GLM-TTS

Tier 7: From 27,224 points · per 4,000 characters

Comparison method and assumptions.

Pricing

Website Pricing

Type	Cost
Fast (Int8)	6806 ($0.21) / 1k chars
Quality (Fp16)	6976 ($0.21) / 1k chars

All parsed rates (both currencies):

Service	Currency	Amount	Per
Fast (INT8)	USD	0.21	1000 characters
Fast (INT8)	POINTS	6806	1000 characters
Quality (FP16)	USD	0.21	1000 characters
Quality (FP16)	POINTS	6976	1000 characters

Last Checked: 2026-10-22 13:03:35.136291

Bot Information

Creator: @empiriolabsai

Description: GLM-TTS is a high-quality, LLM-based text-to-speech system that supports zero-shot voice cloning from 3–10 seconds of audio and text-to-speech synthesis. It provides controllable, emotion-expressive speech via multi-reward reinforcement learning, with phoneme-level control and strong performance on the seed-tts-eval benchmark.

This model is hosted by EmpirioLabs.ai and is exclusive to the Poe platform.

Notes: - Supported audio upload types: WAV, MP3, OGG, FLAC, AAC, M4A, WebM - The max TTS length is 5000 characters - Generations may take upwards of 5-10 minutes to complete

Parameter controls available: 1. Voice - Default: --voice emma (Emma - English Female) - --voice james (James - US Male) - --voice arthur (Arthur - UK Male) - --voice xiaomei (Xiaomei - Chinese Female) - --voice zhigang (Zhigang - Chinese Male) - --voice custom for voice cloning (requires audio upload)

1. Audio Output
2. --output_format mp3 (default, smaller file) or --output_format wav (lossless, larger file)

3. --speed \[0.5-2.0\] speech rate multiplier (default 1.0)

4. Advanced

5. --model_quality quality (FP16 - better, default) or --model_quality fast (INT8 - quicker)
6. --sample_rate 24000 (24 kHz, default) or --sample_rate 16000 (16 kHz)
7. --volume \[0.1-2.0\] output volume multiplier (default 1.0)
8. --seed \[1-999999\] for reproducible results (leave empty for random)
9. --use_cache true (default) or --use_cache false to disable caching
10. '-optimize_input true' (default) or '--optimize_input false' to skip text optimization

Extra: Powered by a server managed by @empiriolabsai. Learn more

Architecture

Input Modalities: Unknown

Output Modalities: Unknown

Modality: unknown

Technical Details

Model ID: GLM-TTS

Object Type: bot

Created: Unknown

Owned By: empiriolabsai

Root: GLM-TTS

API Last Updated: Not listed in API