Head to head
d1 scores 82.7 and Drex Max 84.1 on the System One Index. d1 is more accurate on 5 of 16 text datasets, Drex Max on 10, and 1 are tied. Same cases, same request, same scorer.
| d1 | Drex Max | |
|---|---|---|
| System One Index | 82.7 | 84.1 |
| English | 81.3 | 82.8 |
| Arabic | 83.9 | 84.5 |
| Vision Index | – | – |
| Calibration error | 2.9% | 6.2% |
| Median latency | 188 ms | 277 ms |
| Cost per 1,000 calls | $0.015 | $0.021 |
| d1 | Drex Max | |
|---|---|---|
| AG News English | 90.0 | 90.5 |
| SST-2 English | 95.5 | 96.0 |
| SST-5 English | 56.5 | 59.0 |
| DAIR Emotion English | 63.5 | 65.0 |
| Banking77 English | 89.0 | 90.5 |
| BoolQ English | 90.0 | 93.0 |
| XNLI English English | 91.3 | 95.3 |
| Typed decisions English | 74.5 | 73.0 |
| XNLI French French | 84.7 | 91.3 |
| XNLI Arabic Arabic | 80.0 | 89.3 |
| MASSIVE scenario Arabic | 73.0 | 73.0 |
| MASSIVE intent Arabic | 90.0 | 88.0 |
| OSACT4 offensive Arabic | 95.5 | 93.5 |
| Tweet sentiment Arabic | 67.5 | 69.0 |
| MIRACL rerank Arabic | 90.5 | 89.5 |
| MIRACL pairwise Arabic | 91.0 | 89.5 |
Model pages: d1 · Drex Max. Latency for API models is the median per call through OpenRouter, timed from a cloud server with 8 calls in flight.