| --- |
| license: mit |
| tags: |
| - tts |
| - benchmark |
| - text-to-speech |
| - french |
| - english |
| language: |
| - fr |
| - en |
| --- |
| |
| # TTS Model Benchmarks |
|
|
| Benchmark results for various TTS models on French and English, with audio samples sorted worst-to-best by WER. |
|
|
| ## Summary Results (French - 500 SIWIS phrases) |
|
|
| | Model | Samples | WER Mean | WER Median | RTF | Real-time? | |
| |-------|---------|----------|------------|-----|------------| |
| | **Qwen3-TTS 1.7B** | 500 | **23.4%** | **14.3%** | 1.300 | No (0/500) | |
| | **VibeVoice 0.5B (FT)** | 500 | 35.0% | 22.9% | **0.416** | **Yes (500/500)** | |
| | CeSAMe CSM-1B 4-bit | 150 | 69.6% | 66.7% | 3.246 | No | |
|
|
| ## Summary Results (English) |
|
|
| | Model | Samples | WER Mean | WER Median | RTF | |
| |-------|---------|----------|------------|-----| |
| | CeSAMe CSM-1B 4-bit | 150 | 8.7% | 0.0% | 2.857 | |
| | Qwen3-TTS 1.7B | 300 | 12.9% | 0.0% | 1.690 | |
|
|
| ## Audio Samples |
|
|
| Each model folder contains a `worst_to_best/` directory with all generated audio files ranked by WER (worst first). File format: `NNN_werXXX_sampleid.wav` |
|
|
| - `vibevoice_french/worst_to_best/` - 500 audio samples |
| - `qwen3_tts_french/worst_to_best/` - 500 audio samples |
|
|
| ## Structure |
|
|
| ``` |
| vibevoice_french/ |
| results.csv # Full benchmark results |
| worst_to_best/ # Audio ranked by WER (001 = worst) |
| qwen3_tts_french/ |
| results.csv |
| worst_to_best/ |
| cesame_unsloth_baseline/ |
| results.csv # EN + FR baseline (no audio) |
| qwen3_tts_english/ |
| results.csv # EN baseline (no audio) |
| ``` |
|
|
| ## Evaluation Methodology |
|
|
| - **WER**: Word Error Rate via OpenAI Whisper API transcription |
| - **RTF**: Generation time / audio duration (< 1.0 = real-time capable) |
| - **Benchmark**: 500 SIWIS French phrases (seed=42, 15 < len < 300, deduplicated) |
|
|
| ## Models |
|
|
| - **VibeVoice-Realtime-0.5B** (Microsoft) - Fine-tuned on SIWIS French → [Rcarvalo/vibevoice](https://huggingface.co/Rcarvalo/vibevoice) |
| - **CeSAMe CSM-1B** (Sesame) - Unsloth 4-bit quantization |
| - **Qwen3-TTS-12Hz-1.7B** (Alibaba) - Base model |
|
|
