Speechmatics vs Vapi
Comprehensive side-by-side comparison — features, pricing, performance, and more.
Updated May 2026
Trust & Reliability
Speechmatics
Users:100K-1M
Customers (per vendor):AI Media, LiveKit, NCI +7
GDPR
SOC 2
Overall Winner: Vapi
8.0/10 vs Speechmatics at 6.8/10
Leads in:
Customizability
Integrations
AI Comparison Summary
Speechmatics
6.8
avg score
Vapi
8.0
avg score
Vapi leads overall — particularly in Customizability and Integration Power.
Based on 6 dimensions
How scores are calculatedOverall Winner
Vapi
8.0 / 10
Speechmatics
Best For
Building AI voice agents and conversational AI
Delivering live captioning and subtitling at scale
Automating contact center analytics and processes
Supporting medical dictation and ambient scribes
Not Ideal For
Non-technical users seeking a no-code voice AI solution.
Simple, one-off transcription tasks that do not require API integration.
Applications requiring immediate Text-to-Speech support in a wide array of languages beyond English.
Vapi
Best For
Developers building custom voice AI applications
Companies scaling inbound and outbound phone operations
Enterprises requiring high reliability and low-latency voice interactions
Teams needing flexible integration with existing tech stacks
Not Ideal For
Non-technical users seeking a no-code voice AI solution
Individuals needing a simple, pre-built chatbot without voice capabilities
Organizations not focused on phone-based or real-time voice interactions
* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology
Speechmatics is best for
🤖Automation & Agents9.0🎧Customer Support9.0
Vapi is best for
🤖Automation & Agents10.0💬Chat & Conversation7.9✍️Writing & Content7.0
Filter by your use case:
Pros & Cons
SpeechmaticsPros
- Achieves high accuracy across diverse languages and accents, including specialized medical models.
- Provides low-latency real-time transcription, often under 1 second.
- Offers flexible deployment options including cloud, on-premise, and on-device for data sovereignty.
- Strong security and compliance with ISO 27001, SOC 2 Type II, GDPR, and HIPAA.
- Supports a wide range of languages (55+) for global reach.
- Includes a free tier with substantial minutes for developers to get started.
- Offers both Speech-to-Text and Text-to-Speech capabilities through unified APIs.
Cons
- Text-to-Speech currently supports English primarily, with other languages coming soon.
- On-device deployment is listed as 'coming soon'.
- Free plan has usage limits (480 minutes STT, 1M characters TTS per month).
- Volume discounts for the Pro tier only apply after 500 hours of usage per month.
- Requires developer expertise for API integration and custom solutions.
VapiPros
- Highly configurable API for granular control
- Ultra-low latency for natural conversations
- Supports a wide range of AI models (LLM, TTS, STT)
- Comprehensive developer tools including API and CLI
- Enterprise-grade reliability and security (SOC2, HIPAA, PCI)
- Extensive integrations with business applications
- Multilingual support for global reach
- Features for testing, A/B experiments, and monitoring
Cons
- Requires developer expertise for full customization
- Pricing can become complex with usage-based components
- Limited explicit information on no-code/low-code options for business users
- Focus primarily on voice interactions, less on other modalities
Weighted Score — Adjust What Matters to You
Pick a profile or drag sliders — scores and radar update instantly on the right.
Quick profiles:
Ease of Use5
Output Quality5
Value for Money5
Customizability5
Support & Ecosystem5
Integration Power5
Dimension Comparison
Speechmatics
6.8
/ 10
Vapi
8.0
/ 10
Clear winner
Dimension Breakdown
Ease of Use
AIHow easy it is to get started and use daily
Speechmatics
6.0
Vapi
6.0
Output Quality
AIQuality and accuracy of generated results
Speechmatics
8.0
Vapi
8.0
Value for Money
AICost vs. features and output quality
Speechmatics
7.0
Vapi
7.0
Customizability
CalculatedAbility to tailor to specific needs
Speechmatics
7.0
Vapi
10.0▲ +3.0
Support & Ecosystem
AIDocumentation, community, and support quality
Speechmatics
7.0
Vapi
7.0
Integration Power
CalculatedAbility to connect with other tools and workflows
Speechmatics
6.0
Vapi
10.0▲ +4.0
Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology
Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy
Frequently Asked Questions
Which is better, Speechmatics or Vapi?
Both are strong options. Speechmatics has a rating of 0.0/5 (0 reviews), while Vapi has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.
Is Speechmatics cheaper than Vapi?
Speechmatics starts at free (freemium model) with a free trial. Vapi starts at free (freemium model). Use the Cost Calculator above for a detailed estimate.
What are the main differences between Speechmatics and Vapi?
Speechmatics — "Power voice AI applications with low-latency, multilingual speech APIs.". Vapi — "Voice AI agents for developers: simple, configurable, and scalable.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.