Detailed comparison across 10 dimensions
Winner: Speechmatics
Speechmatics clearly comes out ahead of Vapi on Staquest's weighted six-dimension score. Speechmatics has a free tier; Vapi does not. Paid plans start at $0.24/mo for Speechmatics and $400/mo for Vapi.
| Overview | ||
|---|---|---|
| Type | ai tool | ai tool |
| Company | Speechmatics | Vapi |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Learning Curve | - | - |
| Integration | - | - |
| Trending | Stable | Stable |
| GitHub Stars | - | - |
| Industries | MarketingDevelopmentSales & CRM | DevelopmentMarketing |
| Categories | ai-voice | ai-voiceai-chatbot |
| Website | Visit | Visit |
Speechmatics
freemium
usage based
custom
usage based
custom
| Feature | speechmatics | vapi |
|---|---|---|
| 1 Million Characters Of Text-To-Speech Per Month | ||
| 10 Concurrent Call Lines | ||
| 10 File Jobs Per Second | ||
| 10 Free Us Phone Numbers | ||
| 2 Concurrent Real-Time Sessions | ||
| 3,000 Included Minutes | ||
| 480 Minutes Of Speech-To-Text Per Month | ||
| 7,500 Included Minutes | ||
| 50 Concurrent Real-Time Sessions | ||
| Community Support | ||
| Audio Alignment | ||
| Compliance Needs | ||
| Custom Language Development | ||
| Everything In Agency | ||
| Custom Models | ||
| Everything In Pay-As-You-Go | ||
| Custom Voice Development | ||
| Everything In Startup | ||
| Flexible Deployments | ||
| Full Platform Access | ||
| Low-Latency Text-To-Speech | ||
| High-Volume Production | ||
| Multi-Region Cloud Options | ||
| Multi-Assistant Squads | ||
| No Rate Limits | ||
| Negotiated Support | ||
| Online Email Support | ||
| Webhook Functionality | ||
| Prioritized Service And Support | ||
| Privacy-First Deployment Options |
Showing 30 of 30 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, Speechmatics comes out ahead overall, though Vapi can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
Speechmatics's paid plans start at $0.24/mo and Vapi's start at $400/mo, so Speechmatics is the lower entry price. Check the pricing comparison for higher tiers and per-seat costs.
Speechmatics offers a free tier; Vapi does not currently list one.
Speechmatics scores higher on pricing value in Staquest's analysis. It is the highest-weighted dimension in this comparison.
