- Tencent Hunyuan launched the Hy Translation app on September 24, 2026, distinct from the Hy-MT2 model's open-source release in May.
- The app supports 33 languages plus five Chinese minority languages and dialects, with offline translation capability.
- Hy-MT2 ships in three sizes (1.8B, 7B, 30B-A3B) and achieved top results at WMT2025.
App Launch vs. Model Release
Tencent Hunyuan announced the Hy Translation app on September 24, 2026, making its Hy-MT2 translation model available as a consumer product for the first time. The underlying Hy-MT2 model series was open-sourced in May 2026 in three variants — 1.8B, 7B and 30B-A3B parameters — but the mobile application, WeChat mini-program, PC client and browser plugin were not released until that date.
The timing coincides with China's upcoming National Day and Mid-Autumn Festival holidays, positioning the app for outbound travel demand. It is available in domestic app stores and in 12 overseas markets including the United States, Japan, South Korea, Singapore, Malaysia, Thailand, Vietnam, Myanmar and China's Hong Kong, Macau and Taiwan regions.
Features and Model Performance
Hy Translation offers voice, photo, dialogue and offline translation modes. Users can download models locally for use without network connectivity. The app also provides style switching across colloquial, academic, business-formal and news-reporting registers, along with custom terminology memory.
Tencent said the 7B and 30B-A3B Hy-MT2 models reached leading performance among open-source models in general, domain-specific and real-world translation tasks, while the lightweight 1.8B variant outperformed mainstream commercial translation APIs in internal benchmarks. The Hy-MT family previously won 30 out of 31 language pairs in the WMT2025 general translation track, and Tencent has partnered with WMT26 on a video subtitle translation task.
Sources & context
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