vigil-llm vs langfuse
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| vigil-llm | langfuse | |
|---|---|---|
| Tagline | ⚡ Security scanner for LLM prompts ⚡ | Open source AI engineering platform |
| Stars | 486 | 31k |
| Forks | 55 | 3.2k |
| Open issues | 16 | 690 |
| Language | Python | TypeScript |
| License | Apache-2.0 | Other |
| Last pushed | Jan 31, 2024 | Jul 7, 2026 |
| Categories | Evaluation & Observability | Evaluation & Observability |
vigil-llm
Vigil is a Python library and REST API designed to assess Large Language Model (LLM) inputs, detecting injections, jailbreaks, and other security threats. It includes modular scanners with the ability to extend via custom signatures and supports various detection methods including vector databases, heuristics, transformer models, canary tokens, and sentiment analysis.
Python
langfuse
Langfuse is an open-source platform for LLM evaluation, observability, prompt management, and more. It integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, among others.
TypeScript