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Deepgram vs Microsoft Azure Speech Service comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Deepgram
Ranking in Text-To-Speech Services
2nd
Ranking in Speech-To-Text Services
1st
Average Rating
8.4
Reviews Sentiment
5.9
Number of Reviews
11
Ranking in other categories
AI Customer Support (2nd), AI Sales & Marketing (6th), AI Scheduling & Coordination (1st)
Microsoft Azure Speech Service
Ranking in Text-To-Speech Services
4th
Ranking in Speech-To-Text Services
2nd
Average Rating
9.0
Reviews Sentiment
7.7
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Text-To-Speech Services category, the mindshare of Deepgram is 9.7%, up from 6.8% compared to the previous year. The mindshare of Microsoft Azure Speech Service is 17.9%, down from 20.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Text-To-Speech Services Mindshare Distribution
ProductMindshare (%)
Deepgram9.7%
Microsoft Azure Speech Service17.9%
Other72.4%
Text-To-Speech Services
 

Featured Reviews

Arunkumar HG - PeerSpot reviewer
Technology Architect & Hands-On Leader | Prototyping, Automation, AI/LLM Integration | 20+ Years in at Regalix
A Powerful, Adaptable, and Constantly Evolving STT Solution for Voice Automation
Honestly, Deepgram has been exceptionally proactive in addressing the primary area that needed improvement. My main challenge was with the real-time detection of when a user has finished speaking in a live conversation, which is critical for a responsive voice bot. They directly solved this by releasing their Flux model. Because Flux is a recent release, I haven't yet had enough time to thoroughly test it and identify new limitations. At this stage, any "improvement" would be more of a "nice-to-have" feature rather than a fix for an existing problem. The core service is already very robust and meets all of our current needs. What additional features should be included in the next release? ---------------------------------------------------------------- Looking toward the future, here are a few features that could add even more value to an already excellent platform: * Advanced Built-in Analytics: While I can get the raw transcript and build my own analytics pipeline, it would be powerful to have features like sentiment analysis, emotion detection, or automatic summarization offered directly through the API. This would save significant development time. * More Granular Speaker Diarization: For calls with multiple participants, enhancing the real-time speaker diarization (labeling who is speaking) to be even more precise would be a fantastic addition for creating detailed call analyses. * Tighter Integration with TTS: Since Deepgram is also expanding into Text-to-Speech (TTS), offering a more seamlessly integrated STT-to-TTS pipeline could simplify the development stack for creating voice agents from start to finish. * Specialized, Pre-Trained Industry Models: While the general models are highly accurate, offering even more specialized, pre-trained models for specific industries like finance, healthcare, or legal-which are heavy on specific jargon-could push the accuracy even higher for those niche use cases.
Abhishek-Rana - PeerSpot reviewer
Student at Graphic Era Hill University
Offers ease of use and the availability of documentation is great
The simplicity impressed me the most. We just needed a single API key. The documentation was also great. I developed the AI application using Unity, a game engine that uses C#. Then, I searched online for instructions on how to use it. I found Microsoft's GitHub repository, which provided the necessary code for integrating the Speech Service into Unity with C#. The ease of use and the availability of documentation made the process smooth and impressed me the most. The documentation and boilerplate code [a template of code] was available, which I incorporated into my application with modifications. Initially, the code functioned so that when a button was clicked, the microphone would activate and recognize my speech. One of the benefits was the ability to see my spoken words visually on the screen as I spoke. For example, if I said "I am Abhishek Rana," I could see the sentence appear in real-time. When I stopped speaking, it automatically recognized the silence and ceased, sending the text for further processing. So, the real-time translation feature has helped me a lot.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The solution's most valuable feature is its speed of transcription, as it is one of the fastest tools, especially if you compare it to the second fastest solution that you can get, which is 20 times faster, so it is not just a marginally faster product."
"Deepgram's low latency transcription has greatly impacted my ability to deliver reliable voice agents and provided very good transcription."
"Deepgram is able to handle large volumes of audio data without compromising accuracy."
"The speed of the solution for transcribing videos is good."
"The best features of Deepgram for me are the level of transcription accuracy it provides and the amount of time it saves."
"The features that I have been using in the tool have been very stable."
"We have tracked a reduction of around 70% in the support cost and direct human interaction for support."
"The solution's Speech-to-Text conversion feature is really awesome."
"Useful text-to-speech and speech-to-text features."
"The documentation and boilerplate code [a template of code] was available."
"Overall, in my opinion, the transcription service is rated as ten out of ten."
 

Cons

"I would not recommend Deepgram to other users because it does not properly identify video communication."
"I would like it to be more accurate."
"The area of live transcription could be improved. Sometimes, Deepgram's WebSocket is disposed due to redundancy."
"We've had issues in the past where it generates the transcript, and a lot of the text is duplicated."
"Deepgram is currently restricted to only the English variants, but it should include other languages, such as German or French."
"Even though Deepgram has many customization options, I wish that Deepgram had voice cloning customization to a much larger extent."
"When I had an AI interview for coding, Deepgram didn't capture the names of programming languages or well-known LLMs accurately all the time."
"The solution does not properly identify the number of speakers."
"It can improve based on the native language."
"The product is limited when it comes to integrating with different platforms and using many other APIs."
"Lacks a voice recording option."
 

Pricing and Cost Advice

"The solution’s pricing is cheap."
"When using Deepgram, one needs to pay for the hours or minutes for which the transcription is needed."
"Deepgram is a cheap solution."
"The pricing is moderate."
Information not available
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Top Industries

By visitors reading reviews
Educational Organization
10%
Financial Services Firm
8%
University
8%
Construction Company
8%
Computer Software Company
8%
Comms Service Provider
8%
Manufacturing Company
7%
Educational Organization
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
Large Enterprise1
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Deepgram?
My experience with pricing, setup cost, and licensing is that pricing is seamless and customizable as needed. Currently, we use the growth plan. For enterprise, they offer a higher tier, so it is c...
What needs improvement with Deepgram?
Deepgram has a vast UI and a vast range of models, but there could be a simpler version for creating AI agents rather than providing a full-fledged platform for minimal use cases. It could be multi...
What is your primary use case for Deepgram?
My main use case for Deepgram is creating voice agents to automate the customer support part and reply to FAQs and customer queries. Deepgram has multiple models, speech to text and text to speech ...
What is your experience regarding pricing and costs for Microsoft Azure Speech Service?
The product is included and does not incur any additional costs. Pricing information is not available at the moment.
What needs improvement with Microsoft Azure Speech Service?
The product is limited when it comes to integrating with different platforms and using many other APIs. The marketplace is very limited and it's difficult to implement solutions in it. Enhancing fe...
What is your primary use case for Microsoft Azure Speech Service?
I use Microsoft Azure Speech Service ( /products/microsoft-azure-speech-service-reviews ) for communication between different countries. It facilitates communication via emails, documents, and temp...
 

Also Known As

No data available
Azure Speech Service, MS Azure Speech Service
 

Overview

 

Sample Customers

Information Not Available
KPMG
Find out what your peers are saying about Deepgram vs. Microsoft Azure Speech Service and other solutions. Updated: April 2026.
893,164 professionals have used our research since 2012.