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GitHub Open Source OpenMOSS/MOSS-TTS-Nano

MOSS-TTS-Nano is an open-source multilingual tiny speech generation model from MOSI.AI and the OpenMOSS team. With only 0.1B parameters, it is designed for realtime speech generation, can run directly on CPU without a GPU, and keeps the deployment stack simple enough for local demos, web serving, and lightweight product integration.

2,049
Traction Score
276
Forks
Apr 10, 2026
Launch Date
View Origin Link

Product Positioning & Context

AI Executive Synthesis
Delivering customizable speech output (rate control) and optimizing real-time streaming performance on CPU-only deployments.
This issue highlights two critical performance and feature gaps for MOSS-TTS-Nano, directly contradicting its "realtime speech generation" and "CPU without a GPU" value proposition. First, the user inquires about speech rate control, a fundamental feature for practical TTS applications. Second, the explicit mention of "CPU streaming mode being sluggish" ("比较卡顿") and the provided performance metrics (4s audio taking 11.6s elapsed time on 4 CPU threads) confirm significant latency issues. This performance deficit on CPU, combined with a lack of basic customization, severely limits the model's utility for real-time interactive applications or scenarios requiring dynamic speech output. The market implication is that the model, despite its small size, fails to meet core performance and feature expectations for its target use cases, hindering adoption in applications where responsiveness and control are paramount.
MOSS-TTS-Nano is an open-source multilingual tiny speech generation model from MOSI.AI and the OpenMOSS team. With only 0.1B parameters, it is designed for realtime speech generation, can run directly on CPU without a GPU, and keeps the deployment stack simple enough for local demos, web serving, and lightweight product integration.
audio-tokenizer chinese english multi-modality multilingual realtime streaming-audio tts

Related Ecosystem & Alternatives

Discover adjacent products, open-source repositories, and developer tools sharing similar technical architecture.

Deep-Dive FAQs

What is OpenMOSS/MOSS-TTS-Nano?
OpenMOSS/MOSS-TTS-Nano is analyzed by our AI as: Delivering customizable speech output (rate control) and optimizing real-time streaming performance on CPU-only deployments.. It focuses on This issue highlights two critical performance and feature gaps for MOSS-TTS-Nano, directly contradicting its "realtime speech generation" and "CPU...
Where did OpenMOSS/MOSS-TTS-Nano originate?
Data for OpenMOSS/MOSS-TTS-Nano was aggregated directly from the GitHub Open Source community ecosystem, representing raw developer and early-adopter sentiment.
When was OpenMOSS/MOSS-TTS-Nano publicly launched?
The initial public indexing or launch date for OpenMOSS/MOSS-TTS-Nano within our tracked developer communities was recorded on April 10, 2026.
How popular is OpenMOSS/MOSS-TTS-Nano?
OpenMOSS/MOSS-TTS-Nano has achieved measurable traction, logging over 2,049 traction score and facilitating 276 recorded discussions or engagements.
Which technical categories define OpenMOSS/MOSS-TTS-Nano?
Based on metadata extraction, OpenMOSS/MOSS-TTS-Nano is categorized under topics such as: audio-tokenizer, chinese, english, multi-modality.
Are there active development issues for OpenMOSS/MOSS-TTS-Nano?
Yes, we are currently tracking open architectural debates and bug reports for this project on GitHub. There are currently 5 active high-priority issues logged recently.
What are some commercial alternatives to OpenMOSS/MOSS-TTS-Nano?
Our semantic intelligence engine identifies potential commercial alternatives in the SaaS space, such as VoxCPM2, which offers overlapping value propositions.
How does the creator describe OpenMOSS/MOSS-TTS-Nano?
The original author or development team describes the product as follows: "MOSS-TTS-Nano is an open-source multilingual tiny speech generation model from MOSI.AI and the OpenMOSS team. With only 0.1B parameters, it is designed for realtime speech generation, can run direc..."

Active Developer Issues (GitHub)

open 可以量化吗
Logged: Apr 17, 2026
open 每次生成需要从 huggingface.co 加载 config.json 等,但是
Logged: Apr 17, 2026
open
Logged: Apr 17, 2026
open 请问是否支持语速设置?CPU流式模式比较卡顿,如何优化呢?
Logged: Apr 17, 2026
open 中文方言支援
Logged: Apr 16, 2026

Community Voice & Feedback

Jandown • May 5, 2026
> onnx在中等性能的cpu上勉勉强强能达到实时,但是效果差(丢词,读错,生硬),一般业务使用不了。 非onnx的模型中等cpu上完全达不到实时,听感是一种折磨。在gpu(3090)上短文本的RTF>1,达不到实时。长文本的RTF在0.35左右。非onnx的效果比onnx的效果好很多,但是达不到实时,所以综合下来,还得优化。

赞同!
wen0320 • Apr 24, 2026
onnx在中等性能的cpu上勉勉强强能达到实时,但是效果差(丢词,读错,生硬),一般业务使用不了。
非onnx的模型中等cpu上完全达不到实时,听感是一种折磨。在gpu(3090)上短文本的RTF>1,达不到实时。长文本的RTF在0.35左右。非onnx的效果比onnx的效果好很多,但是达不到实时,所以综合下来,还得优化。
alpacaking • Apr 17, 2026
您好,我们发布了推理速度更快的onnx版,欢迎试用。
wen0320 • Apr 17, 2026
我的也非常慢,实时播放的音频一卡一卡的:
Done | mode=voice_clone | prompt=zh_1 | attn=eager | tts_batch=1 | codec_batch=1 | exec=cpu | cpu_threads=12 | audio=4.80s | elapsed=13.22s
state=done | emitted=4.80s | lead=-6.89s | first_audio=1.41s
CPU:Intel(R) Core(TM) i5-10400 CPU @ 2.90GHz
CloudRipple • Apr 17, 2026
可以尝试把hf的来源替换为镜像源
```bash
export HF_ENDPOINT=https://hf-mirror.com
```
alpacaking • Apr 17, 2026
可以尝试使用 modelscope 下载好模型,然后指定模型路径启动服务
```bash
modelscope download --model openmoss/MOSS-TTS-Nano-100M
modelscope download --model openmoss/MOSS-Audio-Tokenizer-Nano
```
xiami2019 • Apr 17, 2026
你好,感谢关注!也可以从 https://modelscope.cn/models/openmoss/MOSS-TTS-Nano 上下载模型。
gyt1145028706 • Apr 17, 2026
您好, 可以看一下后台有无其他高占 CPU 的进程 (例如 Codex), 如果有的话, 先把这些高占进程 kill 了再试一下是否卡顿
zzz6w • Apr 16, 2026
> 您好, 麻烦能提供更详细的报错信息吗

看一下上面贴的,一样的问题,谢谢。
zzz6w • Apr 16, 2026
2026-04-16 20:03:09,299 WARNING huggingface_hub.file_download: Xet Storage is enabled for this repo, but the 'hf_xet' package is not installed. Falling back to regular HTTP download. For better performance, install the package with: `pip install huggingface_hub[hf_xet]` or `pip install hf_xet`
model-00001-of-00001.safetensors: 100%|████████████████████████████████████████████| 87.9M/87.9M [01:30
zzz6w • Apr 16, 2026
..我也是这样的。。。AI说要禁用符号链接,正在尝试。。
alpacaking • Apr 16, 2026
我们已经开源了微调代码,欢迎尝试。
a65243001 • Apr 16, 2026
哥们和我下的同一个吧,也是报这个错
gyt1145028706 • Apr 15, 2026
你可以尝试运行以下 shell 脚本, 并将输出结果提供给我们

```bash
#!/bin/bash
# MOSS-TTS-Nano Bus Error 诊断脚本
# 用法: bash debug_moss_tts.sh
echo "=== MOSS-TTS-Nano 环境诊断报告 ==="
echo "生成时间: $(date)"
echo ""
echo "【硬件信息】"
echo "CPU 型号: $(grep 'model name' /proc/cpuinfo | head -1 | cut -d':' -f2 | xargs)"
echo "架构: $(uname -m)"
echo "核心数: $(nproc)"
echo "内存总量: $(free -h | awk '/^Mem:/ {print $2}')"
echo "CPU 指令集: $(grep -o 'avx512\|avx2\|sse4_2' /proc/cpuinfo | sort -u | tr '\n' ' ')"
echo ""
echo "【系统环境】"
echo "OS: $(cat /etc/os-release 2>/dev/null | grep PRETTY_NAME | cut -d'"' -f2 || uname -o)"
echo "内核: $(uname -r)"
echo ""
echo "【Python 环境】"
which python
python --version
echo ""
echo "【PyTorch 详情】"
python -c "
import torch
import platform
print(f'PyTorch: {torch.__version__}')
print(f'CUDA 可用: {torch.cuda.is_available()}')
print(f'CUDA 版本: {torch.version.cuda if torch.cuda.is_available() else \"N/A\"}')
print(f'CPU Capability: {torch.backends.cpu.get_cpu_capability()}')
print(f'OpenBLAS: {torch.__config__.show(...
alpacaking • Apr 15, 2026
请问您是具体指用三种不同的音色进行音色克隆,还是指将我们的模型进行三种不同微调?
如果是前者,欢迎尝试 [MOSS-TTS-Nano-Reader](https://github.com/OpenMOSS/MOSS-TTS-Nano-Reader), 这里有保存音色的功能。
如果是后者,目前我们还暂未开放微调代码,但不久即将开源,敬请期待。

Discovery Source

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Tech Stack Dependencies

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Deep Research & Science

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