Evaluates and certifies AI agents for safe deployment with red teaming and formal guarantees.
Using LLM-driven adversarial attack simulation, conformal prediction for mathematically guaranteed reliability bounds, and real-time hallucination prevention.

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AI Safety & Reliability
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YC W26

Last Updated:
March 19, 2026

Builds an autonomous intelligence safety platform with red teaming frameworks, guardrails, grounding modules, and uncertainty quantification to evaluate, monitor, and certify AI agents for safe deployment in high-stakes environments.
Open-source AI/ML hosting for edge intelligence, red teaming framework for compound AI systems, model-agnostic reliability modules including guardrails, query enhancers, and grounding layers. Technical reports published on arXiv.
Automated remediation tooling and formal adversarial testing pipelines. Expansion into edge-cloud hybrid deployments. Likely certification-as-a-service for regulated industries (finance, healthcare, defense). Published arXiv research builds credibility.
<p>Automated cross-layer red teaming that uses LLMs to simulate and compose multi-stage adversarial attack chains across model, software, and hardware layers of compound AI systems.</p>
It's like hiring a team of elite hackers that never sleep, automatically finding every way your AI system could be tricked or broken before a real attacker does.
Cascade's red teaming framework leverages large language models to automatically generate, compose, and refine sophisticated adversarial attack chains that span multiple layers of a compound AI system—including the model layer (prompt injection, jailbreaks, data poisoning), the software layer (API exploitation, dependency vulnerabilities), and the hardware layer (side-channel attacks, resource exhaustion). Unlike traditional single-layer security scanners, Cascade's approach recognizes that real-world attacks often chain together vulnerabilities across layers to achieve their objectives. The framework iteratively refines attack strategies using LLM-based reasoning, discovering novel attack paths that manual red teams would miss. Results are surfaced as prioritized vulnerability reports with reproduction steps, enabling engineering teams to remediate issues before deployment. This is particularly critical for enterprises deploying autonomous agents in regulated or high-stakes environments where a single cascading failure could have catastrophic consequences.
It's like a chess grandmaster who doesn't just look at one piece on the board but sees the entire sequence of moves that leads to checkmate—except the board is your AI system and the grandmaster is trying to break it.
<p>Mathematically guaranteed uncertainty quantification using conformal prediction and variational temperature scaling to provide calibrated confidence scores and predictive sets for autonomous AI agent outputs.</p>
It gives every AI answer a trustworthy confidence score backed by math, so you know exactly when to trust the robot and when to double-check.
Cascade implements a dual-layer reliability framework combining conformal prediction with variational temperature scaling to provide statistically rigorous uncertainty estimates for any AI model's outputs. Conformal prediction generates predictive sets—ranges of possible outputs—with user-defined error rates (e.g., "I guarantee the correct answer is in this set 95% of the time"), while variational temperature scaling recalibrates the model's raw confidence scores so that when the system says it's 90% sure, it's actually right 90% of the time. This is model-agnostic by design: Cascade's modules wrap around any neural network architecture as plug-and-play layers, requiring no retraining or architectural changes. For enterprises deploying autonomous agents in healthcare, finance, or legal domains, this transforms AI from a black-box oracle into a system with mathematically guaranteed reliability bounds. Decision-makers can set acceptable risk thresholds, and the system automatically flags or withholds outputs that fall outside those bounds, dramatically reducing the risk of hallucination-driven errors in production.
It's like a weather forecast that doesn't just say "it'll be sunny" but tells you "there's a 95% chance the temperature will be between 72°F and 78°F"—except for every decision your AI makes.
<p>Real-time guardrail and grounding system that filters unsafe outputs, rewrites adversarial prompts, and cross-references AI-generated claims against verified knowledge sources to prevent hallucinations and data poisoning in production AI agents.</p>
It's a real-time fact-checker and bouncer for your AI, catching made-up answers and blocking malicious inputs before they ever reach the user.
Cascade's guardrails and grounding modules form a multi-layered defense system that operates in real-time on every input and output of an autonomous AI agent. The guardrail layer uses few-shot learning classifiers to detect and filter unsafe, toxic, or policy-violating content, adapting rapidly to new threat categories without full model retraining. The query enhancer component intercepts and rewrites adversarial or ambiguous prompts—neutralizing prompt injection attacks and reformulating vague queries into precise, safe instructions before they reach the underlying model. The grounding module then cross-references every AI-generated claim against verified knowledge bases, retrieval-augmented generation (RAG) pipelines, and structured data sources, flagging or blocking outputs that cannot be substantiated. Together, these modules create a trust layer that sits between the AI agent and the end user, ensuring that only factual, safe, and policy-compliant responses are delivered. The system is designed for production-grade latency requirements, adding minimal overhead while dramatically reducing the operational cost of human review and post-hoc correction. For enterprises scaling autonomous agents across customer-facing applications, this transforms AI deployment from a liability management exercise into a reliable, auditable capability.
It's like having a combination spell-checker, fact-checker, and nightclub bouncer standing between your AI and the outside world—nothing gets through unless it's accurate, safe, and on the guest list.
Combines BAIR Lab AI safety research with real-world production experience at Netflix and Amazon, understanding both theoretical failure modes and practical deployment realities of autonomous AI systems.