Free online tool to convert text into natural speech using 28 Grok AI voices in 20 languages
Open-source SDXL-based AI model for native high-resolution anime art generation
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free tier: 3 previews per day (200 characters each) without account; free Google sign-in offers 1,000 characters per clip, 20 clips per hour, 3,000 characters per day. Paid plans available for longer clips and more characters.
Free for personal and research use; prohibits closed-source proprietary monetization
Key features
28 Grok voices
Speech tags for pauses, laughs and whispers
Download as MP3 audio file
Speed adjustment from 0.7× to 1.5×
26 speech expression tags
Free preview without account
Auto-detect language mode
No text storage or logging
Multiple account sign-in options
Native 1536x1536 high-resolution generation without upscaling
Hybrid Prompting System combining natural English and Danbooru tags
Stable text encoder fine-tuning for superior concept understanding
Trained on comprehensive Danbooru2023 dataset
Full compatibility with ComfyUI, Automatic1111, Forge, and Draw Things
Superior anatomy rendering with flawless hands and character details
V-Prediction architecture for enhanced dynamic range and contrast
Highly flexible base canvas for LoRA training and custom checkpoints
What makes it different
Independent frontend: no developer account needed to access real Grok voices
All 28 official Grok voices in one tool
Built-in speech tags for natural expression control
Cheaper than ElevenLabs and comparable to OpenAI pricing
Same voices available for text-to-speech and voice agents
Only open-source SDXL model natively trained at 1536x1536 resolution
Stylistically neutral untuned base canvas unlike Pony Diffusion
Continuous rapid iterations from v0.1 to v3.5 with aggressive optimization
Thousands of compatible community-trained LoRAs and derivatives
Grok Text to Speech
Illustrious XL