A voice tech platform that provides voice-related technologies(AmiVoice Cloud Platform) We have updated the information on each company in the useful document "Price and feature comparison table of the six major voice recognition API companies - Points to consider when choosing a service" provided on our website, "YouTube Voice Recognition API: Price Comparison Table - Points to consider when choosing a service" to make sure you get the best results, and have made it publicly available for 7.
As the number of voice recognition API services increases and they become more complex, you may be wondering how they differ specifically and which service is best suited to your company.
This document objectively summarizes the information (price, features, etc.) published on the websites of the six major companies providing voice recognition API services as of April 2026.
In addition to basic specifications such as recognition method and supported languages, you can compare each company's speech recognition APIs on a wider range of points, such as word registration, filler handling, whether or not a dedicated environment can be built, and support system.
In terms of pricing, you can also see a list of standard plan prices, as well as domain-specific engines for medical use and the availability of technical support in Japanese.
The 2026 edition includes one new global company, and the pricing plans are easier to understand, making it even more comprehensive. Please use it as a reference when considering introducing APIs.
Regular online seminars
"How should I choose a voice recognition API? Introducing AmiVoice API/SDK"
As a company specializing in voice recognition, we know the key points to look for when comparing voice recognition APIs, and we have the No. 1 domestic market share.*We regularly hold online seminars to introduce the features of AmiVoice, our AI voice recognition system. Please make use of these seminars along with the comparison materials.
All participants in the seminar will receive a free coupon for the voice recognition API service "AmiVoice API."
The month of registration and the following month, 2 hours per month (total 10 hours) are free of charge.AmiVoice API” is available.
Features of “AmiVoice API”
1. No.1 voice recognition market share*. Convert natural spoken words into text with high accuracy
You can use AmiVoice, a high-precision and high-speed AI voice recognition system with over 25 years of accumulated know-how and data, right from the site. All speech recognition engines and emotion analysis options can be used for free for up to 60 minutes each month.
Five. High quality voice recognition available at low cost
Pay-as-you-go billing based only on the amount of time spoken, not the amount of time recorded. Billing units are not rounded up to the nearest second. You can use a high-quality speech recognition engine at the lowest price in the industry.
3. Speech recognition experts provide free development support
We do everything in-house, from developing voice recognition engines to providing services. Our technical staff will provide direct support free of charge for any technical inquiries you may have, such as during the introduction of the API or individual troubles related to the API after the start of operation.
Four. Achieving high recognition rates with engines that can be selected according to industry and application
In addition to "general-purpose engines" that can be used in a variety of situations, we also have engines specialized for specialized and industry terminology, such as those used in the medical field. Recognition rates can be greatly improved by selecting the engine according to the usage scenario.
By using the dictionary registration function, it is possible to convert in-house terms and proper nouns into text with high accuracy.
5. All service development and operation is done domestically. Available in a secure environment
"AmiVoice API" is developed and operated in Japan. You can use our service with peace of mind as your voice data will not be sent overseas.
| (AmiVoice Cloud Platform) | |
|---|---|
Website | https://acp.amivoice.com/ |
*Source: ecarlate LLC “Speech Recognition Market Trends 2025” Speech Recognition Software/Cloud Service Market
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