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Speech 2.8 HD vs Grok Voice TTS

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Specs & pricing
MiniMax$0.120/1K chars
xAI$0.005/1K chars
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Frequently Asked Questions: Speech 2.8 HD vs Grok Voice TTS▼

Which is better, Speech 2.8 HD or Grok Voice TTS?

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Both are capable text-to-speech models. Speech 2.8 HD is a slow-speed model from MiniMax, while Grok Voice TTS is fast-speed from xAI. The best choice depends on whether you prioritize synthesis latency, audio quality, or cost.

Which is cheaper, Speech 2.8 HD or Grok Voice TTS?

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Grok Voice TTS is cheaper: Speech 2.8 HD costs $0.12 per 1k characters vs Grok Voice TTS at $0.005 per 1k characters.

Which is faster, Speech 2.8 HD or Grok Voice TTS?

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Speech 2.8 HD is "slow" speed and Grok Voice TTS is "fast" speed.

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