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What is Crux Labs?
Crux Labs is a New York-based AI-agent evaluation platform founded by Julie Kheyfets and Krishna Kulkarni. It serves high-growth companies and enterprises in regulated and high-stakes industries, with over $6M announced in funding.
Crux Labs evaluates enterprise AI agents against the judgment of domain experts. It captures reasoning from real production traces, generates custom evaluations without requiring customers to write rubrics, calibrates scoring to expert reviewers, and monitors production behavior in real time. When it detects failures, the platform identifies, builds, and verifies agent improvements as merge-ready pull requests for engineers to review and merge.
The platform covers evaluation design, expert calibration, production monitoring, failure alerts, and automated improvement workflows. Crux says it monitors 100% of production traces and can alert in under one minute through Slack, while its homepage also names Teams and email. Public materials do not disclose independently audited accuracy, latency, false-positive rates, uptime, ROI, or a benchmark proving that calibrated scores consistently match expert judgment.
Crux targets customer-facing and high-stakes agents whose mistakes can affect revenue, safety, trust, or compliance, including systems used in healthcare, cybersecurity, and financial services. Its customers reportedly include high-growth companies and Fortune 500 enterprises, but no names or deployment volumes are public. Pricing is quote-based: paying customers receive pricing, support, and data-handling terms in an order form and DPA after a demo.
Crux Labs news
Crux Labs raises $6M+ and exits stealth
An oversubscribed round co-led by Benchstrength and Misneach for its platform that evaluates enterprise AI agents against expert human judgment.
Key features
Expert trace capture
Captures domain experts’ reasoning from real agent traces to establish customer-specific evaluation criteria.
Custom evaluation generation
Generates evaluations without requiring customers to write their own rubrics.
Expert score calibration
Calibrates evaluation scoring to the judgments of a customer’s expert reviewers.
Production monitoring
Monitors production traces in real time and identifies failures across deployed agent workflows.
Failure alerting
Sends operational alerts through Slack, Teams, and email, with the product page claiming Slack alerts can arrive in under one minute.
Agent improvement PRs
Identifies, builds, and verifies agent fixes as merge-ready pull requests for engineering review.
Enterprise controls
Provides stated controls for retention, PII handling, SSO, role-based access, and encryption in transit and at rest.
Crux Labs pricing
Starting price: Custom (as of Nov 2026)
Crux does not publish pricing or named plans. Paying customers receive pricing, support levels, and data-handling terms in a separate order form and DPA. The public conversion path is a demo request.
| Plan | Price | What's included |
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Free trial:
Pros & cons
Pros
- Connects expert judgment to production trace evaluation rather than relying only on generic benchmarks.
- Combines monitoring, alerting, evaluation, and proposed fixes in one workflow.
- Supports operational alerts through Slack, Teams, and email.
- Targets complex enterprise environments where agent errors have material consequences.
Cons
- Pricing, named plans, and trial terms are not publicly disclosed.
- The public product materials do not provide independently audited accuracy, uptime, latency, or ROI data.
- Specific source-control, agent-framework, CRM, and model integrations are not identified.
- No customer names, deployment volumes, or independently verified outcome data are public.
Who is Crux Labs best for?
- Enterprises deploying customer-facing AI agents in regulated or high-stakes workflows.
- Teams that want expert-calibrated evaluations without writing every rubric manually.
- Engineering organizations that need production failure alerts linked to proposed code fixes.
- Companies evaluating agent behavior across revenue, safety, trust, or compliance-sensitive processes.
Use cases
Integrations
Frequently asked questions
How much does Crux Labs cost?
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Crux does not publish prices or named subscription tiers. Paying customers receive pricing, support levels, and data-handling terms in an order form and DPA.
How does Crux Labs work, and how long does implementation take?
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Crux captures expert reasoning from real traces, generates customer-specific evaluations, monitors production behavior, and proposes verified fixes as pull requests. Public materials do not state an implementation timeline, deployment duration, or required onboarding effort.
How does Crux Labs compare with AuditBoard?
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Crux focuses on evaluating and improving AI-agent behavior against expert judgment, including production trace monitoring and code-level fixes. AuditBoard is a broader audit, risk, and compliance management platform, so the products address different workflow layers.
What integrations does Crux Labs support?
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Public materials name Slack, Teams, and email for alerts, plus direct pull requests into a customer’s repository. Crux does not publicly identify specific source-control providers or list integrations with agent frameworks, CRMs, ticketing systems, clouds, or model providers.
Who is Crux Labs for?
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Crux is aimed at high-growth companies and Fortune 500 enterprises deploying customer-facing or high-stakes agents. Its stated focus includes healthcare, cybersecurity, financial services, and other complex industries where errors can affect revenue, safety, trust, or compliance.
How secure and accurate is Crux Labs?
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Crux says customer data is not used to train models and describes retention, PII, SSO, role-based access, and encryption controls. Its marketing pages claim SOC 2, ISO, and HIPAA compliance, but the supplied materials do not include certificate numbers, audit dates, scope, or independent accuracy benchmarks.
Sources
Facts and pricing verified on November 1, 2026. Vendors change pricing often, so confirm with Crux Labs before buying. How we research
- Crux Labs homepage
- Crux Labs product page
- Crux Labs privacy notice
- Crux Labs terms of service
- PR Newswire funding announcement
- Tech Funding News coverage
- Dealroom funding summary
- VC News Daily company listing
Work at Crux Labs or spot something out of date? Suggest a correction. We check every report against a public source and update the page, usually within a few days.
