Arc Gate: The Revolutionary LLM Proxy Catching 100% of Indirect Prompt Injections
safety#llm📝 Blog|Analyzed: Apr 28, 2026 00:18•
Published: Apr 28, 2026 00:15
•1 min read
•r/deeplearningAnalysis
Arc Gate is an incredibly exciting new tool for AI safety, acting as a highly effective LLM proxy that successfully intercepts indirect and roleplay prompt injection attacks. It outperforms major industry standards like OpenAI Moderation and LlamaGuard 3 8B by achieving a flawless recall score in benchmark tests. Best of all, its lightweight architecture requires zero GPU usage on the user's end and can be deployed in just five minutes, making robust AI security highly accessible.
Key Takeaways
- •Achieved a perfect 1.00 recall and 0.95 F1 score against complex out-of-distribution attacks, significantly beating OpenAI (0.75) and LlamaGuard (0.55).
- •Blocks malicious requests in an average of just 1.3 seconds, ensuring low Latency without requiring any local GPU resources.
- •Offers effortless Scalability and setup, allowing developers to deploy to Railway in about 5 minutes using just a single environment variable.
Reference / Citation
View Original"Built an LLM proxy that sits in front of any OpenAI-compatible endpoint and blocks prompt injection before it reaches your model."
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