacks.
- Your project does not involve working with Google PaLM2 or other specific models like Meta's Llama and OpenAI's GPT.
Choose PROMPTPurify if…
- PROMPTPurify is primarily TypeScript; Open-Prompt-Injection is Python.
- Pricing: The SDK and model weights of PROMPTPurify come under the MIT license, allowing free usage. However, the full extent of features or services might require a premium setup..
- Requirements: - This tool is built with TypeScript.; - Ensure familiarity with TypeScript for efficient integration..
- Tags unique to PROMPTPurify: ai safety, ai-firewall, ai-security, application-security.
- - When you require compact model solutions that outperform larger open-source guards.
When NOT to use PROMPTPurify
- - Avoid using PROMPTPurify if your project requires regex or signature-based methods for security purposes, as this tool does not support them.
- - Do not use it if you are looking for comprehensive AI-security solutions that extend beyond prompt injection and jailbreak detection.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (liu00222/Open-Prompt-Injection) · observed Aug 5, 2026
- GitHub forks (liu00222/Open-Prompt-Injection) · observed Aug 5, 2026
- Last push (liu00222/Open-Prompt-Injection) · observed Oct 29, 2025
- License file (MIT) · observed Aug 5, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (securelayer7/PROMPTPurify) · observed Aug 9, 2026
- GitHub forks (securelayer7/PROMPTPurify) · observed Aug 9, 2026
- Last push (securelayer7/PROMPTPurify) · observed May 31, 2026
- License file (MIT) · observed Aug 9, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: Open-Prompt-Injection 470 · PROMPTPurify 75 (synced Aug 5, 2026).
Common questions
- What is the difference between Open-Prompt-Injection and PROMPTPurify?
- Open-Prompt-Injection: Benchmark and toolkit for prompt injection attacks and defenses in LLMs. PROMPTPurify: Prompt-injection guardrail for LLM applications. See the comparison table for live GitHub stats and shared categories.
- When should I choose Open-Prompt-Injection over PROMPTPurify?
- Choose Open-Prompt-Injection over PROMPTPurify when Open-Prompt-Injection is primarily Python; PROMPTPurify is TypeScript; Tags unique to Open-Prompt-Injection: llm, llm security, prompt-injection, security-and-privacy; You prioritize security testing specifically for prompt injection vulnerabilities in your LLM applications.
- When should I choose PROMPTPurify over Open-Prompt-Injection?
- Choose PROMPTPurify over Open-Prompt-Injection when PROMPTPurify is primarily TypeScript; Open-Prompt-Injection is Python; Pricing: The SDK and model weights of PROMPTPurify come under the MIT license, allowing free usage. However, the full extent of features or services might require a premium setup.; Requirements: - This tool is built with TypeScript.; - Ensure familiarity with TypeScript for efficient integration.; Tags unique to PROMPTPurify: ai safety, ai-firewall, ai-security, application-security; - When you require compact model solutions that outperform larger open-source guards.
- When should I avoid Open-Prompt-Injection?
- You require broader, more generalized security features not centered on prompt injection attacks. Your project does not involve working with Google PaLM2 or other specific models like Meta's Llama and OpenAI's GPT.
- When should I avoid PROMPTPurify?
- - Avoid using PROMPTPurify if your project requires regex or signature-based methods for security purposes, as this tool does not support them. - Do not use it if you are looking for comprehensive AI-security solutions that extend beyond prompt injection and jailbreak detection.
- Is Open-Prompt-Injection or PROMPTPurify more popular on GitHub?
- Open-Prompt-Injection has more GitHub stars (470 vs 75). Stars measure visibility, not whether either tool fits your constraints.
- Are Open-Prompt-Injection and PROMPTPurify open source?
- Yes - both are open-source projects on GitHub (Open-Prompt-Injection: MIT, PROMPTPurify: MIT).
- Where can I find alternatives to Open-Prompt-Injection or PROMPTPurify?
- GraphCanon lists graph-backed alternatives at Open-Prompt-Injection alternatives and PROMPTPurify alternatives (Open-Prompt-Injection markdown twin, PROMPTPurify 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, Open-Prompt-Injection or PROMPTPurify?
- Open-Prompt-Injection: Slowing. PROMPTPurify: Steady. 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 Open-Prompt-Injection and PROMPTPurify?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Open-Prompt-Injection trust report; PROMPTPurify trust report.