Vapi · Grok Voice · Compare · Checked Oct 27, 2026
Vapi vs Grok Voice pricing: which is cheaper?
At 1,000 minutes a month, Vapi costs $110.80–$157.90 and Grok Voice costs $84.55 on our stack, a difference of at least $26.25 in favor of Grok Voice. Checked Oct 27, 2026 (Vapi) and Oct 28, 2026 (Grok Voice).
Vapi$110.80–$157.90$0.1108–$0.1579/min at 1,000 minPricing vapi.aiGrok Voice$84.55$0.0846/min at 1,000 min · cheaperPricing x.aiMonthly cost at four volumes
| Volume | Vapi | Grok Voice |
|---|---|---|
| 500 min/mo | $69.90–$93.45 | $42.85 |
| 1,000 min/mo | $110.80–$157.90 | $84.55 |
| 5,000 min/mo | $438.00–$673.50 | $418.15 |
| 10,000 min/mo | $847.00–$1,318.00 | $835.15 |
Our calculation from list prices: 3-minute inbound calls, 10 at once, one US number. A green dot marks the cheaper side; Vapi is a range from its own calculator. Change the scenario.
What each one bills for
| Item | Vapi | Grok Voice |
|---|---|---|
| How it bills | Pick your providers | Bundled rate |
| Headline rate | $0.05/min hosting | $0.08/min speech-to-speech |
| All-in per minute at 1,000 | $0.1108–$0.1579/min | $0.0846/min |
| Concurrency | 4 / 10 / 30 | 10 sessions at Tier 0, more with spend |
| Free to start | $5 credits | Playground only; API usage is paid |
| Telephony | No Vapi fee; your carrier bills you | Bring your own SIP trunk |
| LLM | $0.0077–$0.0452/min | No separate LLM line |
Where the money goes at 1,000 minutes
Platform & linesBundled AI rateLLMTranscriberVoicePhone
Vapi
$110.80–$157.90 /mo at 1,000 min
- Hosting$50.00
- STT (Deepgram)$9.50
- LLM (OpenAI, Vapi calculator range)$7.70
- TTS (ElevenLabs, Vapi calculator range)$14.60
- Telephony (Vapi fee $0; carrier not included)$0.00
- Concurrency for 10 calls: Core plan $29 (10 concurrent)$29.00
Grok Voice
$84.55 /mo at 1,000 min
- Grok Voice 3.0 speech to speech (includes LLM)$80.00
- Telephony: Twilio Elastic SIP, US local inbound$3.40
- Twilio local number$1.15
- Concurrency for 10 calls (Tier 0 includes 10)$0.00
FAQ
Is Vapi cheaper than Grok Voice?
At 1,000 minutes a month, Vapi costs $110.80–$157.90 and Grok Voice costs $84.55 on our stack, a difference of at least $26.25 in favor of Grok Voice. Checked Oct 27, 2026 (Vapi) and Oct 28, 2026 (Grok Voice).
How much does Vapi cost per minute?
Vapi lists $0.05/min (hosting). All-in on our stack it works out to $0.1108–$0.1579 a minute at 1,000 minutes a month, or $110.80–$157.90.
How much does Grok Voice cost per minute?
Grok Voice lists $0.08/min (speech-to-speech). All-in on our stack it works out to $0.0846 a minute at 1,000 minutes a month, or $84.55.
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