The short answer
Crux Labs and Fieldguide are both audit & risk tools. They overlap on Cybersecurity. Neither has a clear edge on the figures we track (entry price, review ratings, integrations, frameworks, customers). Best fit: Crux Labs for enterprises deploying customer-facing AI agents in regulated or high-stakes workflows and Fieldguide for top and mid-market accounting firms standardizing audit and advisory delivery across practices. Shortlist on fit, then compare quotes for the same scope.
Which should you choose?
Choose Crux Labs if…
- you're among enterprises deploying customer-facing AI agents in regulated or high-stakes workflows
- you're among teams that want expert-calibrated evaluations without writing every rubric manually
- you're among engineering organizations that need production failure alerts linked to proposed code fixes
- this Fieldguide drawback matters to you: pricing is quote-based, making budgeting difficult for smaller practices
Choose Fieldguide if…
- you're among top and mid-market accounting firms standardizing audit and advisory delivery across practices
- you're among assurance teams wanting AI-assisted planning, testing, review, and workpaper workflows
- you're among firms needing shared client evidence and request management instead of email-driven collection
- this Crux Labs drawback matters to you: pricing, named plans, and trial terms are not publicly disclosed
At a glance
| Attribute | Crux Labs | Fieldguide |
|---|---|---|
| Starting price | Custompricing as of Nov 2026 | Custompricing as of Oct 2026 |
| Pricing model | Annual subscription, quote-based | Annual subscription, quote-based |
| Free trial | Not published | No public free trial is listed; buyers request a demo. |
| Headquarters | New York, NY | San Francisco, CA |
| Funding | Over $6M raised | $125M raised |
| Frameworks | Not published | SOC 2, HIPAA, PCI DSS, HITRUST, ISO 27001, NIST, SOX, FedRAMP |
| Coverage | Healthcare, cybersecurity, financial services, and other high-stakes enterprise use cases | Audit, advisory, assurance, internal audit, cybersecurity, privacy, regulatory compliance, and federal engagements |
| Integrations | Slack, Teams, email alerts, and repository pull requests | 80+ accounting, HRIS, and ticketing systems |
| Customers | Fortune 500 enterprises and high-growth companies | More than half of the Top 100 accounting firms |
| Rating | Not published | 4.4/5 on G2 (10 reviews) |
| Focus | AI agent evaluation | Audit and advisory engagement management |
Figures are as published by each vendor or review site on the verification date. "Leads" marks the stronger published figure; it isn't a recommendation on its own.
Where each one leads
Neither tool has a clear edge on the figures we can compare directly (entry price, review rating, integrations, frameworks, customers, free trial).
Pricing compared
Crux Labs pricing
Custom · pricing as of Nov 2026
Plan-level pricing not published.
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.
Free trial: Not published
Fieldguide pricing
Custom · pricing as of Oct 2026
- Fieldguide platformCustom
Engagement management, client collaboration, workpapers, AI-assisted testing, reporting
Fieldguide sells through a sales-led process and does not publish current list prices. Buyers request a quote for the platform and implementation. Historical bundles used engagement-based pricing and are not a current price guide.
Free trial: No public free trial is listed; buyers request a demo.
Key capabilities
Crux Labs
- 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.
Fieldguide
- AI engagement agents. Field Planner, Field Auditor, Field Reviewer, Field Financials, and Field Orchestrator prepare or execute repeatable work with practitioner checkpoints.
- Engagement management. Teams manage planning through completion with connected people, clients, methodology, status, risk, and open items.
- Client request hub. Clients view requests, upload evidence, exchange files, and collaborate through a shared permissioned workspace.
- Audit testing automation. Field Auditor analyzes populations, performs sampling and extraction, evaluates evidence, and surfaces exceptions.
- Workpaper management. Users store, organize, edit, version, and export Word, Excel, and PDF workpapers tied to engagements.
- Methodology support. Firms can deploy PPC, Mercia, CPA Canada, Thomson Reuters Guided Assurance, or proprietary methodology.
- Insights and analytics. Dashboards measure engagement efficiency, AI adoption, team performance, and time against budget.
Pros and cons
Crux Labs
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.
Fieldguide
Pros
- Covers planning, evidence collection, testing, review, reporting, and client collaboration in one platform.
- Field Agents support repeatable audit procedures while retaining professional review checkpoints.
- Integrates with GRC, accounting, HRIS, ticketing, identity, and file-sharing systems.
- Supports licensed and proprietary methodologies, including Thomson Reuters Guided Assurance.
Cons
- Pricing is quote-based, making budgeting difficult for smaller practices.
- The platform is designed for firms and engagement teams rather than individual auditors.
- AI-generated work remains subject to practitioner review and does not replace professional judgment.
- Advanced capabilities such as time-and-budget insights require an Enterprise subscription.
How they're similar
- Both are listed in our audit & risk directory.
- Both list Cybersecurity.
- Both use quote-based pricing, so the final price depends on scope and negotiation.
How they differ
- Focus
- Crux Labs: AI agent evaluation
- Fieldguide: Audit and advisory engagement management
- Headquarters
- Crux Labs: New York, NY
- Fieldguide: San Francisco, CA
- Funding
- Crux Labs: Over $6M raised
- Fieldguide: $125M raised
- Listed only for this tool
- Crux Labs: AI agent evaluation, Production monitoring, Human judgment, Healthcare, Financial services, Compliance +1 more
- Fieldguide: SOC 2, HIPAA, PCI DSS, HITRUST, ISO 27001, NIST +7 more
Frequently asked questions
Is Crux Labs cheaper than Fieldguide?
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The published prices can't be compared directly (they are quote-based, use different billing units, or aren't published), so request quotes for the same scope. Crux Labs: Custom (annual subscription, quote-based). Fieldguide: Custom (annual subscription, quote-based). (Crux Labs pricing pricing as of Nov 2026; Fieldguide pricing pricing as of Oct 2026.) Total cost depends on plan, company size and add-ons.
Which is better for startups, Crux Labs or Fieldguide?
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Crux Labs's published positioning doesn't single out startups; its first best-fit group is "Enterprises deploying customer-facing AI agents in regulated or high-stakes workflows". Fieldguide's published positioning doesn't single out startups; its first best-fit group is "Top and mid-market accounting firms standardizing audit and advisory delivery across practices". Neither answer replaces a quote for your headcount and scope.
Can I switch from Crux Labs to Fieldguide?
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Yes. They are separate products, so switching means setting up Fieldguide and reconnecting your systems. Check your Crux Labs contract term and renewal date before you commit. Data migration tooling isn't covered in our sources, so ask Fieldguide whether it can import your Crux Labs data.
Does Crux Labs or Fieldguide have more integrations?
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Crux Labs: Slack, Teams, email alerts, and repository pull requests; Fieldguide: 80+ accounting, HRIS, and ticketing systems. Vendor counts are self-reported and define "integration" differently, so check that the specific systems you use are supported.
How do Crux Labs and Fieldguide reviews compare?
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Crux Labs: no rating in our data; Fieldguide scores 4.4/5 from 10 reviews on G2. Ratings are third-party review-site data, not our own testing.
Do Crux Labs and Fieldguide offer a free trial?
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Crux Labs: not published. Fieldguide: No public free trial is listed; buyers request a demo.
Go deeper
Crux Labs
Audit & Risk
Fieldguide
Audit & Risk
Sources
Vendors change pricing and features often, so confirm with each vendor before buying. How we research
Crux Labs
Last verified
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