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SpaceXAI: Grok Voice TTS 1.0

Grok Voice TTS 1.0 is a text-to-speech model from SpaceXAI. Priced at $15 per M characters. 15,000 token context window. Includes independent benchmarks from Artificial Analysis.

View source on OpenRouter
Overview

Model specifications

Context
15,000 tokens
Maximum output
13,500 tokens
Architecture
text->speech
Tokenizer
Grok
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Characters
$15
/M characters
API

Model configuration

Supported voices

eveararexsalleo
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"x-ai/grok-voice-tts-1.0","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
text
Output
speech
API

Supported API parameters

logprobsmax_tokensresponse_formatseedtemperaturetop_logprobstop_p
Available providers

1 Provider

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

xAI

unknown
Context
15K
Maximum output
14K
Input
$15.00
Output
Free
Cache read
Not provided
Cache write
Not provided
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