DeepRails is the kill-switch for AI hallucinations

Adaptive, self-learning guardrails that neutralize costly hallucinations — deployable in under 10 minutes

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One Suite.
‍Total Control Over GenAI Outputs.

Our APIs work together to eliminate hallucinations, certify accuracy, and give enterprises confidence in every AI interaction.

App

API Console

Your GenAI command center. Get full observability into every workflow — track costs, set monitors and alerts, and visualize performance with audit-ready metrics in real time.

API

Defend

Your real-time AI correction engine. Automatically detects low-quality or hallucinated outputs and fixes them with ReGen or FixIt, so only safe, accurate answers reach your customers.

API

Monitor

The Airtag for GenAI workflows. Monitor continuously, detect drift, and access detailed audit logs — giving you complete visibility and compliance proof at scale.

API

Evaluate

The fastest way to test prompts. Instantly benchmark outputs with multi-model scoring and clear diagnostics — helping engineers prove improvements and deploy with confidence.

Guardrails that protect you & your customers

The must-have layer
between LLMs & your end-users

Gain powerful insights into your LLM usage

The DeepRails API Platform makes it easy to quickly gain key insights from your LLM usage. View summary metrics, or dive deeper into individual completions, in real-time, or based on historical data. Our Platform is designed to be your team's control panel for everything GenAI.

The DeepRails API Platform

Shield your brand from reputational risk

Prevent AI missteps that can tarnish your brand with real-time oversight from our Defend API and Monitor API. Our solutions filter out harmful or inaccurate outputs before they ever reach your customers.

see Defend in Action

Accelerate Innovation & Time-to-Market

Launch cutting-edge AI features faster with real-time feedback from our Evaluate API and Monitor API. Iterate prompts in record time using PromptAssist™, so you’re always ahead of the curve. Use our auto-adapt feature to switch to the latest model that has the best performance to cost ratio.

View API Pricing Plans

Solve your customers' AI frustrations

Nobody likes an unhelpful AI chatbot or a poorly executed AI feature. Build AI features & products 2x faster with PromptAssist™, and protect your AI systems from jailbreaks & attacks that give up sensitive company information with our Defend API.

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Our General Purpose
Guardrail Metrics

Our general purpose metrics work wonders out-of-the-box and are useful for most LLM workflows --and for custom metrics unique to your organization, our team builds them for you.

Correctness

Evaluates the accuracy & truthfulness of an AI output

⚡45% more accurate than AWS Bedrock

Completeness

Evaluates how well an AI output addresses the user input

⚡53% more accurate than AWS Bedrock*

Adherence Metrics

Evaluates for instruction, context & ground truth adherence

⚡37% more accurate than AWS Bedrock*

Comprehensive Safety

Evaluates whether explicit content, PII, hateful/violent speech, prompt injections, CBRN, or self-harm is present

⚡51% more accurate than AWS Bedrock*

Adversarial Robustness

Evaluates whether AI maintains correct, policy-compliant behavior even when confronted with malicious instructions, tricky phrasing, typos, or other “stress tests”

Bias & Fairness Alignment

Checks whether responses are free from unfair prejudice or stereotypes regarding protected attributes (like race, gender, or culture) and whether they respect ethical and cultural norms