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TENCENT / tencent/Hy-SimulMT-30B-A3B-Interleave

Hy-SimulMT-30B-A3B-Interleave

Tencent Hunyuan checkpoint for simultaneous Chinese-English speech translation, included in the October 26, 2026 announcement. It receives incremental audio and produces translated text. The Interleave variant also retains source text; this is a different output, not a quantization. Repository creation on October 22 is not presented as the release date.

01 / SUMMARY

The essential

ORIENTATIONSource text and translation

Primary use stated or inferred cautiously from official documentation.

CONTEXTNot published

Maximum input capacity when published by the source.

EXITNot published

Documented maximum generation limit.

ACCESSHugging Face

Verified availability channels.

MODEL TYPEVoice and audio

Primary functional family and verified specialties.

LICENSEApache 2.0

Declared terms for API access, model weights, or self-hosting.

02 / TECHNICAL SHEET

Limits and integration

API IDtencent/Hy-SimulMT-30B-A3B-Interleave
Model typeVoice and audio
Access modelOpen weights
LicenseApache 2.0
DeploymentSelf-hosting with vLLM and SimulInfer
Release26 OCT 2026
Knowledge cutoffNot published
EntranceAudio
ExitText
Context windowNot published
maximum outputNot published
ReasoningNot published
Published tools
Structured OutingsNot published
Batch processingNot published
Prompt cacheNot published
Fine-tuningNot published
Verified platformsHugging Face · SimulInfer · vLLM
BEST SUITED FOR

Meetings, interviews and speeches where translation should continue as audio arrives. SimulInfer provides file uploads, WebSocket and a web interface; SimulTrain supports continued training. Speech output and voice cloning require a separately configured TTS service: they are not native audio outputs guaranteed by this checkpoint.

WORTH MONITORING

The announcement verifies bidirectional Chinese-English translation; the metadata language list does not demonstrate speech translation in all those languages. Recorded demonstrations do not measure live latency. StreamLAAL measures translation lag, not time to first audio. For llama.cpp support, the project recommends waiting for a compatible release; we do not present it as available stable support.

03 / CAPABILITIES

What it can do

01

Orientation

Meetings, interviews and speeches where translation should continue as audio arrives. SimulInfer provides file uploads, WebSocket and a web interface; SimulTrain supports continued training. Speech output and voice cloning require a separately configured TTS service: they are not native audio outputs guaranteed by this checkpoint.

02

Context

Not published · Not published

03

Tools and integration

Not published

04

Access

Hugging Face

Input modalities
Audio
04 / PRICES

Documented cost

ConceptWorthUnit/condition
Standard inputNo published official API rateStandard API rate
Cached inputNot publishedReading reused prefixes
Cache write or storageNot publishedThe condition varies by provider
Standard outputSelf-hosted infrastructure costMay include reasoning tokens
Batch inputNot publishedAsynchronous processing
Batch outputNot publishedAsynchronous processing

Weights under Apache 2.0, with FP8 and GGUF variants linked as formats of the same family. No hosted API price or universal context or duration limit has been verified. Operation requires resources for the model, audio transport and optional TTS. Voice cloning requires consent and rights to the voice used.

i Prices change and may depend on level, region or context length. Check the source before making a decision.

05 / EVALUATIONS

How to read the results

“

Tencent reports family-level Hy-SimulMT scores of 90.3 on FLEURS, 75.5 on CoVoST2, 81.2 on ACL6060 and 84.7 on RealSI-Sentence, plus approximately three seconds of StreamLAAL on long-form RealSI audio. These tables do not identify an independent score for each checkpoint: we do not duplicate them as individual variant results. The human comparison uses eighteen recordings and six interpreters; it does not establish universal superiority. Not reproduced by Inferama.

i Family results published; no independently verified scores per variant.

Inferama only highlights a “best result” when the metric, test set, configuration, and date allow for an equivalent comparison. The supplier's figures are presented as claims from its own source.

06 / VERSIONS

Chronology

Hy-SimulMT-30B-A3B-Interleave

Version added to Inferama's verified catalog.

07 / SOURCES

Traceability