AI Security Platform

Provably safe,
not probably safe

Detect policy violations and block harmful prompts or responses deterministically, faster and cheaper than a guard LLM.

Analysis latency measured in milliseconds. Zero retention of your conversation data. No additional LLM in the loop.

Free plan · No credit card required

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Swipe to explore

See Hyperfence in action: no sign-up required.

Chat with a live AI model running behind a real Hyperfence instance. Watch prompts get inspected, policies enforced, and threats stopped in real time.

What's included

Start protecting your AI today, for free

Vector Hyperfencing

Preset mathematically-defined safe zones keep your AI on-topic and policy-compliant out of the box. Custom zones available on premium.

Usage & Token Stats

See token consumption and request volumes across your models. Deeper analytics and trend history are available on Pro.

Blocked Event Log

Metrics on blocked prompts and responses are logged against the reason for the block.