Head to head
Drex v1.5 scores 77.6 and Solar Decide 68.8 on the System One Index. Drex v1.5 is more accurate on 12 of 16 text datasets, Solar Decide on 3, and 1 are tied. Same cases, same request, same scorer.
| Drex v1.5 | Solar Decide | |
|---|---|---|
| System One Index | 77.6 | 68.8 |
| English | 77.6 | 64.7 |
| Arabic | 77.0 | 73.7 |
| Vision Index | – | – |
| Calibration error | 10.8% | 20.3% |
| Median latency | 198 ms | 715 ms |
| Cost per 1,000 calls | $0.010 | $0.042 |
| Drex v1.5 | Solar Decide | |
|---|---|---|
| AG News English | 90.0 | 86.0 |
| SST-2 English | 94.5 | 91.5 |
| SST-5 English | 53.5 | 53.5 |
| DAIR Emotion English | 53.5 | 54.0 |
| Banking77 English | 87.0 | 1.0 |
| BoolQ English | 89.0 | 87.0 |
| XNLI English English | 88.7 | 74.7 |
| Typed decisions English | 64.8 | 69.9 |
| XNLI French French | 82.0 | 67.3 |
| XNLI Arabic Arabic | 74.0 | 58.0 |
| MASSIVE scenario Arabic | 58.5 | 55.5 |
| MASSIVE intent Arabic | 77.5 | 75.0 |
| OSACT4 offensive Arabic | 90.5 | 86.0 |
| Tweet sentiment Arabic | 63.5 | 71.5 |
| MIRACL rerank Arabic | 89.0 | 84.5 |
| MIRACL pairwise Arabic | 86.0 | 85.5 |
Model pages: Drex v1.5 · Solar Decide. Latency for API models is the median per call through OpenRouter, timed from one machine.