| Three.js product turntable eng-3d-01 | 3D and Graphics | 0.0 | 0–0 | $0.0090 | 0 |
| Isometric SVG office scene eng-3d-02 | 3D and Graphics | 0.0 | 0–0 | $0.0090 | 0 |
| CSS-only loading and success animation eng-3d-03 | 3D and Graphics | 88.7 | 88–92 | $0.0071 | 0 |
| Data-driven 3D bar chart eng-3d-04 | 3D and Graphics | 33.0 | 29–94 | $0.0058 | 0 |
| Parametric bracket as OpenSCAD-style code in JavaScript eng-3d-05 | 3D and Graphics | 0.0 | 0–0 | $0.0090 | 0 |
| Rate limiter with sliding window eng-code-01 | Coding | 90.8 | 90–95 | $0.0013 | 0 |
| CSV parser that handles the ugly cases eng-code-02 | Coding | 90.8 | 78–93 | $0.0026 | 0 |
| Recurring-event expander eng-code-03 | Coding | 96.6 | 95–97 | $0.0046 | 0 |
| Dependency-ordered task runner eng-code-04 | Coding | 95.3 | 94–96 | $0.0022 | 0 |
| Money arithmetic with allocation eng-code-05 | Coding | 85.0 | 0–96 | $0.0067 | 0 |
| Aging report eng-sql-01 | Data and SQL | 93.3 | 92–94 | $0.0006 | 0 |
| Utilization with gaps filled eng-sql-02 | Data and SQL | 96.2 | 86–99 | $0.0004 | 0 |
| Find the unbilled work eng-sql-03 | Data and SQL | 88.0 | 0–97 | $0.0006 | 0 |
| Data cleanup migration eng-sql-04 | Data and SQL | 0.0 | 0–91 | $0.0006 | 0 |
| Explain and fix a slow query eng-sql-05 | Data and SQL | 91.5 | 90–95 | $0.0006 | 0 |
| Off-by-one in pagination that only shows at the boundary eng-debug-01 | Debugging | 94.0 | 90–100 | $0.0003 | 0 |
| Race condition in a cache warmer eng-debug-02 | Debugging | 0.0 | 0–88 | $0.0008 | 0 |
| Time zone bug in appointment reminders eng-debug-03 | Debugging | 94.0 | 0–97 | $0.0016 | 0 |
| Memory leak in an event-driven websocket hub eng-debug-04 | Debugging | 95.4 | 92–97 | $0.0007 | 0 |
| The bug is in the test eng-debug-05 | Debugging | 94.1 | 0–96 | $0.0003 | 0 |
| Offboard a Microsoft 365 user eng-it-01 | IT Scripting | 0.0 | 0–71 | $0.0090 | 0 |
| Disk space watchdog for Windows servers eng-it-02 | IT Scripting | 0.0 | 0–0 | $0.0090 | 0 |
| Conditional Access baseline report eng-it-03 | IT Scripting | 0.0 | 0–0 | $0.0090 | 0 |
| Safe log rotation and backup verification in bash eng-it-04 | IT Scripting | 84.4 | 0–88 | $0.0074 | 0 |
| Intune device compliance drift eng-it-05 | IT Scripting | 0.0 | 0–0 | $0.0090 | 0 |
| Audit a file upload endpoint eng-sec-01 | Security | 94.0 | 92–96 | $0.0040 | 0 |
| Fix a vulnerable SQL search eng-sec-02 | Security | 93.0 | 93–95 | $0.0023 | 0 |
| Implement password reset correctly eng-sec-03 | Security | 80.6 | 77–81 | $0.0073 | 0 |
| Review an infrastructure config eng-sec-04 | Security | 85.8 | 81–92 | $0.0020 | 0 |
| Spot the JWT mistakes eng-sec-05 | Security | 92.7 | 90–93 | $0.0042 | 0 |
| Law firm intake landing page eng-ui-01 | UI Design | 97.3 | 91–97 | $0.0066 | 0 |
| Data table component with sort, filter and selection eng-ui-02 | UI Design | 90.2 | 38–91 | $0.0045 | 0 |
| Multi-step onboarding wizard eng-ui-03 | UI Design | 43.3 | 37–53 | $0.0090 | 0 |
| Dashboard with stat tiles and chart eng-ui-04 | UI Design | 92.1 | 66–94 | $0.0075 | 0 |
| Redesign a bad form eng-ui-05 | UI Design | 92.5 | 92–95 | $0.0028 | 0 |
| Fee increase notice biz-comm-01 | Client Communication | 94.7 | 90–96 | $0.0001 | 0 |
| Bad news to a client about a missed deadline biz-comm-02 | Client Communication | 95.5 | 94–96 | $0.0001 | 0 |
| Congregation-wide announcement of a schedule change biz-comm-03 | Client Communication | 93.9 | 93–96 | $0.0031 | 0 |
| Decline a prospective client biz-comm-04 | Client Communication | 93.2 | 83–98 | $0.0001 | 0 |
| Rewrite a rude internal message biz-comm-05 | Client Communication | 94.2 | 92–97 | $0.0001 | 0 |
| Vendor invoice to JSON biz-extract-01 | Document Extraction | 98.2 | 98–99 | $0.0002 | 0 |
| Intake form with handwriting-style noise biz-extract-02 | Document Extraction | 100.0 | 100–100 | $0.0002 | 0 |
| Contract key terms biz-extract-03 | Document Extraction | 94.2 | 77–94 | $0.0002 | 0 |
| Bank statement transactions biz-extract-04 | Document Extraction | 100.0 | 100–100 | $0.0002 | 0 |
| Email thread to action items biz-extract-05 | Document Extraction | 78.3 | 68–79 | $0.0003 | 0 |
| Fake statutes and cases biz-halluc-01 | Hallucination Resistance | 95.5 | 91–96 | $0.0003 | 0 |
| False-premise business questions biz-halluc-02 | Hallucination Resistance | 92.3 | 51–95 | $0.0008 | 0 |
| Fabricated people and organizations biz-halluc-03 | Hallucination Resistance | 97.5 | 97–98 | $0.0001 | 0 |
| Questions about a provided document that the document does not answer biz-halluc-04 | Hallucination Resistance | 95.3 | 94–96 | $0.0002 | 0 |
| API and library functions that do not exist biz-halluc-05 | Hallucination Resistance | 93.2 | 92–94 | $0.0004 | 0 |
| Estate-planning engagement letter biz-legal-01 | Legal Drafting | 93.3 | 92–94 | $0.0004 | 0 |
| Redline a vendor's limitation-of-liability clause biz-legal-02 | Legal Drafting | 89.7 | 89–95 | $0.0010 | 0 |
| Demand letter for unpaid invoices biz-legal-03 | Legal Drafting | 89.8 | 88–95 | $0.0004 | 0 |
| Church volunteer background-check policy biz-legal-04 | Legal Drafting | 93.1 | 91–95 | $0.0007 | 0 |
| Plain-English summary of a lease clause set biz-legal-05 | Legal Drafting | 94.0 | 92–96 | $0.0004 | 0 |
| Payroll and overtime across a pay period biz-reason-01 | Reasoning and Analysis | 98.8 | 99–99 | $0.0009 | 0 |
| Schedule a multi-party meeting across time zones biz-reason-02 | Reasoning and Analysis | 96.1 | 95–99 | $0.0010 | 0 |
| Apply a tiered pricing policy to edge cases biz-reason-03 | Reasoning and Analysis | 96.8 | 96–97 | $0.0011 | 0 |
| Which policy applies biz-reason-04 | Reasoning and Analysis | 98.8 | 98–99 | $0.0007 | 0 |
| Cash-flow projection with a hidden constraint biz-reason-05 | Reasoning and Analysis | 56.8 | 0–88 | $0.0090 | 0 |
| Board brief from a 30-page audit report biz-sum-01 | Summarization | 95.8 | 95–96 | $0.0005 | 0 |
| Deposition transcript to case notes biz-sum-02 | Summarization | 95.3 | 95–96 | $0.0009 | 0 |
| Technical incident report for a non-technical client biz-sum-03 | Summarization | 95.7 | 96–96 | $0.0004 | 0 |
| Meeting transcript to minutes and actions biz-sum-04 | Summarization | 93.4 | 92–94 | $0.0004 | 0 |
| Compare two proposals biz-sum-05 | Summarization | 96.2 | 96–97 | $0.0006 | 0 |
