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C3 AI vs Deepgram comparison

 

Comparison Buyer's Guide

Executive Summary

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

C3 AI
Ranking in AI Sales & Marketing
13th
Average Rating
7.2
Number of Reviews
4
Ranking in other categories
AI Data Analysis (20th), AI Customer Experience Personalization (20th), AI Content Creation (12th), AI Procurement & Supply Chain (4th)
Deepgram
Ranking in AI Sales & Marketing
9th
Average Rating
8.4
Reviews Sentiment
5.9
Number of Reviews
11
Ranking in other categories
Text-To-Speech Services (3rd), Speech-To-Text Services (1st), AI Customer Support (10th), AI Scheduling & Coordination (3rd)
 

Mindshare comparison

As of August 2026, in the AI Sales & Marketing category, the mindshare of C3 AI is 1.2%. The mindshare of Deepgram is 1.1%. It is calculated based on PeerSpot user engagement data.
AI Sales & Marketing Mindshare Distribution
ProductMindshare (%)
Deepgram1.1%
C3 AI1.2%
Other97.7%
AI Sales & Marketing
 

Featured Reviews

reviewer2795349 - PeerSpot reviewer
Group Head of Data Strategy & Enterprise Governance at a consumer goods company with 10,001+ employees
Struggled to justify enterprise adoption but have valued broader developer accessibility
If I could change or add anything to improve C3 AI, I would suggest making it not just an AI platform, but a data and AI combined platform, as bringing in data management elements, governance, and cloud features is critical. The real AI and modeling represent only 20 percent of what is needed; there is over 80 percent in the rest of the world that should be addressed. Given Tom Siebel's deep understanding of corporate work and his network, integrating C3 AI with other ERP solutions such as Oracle, SAP, or Microsoft is essential. If C3 AI can be an enterprise platform, embedding more data elements and ensuring seamless integration with other ERP solutions would significantly enhance its capabilities and attractiveness. If someone told me that they have SAP, and C3 AI can seamlessly integrate the data and perform action calls between SAP, allowing me to operate on C3 AI as I would on SAP, that would be a killer feature for me. I would suggest avoiding traditional licensing sales as it is too expensive; the starting price is too high. Considering a subscription model or a pay-per-use model is the best business structure for AI or data solution vendors. The pay-per-use model benefits usage, as the more you use, the more successful you become with the platform.
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.

Quotes from Members

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

Pros

"The biggest strength of C3 AI is how much it handles in one platform: data integration, model deployment, governance, monitoring, and application development."
"I have noticed improvements in efficiency, reduced downtime, and time saved for my team, as it is quite integrated through the source ML pipeline to report to general customer UI, functioning as one platform that takes care of everything, thus improving efficiency, optimization, and increasing project deliverables."
"One of the best features C3 AI offers is that you do not need to learn Python or any specific machine learning programming language; you can use C3 AI with JavaScript."
"In the first phase alone, there was approximately $90 million in savings, which reduced about 5% of inventory."
"The features that I have been using in the tool have been very stable."
"The most valuable capabilities of Deepgram that I've found so far include low latency, as it offers less than 200 milliseconds, which is not provided by any other text-to-speech models."
"Deepgram's transcription stands out compared to other solutions primarily due to its speed and accuracy; those are important points for me because not all providers or tools handled Spanish well, but Deepgram adjusted perfectly for that use case, and we also chose 11Labs voice, a South American voice, which worked very well with Deepgram."
"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 is able to handle large volumes of audio data without compromising accuracy."
"The speed of the solution for transcribing videos is good."
"Deepgram has significantly improved our transcription process in terms of speed and accuracy, allowing us to efficiently convert verbal feedback into text, enabling quicker analysis and implementation of new features."
"We have tracked a reduction of around 70% in the support cost and direct human interaction for support."
 

Cons

"We even failed to open any doors for C3 AI; there are no smaller wins, learning opportunities, or process improvements, even if the main goals were not met."
"However, I sometimes hear from colleagues that hallucination is an issue."
"The reason I chose eight out of ten is that as a user of C3 AI, I found the operational aspect not easy to understand; it is a bit tricky, and you should have more core knowledge to navigate C3 AI."
"C3 AI can feel very enterprise-heavy. For smaller teams, it may feel excessive."
"I would not recommend Deepgram to other users because it does not properly identify video communication."
"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."
"In comparison to Deepgram, I would say that the transcript accuracy offered by other products is much higher."
"Deepgram is currently restricted to only the English variants, but it should include other languages, such as German or French."
"We haven't seen a return on investment with Deepgram so far; we have been building POCs for the last two years but recently switched to AWS in the last two months due to scalability issues with the pay-as-you-go model."
"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."
"We've had issues in the past where it generates the transcript, and a lot of the text is duplicated."
 

Pricing and Cost Advice

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

By visitors reading reviews
Construction Company
28%
Manufacturing Company
11%
Comms Service Provider
11%
Energy/Utilities Company
10%
Construction Company
10%
Educational Organization
9%
Financial Services Firm
9%
University
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise1
Large Enterprise3
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
Large Enterprise1
 

Questions from the Community

What is your experience regarding pricing and costs for C3 AI?
The pricing for C3 AI was quite high compared to other smaller AI platforms and open-source alternatives we had explored. Initially, we were cautious due to the significant investment involved.
What needs improvement with C3 AI?
C3 AI can feel very enterprise-heavy. For smaller teams, it may feel excessive. Some workflows also feel more complex than they need to be. Overall, it is a good product, but the platform can feel ...
What is your primary use case for C3 AI?
I have been using C3 AI for roughly eight to ten months as part of a small engineering team working on operational analytics. We primarily use it for predictive maintenance and some newer generativ...
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 ...
 

Comparisons

 

Overview

Find out what your peers are saying about C3 AI vs. Deepgram and other solutions. Updated: June 2026.
909,725 professionals have used our research since 2012.