Grok TTS
Grok TTS is xAI's text to speech model, starting at $15.00 / 1M input. A text-to-speech model from xAI's Grok line that generates expressive speech across five voices with speech-tag control and telephony codec support.
| Specifications | |
|---|---|
xai-grok-tts | |
| Text to Speech | |
| Active | |
| xAI | |
| Text | |
| Audio | |
| · 3 months ago | |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio✓
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard |
|---|---|
| Input $ / 1M | |
| $15.00 |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Grok 4.3 | 1.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Multi-Agent | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Multi-Agent Beta | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Non-Reasoning | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.20 Reasoning | 2.0M | $1.25 | $2.50 | Available | |
| Grok 4.1 Fast | 2.0M | $0.200 | $0.500 | Deprecated | |
| Grok 4 Fast | 131K | $0.200 | $0.500 | Deprecated | |
| Grok 4 Fast Non-Reasoning | 2.0M | $0.200 | $0.500 | Deprecated | |
| Grok 4 | 256K | $3.00 | $15.00 | Deprecated | |
| Grok TTS | — | $15.00 | — | Current |