Quality
Calibration report: dex-1.0.1
Calibration cal-20260926-1. Measured agreement and calibration error, with the reliability bins behind the curves.
Model dex-1.0.1, calibration cal-20260926-1. The alias dex-1 answers with this version. Measured 2026-09-26 on Dex's production path in the EU. Evaluation set: Dex decision eval v1, test split: 300 items, 921 questions, English and Dutch; reference = average of gpt-5.3-chat and claude-opus-5 (they agree on 96.3%); temperatures fitted on the 100-item dev split.
Measurements
| Measurement | Value |
|---|---|
| Agreement with reference labels, English and Dutch (921 questions) | 82.3% |
| Agreement, English (465 questions) | 84.9% |
| Agreement, Dutch (456 questions) | 79.6% |
| Agreement, pick (400 questions) | 83.0% |
| Agreement, check (353 questions) | 90.4% |
| Agreement, rate (beta) (168 questions) | 63.7% |
| Calibration error (ECE), all questions (921 questions) | 0.044 |
| Calibration error (ECE), pick (400 questions) | 0.048 |
| Calibration error (ECE), check (353 questions) | 0.052 |
| Calibration error (ECE), rate (beta) (168 questions) | 0.138 |
| Latency p50, live API, end to end | 278 ms |
| Latency p95, live API, end to end | 496 ms |
| Latency p99, live API, end to end | 636 ms |
| Determinism, byte-identical answers on repeats (400 items, 3 repeats each) | 100.0% |
For rate, agreement counts the most probable level. Counted on rating rounded to the nearest level, it is 58.3%. The rating is off by 0.591 levels on average.
Latency: 14,868 successful requests to https://api.thinqit.ai on 27 Sep 2026, sent by our own client with 4 to 12 requests in flight to one Dex inference node that also served other test traffic, timed from sending the request to the end of the answer. A dedicated run on the same GPU path on 26 Sep 2026 at 8 requests per second (1,448 requests) measured p50 127 ms and p95 259 ms.
Determinism: on 27 Sep 2026 each of 400 evaluation items was sent 3 times through the live API, and all 400 gave byte-identical answers every time. Each of the 4 recorded race workflows gave one answer set over 500 repeats.
Percentages are rounded to one decimal and ECE to three, and a value exactly halfway is rounded down. rate questions are in beta: their agreement and calibration error miss our bars. See Quality bars.
Reliability
Each row is one bin of answers of a question type, with about the same number of answers per bin: the probability Dex gave on average, how often that answer was right, and how many answers the bin holds. A calibrated version is right about as often as it says.
| Type | Bin | Probability given | Right this often | Answers |
|---|---|---|---|---|
| pick | 1 | 0.4721 | 0.4615 | 26 |
| pick | 2 | 0.6190 | 0.5926 | 27 |
| pick | 3 | 0.7158 | 0.7037 | 27 |
| pick | 4 | 0.7891 | 0.6538 | 26 |
| pick | 5 | 0.8374 | 0.7037 | 27 |
| pick | 6 | 0.8684 | 0.8519 | 27 |
| pick | 7 | 0.8850 | 0.7692 | 26 |
| pick | 8 | 0.9002 | 0.9630 | 27 |
| pick | 9 | 0.9112 | 0.9630 | 27 |
| pick | 10 | 0.9195 | 0.9615 | 26 |
| pick | 11 | 0.9266 | 0.9259 | 27 |
| pick | 12 | 0.9329 | 0.9630 | 27 |
| pick | 13 | 0.9376 | 0.9615 | 26 |
| pick | 14 | 0.9437 | 0.9630 | 27 |
| pick | 15 | 0.9535 | 1.0000 | 27 |
| check | 1 | 0.0356 | 0.0000 | 23 |
| check | 2 | 0.0539 | 0.0000 | 24 |
| check | 3 | 0.0800 | 0.0870 | 23 |
| check | 4 | 0.1168 | 0.0000 | 26 |
| check | 5 | 0.1618 | 0.1905 | 21 |
| check | 6 | 0.2511 | 0.2500 | 24 |
| check | 7 | 0.4369 | 0.4000 | 25 |
| check | 8 | 0.5988 | 0.7273 | 22 |
| check | 9 | 0.7299 | 0.7826 | 23 |
| check | 10 | 0.8250 | 0.8333 | 24 |
| check | 11 | 0.8953 | 1.0000 | 23 |
| check | 12 | 0.9273 | 1.0000 | 26 |
| check | 13 | 0.9455 | 1.0000 | 22 |
| check | 14 | 0.9586 | 1.0000 | 23 |
| check | 15 | 0.9714 | 1.0000 | 24 |
| rate | 1 | 0.3693 | 0.3636 | 11 |
| rate | 2 | 0.4618 | 0.6364 | 11 |
| rate | 3 | 0.5067 | 0.4545 | 11 |
| rate | 4 | 0.5520 | 0.3636 | 11 |
| rate | 5 | 0.6169 | 0.5833 | 12 |
| rate | 6 | 0.6844 | 0.5455 | 11 |
| rate | 7 | 0.7162 | 0.4545 | 11 |
| rate | 8 | 0.7552 | 0.4545 | 11 |
| rate | 9 | 0.7975 | 0.9091 | 11 |
| rate | 10 | 0.8197 | 0.6667 | 12 |
| rate | 11 | 0.8534 | 0.7273 | 11 |
| rate | 12 | 0.8776 | 0.5455 | 11 |
| rate | 13 | 0.9030 | 0.8182 | 11 |
| rate | 14 | 0.9274 | 1.0000 | 11 |
| rate | 15 | 0.9451 | 1.0000 | 12 |
All versions and the current measurements are on Calibration reports. How the numbers are made: Calibration.