Speech Synthesis / Quote
Grok Speech to Speech(实时语音) API Price Speech Synthesis
xAI · grok-voice-think-fast-2.0
Input · Cache Miss
$0 /分钟
Output
$0.08 /分钟
Cache Hit Input
— /分钟
| Billing | USD · 分钟 |
|---|---|
| Modalities | 音频 / 文本 |
| Deep Thinking | — |
| Verified Date | 2026-09-04 |
| Official pricing page | docs.x.ai/developers/pricing ↗ |
实时语音对话,按收发音频分钟计费 + 每条文本输入 $0.004;并发 10 会话/团队,单会话最长 120 分钟。
Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| 文本输入 message | $0 /分钟 | 每条 $0.004;function_call_output 与音频不计入 |
| 旧版 1.0(已弃用) | $0.05 /分钟 | $0.05/min audio |
xAI Related Models
- Grok 4.6 $2 / $6
- Grok 4.5 $2 / $6
- Grok 4.3 $1.25 / $2.5
- Grok 4.20 (Reasoning) $1.25 / $2.5
- Grok 4.20 (Non-Reasoning) $1.25 / $2.5
- Grok 4.20 Multi-Agent $1.25 / $2.5
- Grok Build 0.1(原 Grok Code Fast) $1 / $2
- Grok Imagine Image 2.0 $0.01 / $0.04
- Grok Imagine Image $0 / $0.02
- Grok Imagine Image Quality $0.01 / $0.05
- Grok Imagine Video $0.05 /秒
- Grok Imagine Video 1.5 $0.01 / $0.08
- Grok Text to Speech Tiered
- Grok Speech to Text $0.2 /小时
FAQ
How much does the Grok Speech to Speech(实时语音) API cost?
From $0/分钟
Which input modalities does Grok Speech to Speech(实时语音) support?
音频 / 文本.
How does Grok Speech to Speech(实时语音) compare with peers on value?
xAI Grok Speech to Speech(实时语音) is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Grok Speech to Speech(实时语音)?
Good for: voice-overs, audiobooks, social media, navigation systems, accessibility.
Does Grok Speech to Speech(实时语音) have a free tier?
Check xAI's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.