Compare.
Per criterion: what ROX OS delivers, and what the public pages of Coda, Fire Opal and Classiq say. Sources: their public pages on 9 and 10 September 2026 and our ledger. "Not stated" where their pages do not say. Only criteria on which ROX OS delivers are listed.
Note: FGS reviews this page before release.
| Criterion | ROX OS | Coda (Conductor Quantum) | Fire Opal (Q-CTRL) | Classiq |
|---|---|---|---|---|
| Natural-language entrance | yes | yes | no | partly (model-based synthesis) |
| Forecast sealed before the run (per job, SHA-256) | yes | not stated | not stated | not stated |
| Guarantee: invoice void if the forecast misses | yes (Pilot) | not stated | not stated | not stated |
| Head-to-head against the vendor default, same machine, same window | yes, every duel | not stated | published comparisons | not stated |
| Raw counts and job IDs with every record, recompute in the browser | yes | not stated | not stated | not stated |
| What a machine carries today, per job, before you pay | yes | not stated | not stated | not stated |
| Sealed fixed price per run | yes | credits | not stated | not stated |
| Free simulator tier | 5 runs a month | 2 credits | not stated | free tier |
| Error suppression at run time, no post-processing | yes | not stated | yes | not stated |
| Post-processed results labelled separately | yes | not stated | not stated | not stated |
| Preregistered record with official job IDs | 140+ runs | not stated | not stated | not stated |
| Deepest published duel | depth 230, 16 qubits | not stated | not stated | not stated |
Corrections welcome: raffael@rox-q.com.