Drex Max
Nace.AI · nace-ai/drex-max · added 22 Oct 2026
Drex Max by Nace.AI ranks #1 of 18 AI decision models on the DecisionBench Rulebook benchmark (following written rules), with accuracy 99.4%. View on OpenRouter.
- Rulebook rank
- #1 of 18
- Accuracy
- 99.4%
- Team
- 98.3%
- Refund
- 100.0%
- Urgency
- 100.0%
- Confidence gap
- 0.005
120 tickets · 0.0% of mistakes made while at least 90% sure · $0.0643 per 1,000 tickets · 399 ms per ticket
Every ticket
The model's three decisions on each ticket, with its confidence. Wrong answers show the right one. 2 of 120 tickets had at least one mistake.
| Ticket | Customer wrote | Team | Refund | Urgency |
|---|---|---|---|---|
| T-1000 | I was charged twice for order #680007. Please fix the duplicate charge. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1001 | I cancelled my plan on the 20th and was still charged this month. I want that money back. | correct billing 100% | correct approve 100% | correct 1 100% |
| T-1002 | My invoice says $142 but checkout showed $122. Why was I charged more? | correct billing 100% | correct approve 100% | correct 1 100% |
| T-1003 | There's an order #537756 on my account that I did not place. Also, a second problem: Sync stops halfway through and shows error E-673. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1004 | There's an order #250882 on my account I didn't recognise at first, but it turns out my partner placed it. It's now 10 days late. | correct shipping 100% | correct approve 100% | correct 2 100% |
| T-1005 | The payment for #611274 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct approve 100% | correct 4 100% |
| T-1006 | I was charged twice for order #638446. Please fix the duplicate charge. And separately: Tracking says delivered but there is nothing at my door or with my neighbours. | correct billing 100% | correct deny 100% | correct 3 100% |
| T-1007 | My package for order #780678 hasn't arrived and tracking hasn't moved in 4 days. | correct shipping 100% | correct approve 100% | correct 1 100% |
| T-1008 | Please refund me. The jacket arrived on time but it doesn't fit. | correct returns 100% | correct approve 100% | correct 3 100% |
| T-1009 | I got a login alert from a country I've never been to. Also, a second problem: You sent me the wrong colour. How do I return it? | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1010 | Tracking says delivered but there is nothing at my door or with my neighbours. | correct shipping 100% | correct approve 100% | correct 0 100% |
| T-1011 | The package came quickly, but it's the wrong item entirely. I want to send it back. | correct returns 100% | correct deny 100% | correct 4 100% |
| T-1012 | The courier sent order #885341 to my old address instead of the one I entered. | correct shipping 100% | correct approve 100% | correct 3 100% |
| T-1013 | My invoice says $410 but checkout showed $390. Why was I charged more? And separately: The app crashes every time I open the settings page. | correct billing 100% | correct approve 100% | correct 1 100% |
| T-1014 | I asked for a password reset an hour ago, but the link in the email says it has expired. | correct technical 100% | correct deny 100% | correct 3 100% |
| T-1015 | The item I ordered is the wrong size. I'd like to send it back. | correct returns 100% | correct approve 100% | correct 3 100% |
| T-1016 | Tracking says delivered but there is nothing at my door or with my neighbours. One more thing: I got a login alert from a country I've never been to. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1017 | I changed my mind about order #213061 and want to return it. | correct returns 100% | correct approve 100% | correct 0 100% |
| T-1018 | The tracking page shows a blank screen every time I open it. The package itself arrived fine. | correct technical 100% | correct deny 100% | correct 3 100% |
| T-1019 | Sync stops halfway through and shows error E-219. One more thing: The payment for #546481 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct deny 100% | correct 1 100% |
| T-1020 | You sent me the wrong colour. How do I return it? | correct returns 100% | correct approve 100% | correct 1 100% |
| T-1021 | The invoice page won't load, it just spins. The charge itself is correct. | wrong billing → technical 68% | correct deny 100% | correct 3 100% |
| T-1022 | I bought the wrong plan by mistake and want to undo the purchase. | correct returns 100% | correct deny 100% | correct 4 100% |
| T-1023 | There's an order #678886 on my account that I did not place. Also, a second problem: The payment for #699070 shows on my bank statement but your site still says unpaid. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1024 | I changed my account email myself yesterday, and now the app won't accept the new one when I log in. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1025 | The app crashes every time I open the settings page. | correct technical 100% | correct deny 100% | correct 4 100% |
| T-1026 | Export to PDF has been broken since the last update. And separately: My invoice says $586 but checkout showed $566. Why was I charged more? | correct billing 100% | correct deny 100% | correct 4 100% |
| T-1027 | I can't log in. It keeps saying "session expired" even after resetting my password. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1028 | I can't log in because my password was changed, and I never asked for that. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1029 | I was charged twice for order #477211. Please fix the duplicate charge. One more thing: You sent me the wrong colour. How do I return it? | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1030 | Export to PDF has been broken since the last update. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1031 | I bought this ebook by mistake, I meant to get the audiobook. Can I get my money back? | correct returns 100% | correct approve 100% | correct 4 100% |
| T-1032 | Sync stops halfway through and shows error E-628. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1033 | The payment for #466055 shows on my bank statement but your site still says unpaid. One more thing: My package for order #930701 hasn't arrived and tracking hasn't moved in 4 days. | correct billing 100% | correct deny 100% | correct 2 100% |
| T-1034 | I cancelled my plan on the 1st and was still charged this month. I want that money back. | correct billing 100% | correct approve 100% | correct 3 100% |
| T-1035 | I got a login alert from a country I've never been to. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1036 | I can't log in. It keeps saying "session expired" even after resetting my password. One more thing: I was charged twice for order #924019. Please fix the duplicate charge. | correct billing 100% | correct approve 100% | correct 3 100% |
| T-1037 | Someone changed the email on my account without my permission. | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1038 | There's an order #346522 on my account I didn't recognise at first, but it turns out my partner placed it. It's now 5 days late. | correct shipping 100% | correct approve 100% | correct 3 100% |
| T-1039 | The courier sent order #823637 to my old address instead of the one I entered. Also, a second problem: Sync stops halfway through and shows error E-239. | correct shipping 100% | correct approve 100% | correct 4 100% |
| T-1040 | There's an order #832730 on my account that I did not place. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1041 | Please refund me. The jacket arrived on time but it doesn't fit. | correct returns 100% | correct deny 100% | correct 1 100% |
| T-1042 | I was charged twice for order #996453. Please fix the duplicate charge. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1043 | Tracking says delivered but there is nothing at my door or with my neighbours. And separately: Someone changed the email on my account without my permission. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1044 | The package came quickly, but it's the wrong item entirely. I want to send it back. | correct returns 100% | correct approve 100% | correct 4 100% |
| T-1045 | My invoice says $135 but checkout showed $115. Why was I charged more? | correct billing 100% | correct approve 100% | correct 1 100% |
| T-1046 | The app crashes every time I open the settings page. And separately: The payment for #668003 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct approve 100% | correct 0 100% |
| T-1047 | The payment for #251974 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct approve 100% | correct 0 100% |
| T-1048 | I asked for a password reset an hour ago, but the link in the email says it has expired. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1049 | I changed my mind about order #436330 and want to return it. Also, a second problem: There's an order #734491 on my account that I did not place. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1050 | My package for order #594998 hasn't arrived and tracking hasn't moved in 6 days. | correct shipping 100% | correct approve 100% | correct 3 100% |
| T-1051 | The tracking page shows a blank screen every time I open it. The package itself arrived fine. | correct technical 100% | correct deny 100% | correct 3 100% |
| T-1052 | Tracking says delivered but there is nothing at my door or with my neighbours. | correct shipping 100% | correct deny 100% | correct 2 100% |
| T-1053 | The item I ordered is the wrong size. I'd like to send it back. And separately: The app crashes every time I open the settings page. | correct returns 100% | correct deny 100% | correct 2 100% |
| T-1054 | The invoice page won't load, it just spins. The charge itself is correct. | wrong billing → technical 61% | correct deny 100% | correct 0 100% |
| T-1055 | The courier sent order #975175 to my old address instead of the one I entered. | correct shipping 100% | correct approve 100% | correct 1 100% |
| T-1056 | The item I ordered is the wrong size. I'd like to send it back. Also, a second problem: My invoice says $578 but checkout showed $558. Why was I charged more? | correct billing 100% | correct approve 100% | correct 4 100% |
| T-1057 | The item I ordered is the wrong size. I'd like to send it back. | correct returns 100% | correct approve 100% | correct 2 100% |
| T-1058 | I changed my account email myself yesterday, and now the app won't accept the new one when I log in. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1059 | You sent me the wrong colour. How do I return it? One more thing: There's an order #489343 on my account that I did not place. | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1060 | I changed my mind about order #385879 and want to return it. | correct returns 100% | correct deny 100% | correct 2 100% |
| T-1061 | I can't log in because my password was changed, and I never asked for that. | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1062 | You sent me the wrong colour. How do I return it? | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1063 | I got a login alert from a country I've never been to. And separately: I can't log in. It keeps saying "session expired" even after resetting my password. | correct fraud 100% | correct deny 100% | correct 4 99% |
| T-1064 | I bought this ebook by mistake, I meant to get the audiobook. Can I get my money back? | correct returns 100% | correct deny 100% | correct 3 100% |
| T-1065 | I bought the wrong plan by mistake and want to undo the purchase. | correct returns 100% | correct approve 100% | correct 2 100% |
| T-1066 | The payment for #781224 shows on my bank statement but your site still says unpaid. And separately: Tracking says delivered but there is nothing at my door or with my neighbours. | correct billing 100% | correct approve 100% | correct 3 100% |
| T-1067 | The app crashes every time I open the settings page. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1068 | I cancelled my plan on the 12th and was still charged this month. I want that money back. | correct billing 100% | correct deny 100% | correct 3 100% |
| T-1069 | I was charged twice for order #773212. Please fix the duplicate charge. One more thing: Export to PDF has been broken since the last update. | correct billing 100% | correct deny 100% | correct 3 100% |
| T-1070 | I can't log in. It keeps saying "session expired" even after resetting my password. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1071 | There's an order #193724 on my account I didn't recognise at first, but it turns out my partner placed it. It's now 6 days late. | correct shipping 100% | correct approve 100% | correct 3 100% |
| T-1072 | Export to PDF has been broken since the last update. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1073 | The courier sent order #360706 to my old address instead of the one I entered. One more thing: I changed my mind about order #611142 and want to return it. | correct shipping 100% | correct deny 100% | correct 4 100% |
| T-1074 | Please refund me. The jacket arrived on time but it doesn't fit. | correct fraud 100% | correct deny 100% | correct 1 100% |
| T-1075 | Sync stops halfway through and shows error E-482. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1076 | Sync stops halfway through and shows error E-623. Also, a second problem: My invoice says $633 but checkout showed $613. Why was I charged more? | correct billing 100% | correct approve 100% | correct 2 100% |
| T-1077 | I got a login alert from a country I've never been to. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1078 | The package came quickly, but it's the wrong item entirely. I want to send it back. | correct returns 100% | correct deny 100% | correct 3 100% |
| T-1079 | I changed my mind about order #971088 and want to return it. And separately: Export to PDF has been broken since the last update. | correct returns 100% | correct deny 100% | correct 3 100% |
| T-1080 | Someone changed the email on my account without my permission. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1081 | I asked for a password reset an hour ago, but the link in the email says it has expired. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1082 | There's an order #419807 on my account that I did not place. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1083 | The payment for #230504 shows on my bank statement but your site still says unpaid. Also, a second problem: I can't log in. It keeps saying "session expired" even after resetting my password. | correct billing 100% | correct approve 100% | correct 2 100% |
| T-1084 | The tracking page shows a blank screen every time I open it. The package itself arrived fine. | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1085 | I was charged twice for order #335464. Please fix the duplicate charge. | correct billing 100% | correct deny 100% | correct 1 100% |
| T-1086 | The courier sent order #455835 to my old address instead of the one I entered. Also, a second problem: The app crashes every time I open the settings page. | correct fraud 100% | correct deny 100% | correct 2 100% |
| T-1087 | My invoice says $156 but checkout showed $136. Why was I charged more? | correct billing 100% | correct approve 100% | correct 4 100% |
| T-1088 | The invoice page won't load, it just spins. The charge itself is correct. | correct technical 74% | correct deny 91% | correct 3 100% |
| T-1089 | The courier sent order #805614 to my old address instead of the one I entered. One more thing: I got a login alert from a country I've never been to. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1090 | The payment for #617914 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct deny 100% | correct 3 100% |
| T-1091 | I changed my account email myself yesterday, and now the app won't accept the new one when I log in. | correct fraud 100% | correct deny 100% | correct 4 99% |
| T-1092 | My package for order #866428 hasn't arrived and tracking hasn't moved in 8 days. | correct shipping 100% | correct approve 100% | correct 2 100% |
| T-1093 | I can't log in. It keeps saying "session expired" even after resetting my password. And separately: The payment for #860116 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct deny 100% | correct 2 100% |
| T-1094 | I can't log in because my password was changed, and I never asked for that. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1095 | Tracking says delivered but there is nothing at my door or with my neighbours. | correct shipping 100% | correct approve 100% | correct 2 100% |
| T-1096 | I bought the wrong plan by mistake and want to undo the purchase. And separately: Someone changed the email on my account without my permission. | correct fraud 100% | correct deny 100% | correct 3 100% |
| T-1097 | The courier sent order #939646 to my old address instead of the one I entered. | correct shipping 100% | correct deny 100% | correct 1 100% |
| T-1098 | I bought this ebook by mistake, I meant to get the audiobook. Can I get my money back? | correct returns 100% | correct approve 100% | correct 1 100% |
| T-1099 | My package for order #247674 hasn't arrived and tracking hasn't moved in 3 days. One more thing: I changed my mind about order #232773 and want to return it. | correct shipping 100% | correct approve 100% | correct 4 100% |
| T-1100 | The item I ordered is the wrong size. I'd like to send it back. | correct returns 100% | correct approve 100% | correct 2 100% |
| T-1101 | I cancelled my plan on the 1st and was still charged this month. I want that money back. | correct billing 100% | correct approve 100% | correct 4 98% |
| T-1102 | I changed my mind about order #385270 and want to return it. | correct returns 100% | correct approve 100% | correct 4 100% |
| T-1103 | My invoice says $241 but checkout showed $221. Why was I charged more? And separately: You sent me the wrong colour. How do I return it? | correct billing 100% | correct approve 100% | correct 2 100% |
| T-1104 | There's an order #761633 on my account I didn't recognise at first, but it turns out my partner placed it. It's now 9 days late. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1105 | You sent me the wrong colour. How do I return it? | correct returns 100% | correct approve 100% | correct 2 100% |
| T-1106 | Tracking says delivered but there is nothing at my door or with my neighbours. One more thing: Someone changed the email on my account without my permission. | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1107 | I bought the wrong plan by mistake and want to undo the purchase. | correct returns 100% | correct deny 100% | correct 3 100% |
| T-1108 | Please refund me. The jacket arrived on time but it doesn't fit. | correct returns 100% | correct approve 100% | correct 1 100% |
| T-1109 | You sent me the wrong colour. How do I return it? One more thing: The payment for #469814 shows on my bank statement but your site still says unpaid. | correct billing 100% | correct approve 100% | correct 2 100% |
| T-1110 | The app crashes every time I open the settings page. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1111 | The package came quickly, but it's the wrong item entirely. I want to send it back. | correct returns 100% | correct approve 100% | correct 2 100% |
| T-1112 | I can't log in. It keeps saying "session expired" even after resetting my password. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1113 | The app crashes every time I open the settings page. One more thing: My invoice says $158 but checkout showed $138. Why was I charged more? | correct billing 100% | correct approve 100% | correct 3 100% |
| T-1114 | I asked for a password reset an hour ago, but the link in the email says it has expired. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1115 | Export to PDF has been broken since the last update. | correct technical 100% | correct deny 100% | correct 1 100% |
| T-1116 | Someone changed the email on my account without my permission. Also, a second problem: My invoice says $546 but checkout showed $526. Why was I charged more? | correct fraud 100% | correct deny 100% | correct 4 100% |
| T-1117 | Sync stops halfway through and shows error E-711. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1118 | The tracking page shows a blank screen every time I open it. The package itself arrived fine. | correct technical 100% | correct deny 100% | correct 2 100% |
| T-1119 | Tracking says delivered but there is nothing at my door or with my neighbours. And separately: My invoice says $261 but checkout showed $241. Why was I charged more? | correct billing 100% | correct approve 100% | correct 4 100% |
Percentages are the model's own confidence. Every rule is on the Rulebook page.