Pricing
Simple, transparent pricing per minute. Choose the intelligence level that fits your use case.
Spark
$0.02/min
The cheapest system on the market. Good for high-volume use cases.
Best for: Simple tasks
Cost-effective scaling
Bolt
$0.05/min
Lightning-fast and smart enough for many use cases.
Best for: Speed-critical voice agents
Responsive conversation
Storm
$0.09/min
Dynamically routes between fast and smart models for unmatched intelligence.
Best for: Complex reasoning
Follows complex instructions
+13¢/min for extra intelligence
Models
Compare our models
Find the perfect balance of cost, speed, and intelligence for your use case.
| Compare Models | Spark | Bolt | Storm |
|---|---|---|---|
| Price per minute | 2¢ | 5¢ | 9¢ |
| Latency (Speed) | B- | A+ | A- |
| Intelligence | B | B- | A+ |
| Optimized for | Cost | Speed | Intelligence |
| Compare Models | Spark |
|---|---|
| Price per minute | 2¢ |
| Latency (Speed) | B- |
| Intelligence | B |
| Optimized for | Cost |
| Compare Models | Bolt |
|---|---|
| Price per minute | 5¢ |
| Latency (Speed) | A+ |
| Intelligence | B- |
| Optimized for | Speed |
| Compare Models | Storm |
|---|---|
| Price per minute | 9¢ |
| Latency (Speed) | A- |
| Intelligence | A+ |
| Optimized for | Intelligence |
Voices
Voice pricing
Standard voices are included with every tier. Premium voices add +3¢/min, and a handful of less-common languages add +2¢/min.
| Voice Pricing | Included | Premium voices +3¢/min | Selected languages +2¢/min |
|---|---|---|---|
| Speed | Lightning-fast | Lightning-fast | Lightning-fast |
| Languages | 15, including English, Spanish, French, German, Japanese, and more | 39 — every included language plus 24 more, from Thai to Ukrainian | 8 additional languages |
| Voices Available | ~35 curated voices | 86 hand-picked native voices | 6 multilingual voices |
| Voice Pricing | Included |
|---|---|
| Speed | Lightning-fast |
| Languages | 15, including English, Spanish, French, German, Japanese, and more |
| Voices Available | ~35 curated voices |
| Voice Pricing | Premium voices +3¢/min |
|---|---|
| Speed | Lightning-fast |
| Languages | 39 — every included language plus 24 more, from Thai to Ukrainian |
| Voices Available | 86 hand-picked native voices |
| Voice Pricing | Selected languages +2¢/min |
|---|---|
| Speed | Lightning-fast |
| Languages | 8 additional languages |
| Voices Available | 6 multilingual voices |
Extras
Surcharges & Extras
Simple add-ons for specific needs.
Long Prompts
First 5,000 prompt tokens are free. Each additional 10,000-token block is billed by tier.
Spark +1¢/min
Bolt +2¢/min
Storm +2¢/min
Phone Numbers
ThunderPhone Numbers
(US only) $1/month + 1¢/min.
BYO SIP Trunking
Connect your own Twilio (or other) numbers for free.
Extra Intelligence
Stronger reasoning for Storm.
+13¢/min
Verbal Acknowledgements
Natural listening cues for Storm.
+2¢/min
Call Supervision / Watchdog
Automated oversight for Storm calls.
+8¢/min
Hold Time
Auto-detected hold time bills at a reduced flat rate instead of the product rate, no matter how long the queue runs.
Hold 2¢/min
Examples
Example Combinations
See how different choices affect your total cost per minute.
High Volume Survey
- Spark Model 2¢
- Base Voice 0¢
- ThunderPhone # 1¢
The Support Bot
- Bolt Model 5¢
- Base Voice 0¢
- SIP Trunk 0¢
Premier Sales Agent
- Storm Model 9¢
- Extra intelligence 13¢
- ThunderPhone # 1¢
Enterprise
Need a custom solution?
We offer custom implementations, features, SLAs, and compliance options beyond our standard plans. Reach out to discuss your specific needs and get custom pricing.