Sold by: Smallest AI
Deployed on AWS
Smallest Atoms is a platform for deploying hyper-realistic AI agents that can talk to anyone on voice or text, in any language and any voice. Atoms act like AI employees that handle end-to-end workflows across support, sales, and operations, using your business context, tools, and data. They can automate conversations such as answering queries, collecting information, completing transactions, and triggering downstream actions, while continuously learning from mistakes. Atoms integrate into your stack via SDKs and APIs, making it easy for teams to embed real-time, natural conversations into web, mobile, and backend systems.
4.8
Overview
Smallest Atoms is a platform for deploying hyper-realistic AI agents that can converse over voice and text in any language and any voice. These agents behave like AI employees who understand context, follow workflows, and can handle entire conversations end to end for support, sales, and operations.
Contact gtm@smallest.ai for enterprise plans with customized pricing, concurrency, support, and more.
Highlights
- Hyper-realistic AI voice and chat agents that talk like real people, support any language, and handle complete customer conversations end to end for support, sales, and operations.
- Deep integrations into your CRMs, contact center stack, and business systems so Atoms can fetch data, complete tasks, and trigger workflows automatically during live calls and chats
- Built for enterprise contact centers with high accuracy, low latency, and continuous learning, helping teams reduce handle times, scale 24x7, and improve customer satisfaction.
Details
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Delivery method
Deployed on AWS
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Pricing
Pricing is based on the duration and terms of your contract with the vendor, and additional usage. You pay upfront or in installments according to your contract terms with the vendor. This entitles you to a specified quantity of use for the contract duration. Usage-based pricing is in effect for overages or additional usage not covered in the contract. These charges are applied on top of the contract price. If you choose not to renew or replace your contract before the contract end date, access to your entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Description | Cost/month |
|---|---|---|
Atoms biz plan | Business Plan which includes up to 16,667 minutes of voice agent usage. | $1,999.00 |
Atoms enterprise plans | Access to Voice AI enterprise platform | $100,000.00 |
Dimension | Description | Cost/unit |
|---|---|---|
voice_minutes | cost/min of voice agent calling | $0.12 |
Vendor refund policy
All fees are non-cancellable and non-refundable except as required by law.
Legal
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Delivery details
Software as a Service (SaaS)
SaaS delivers cloud-based software applications directly to customers over the internet. You can access these applications through a subscription model. You will pay recurring monthly usage fees through your AWS bill, while AWS handles deployment and infrastructure management, ensuring scalability, reliability, and seamless integration with other AWS services.
Resources
Vendor resources
Support
Vendor support
For technical support, contact support@smallest.ai For sales inquiries, reach GTM team (gtm@smallest.ai ; Harsh: +91-9819899421)
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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Customer reviews
Ismayra P.
Lightning Model Nails Context-Aware Pronunciation for Technical Text
Reviewed on Jul 06, 2026
Review provided by G2
What do you like best about the product?
The standout feature for our educational architecture is the engine's incredible handling of specialized, context-dependent text. Most traditional TTS systems stumble hard over technical scientific terminology or legal citations, requiring heavy SSML tagging to fix pronunciation. Smallest.ai's Lightning model natively infers the correct phonetic structure based on surrounding paragraph context, which has drastically cut down our manual audio editing hours during textbook localization workflows.
What do you dislike about the product?
While the core voice synthesis is top-tier, the advanced pronounciation dictionary manager in the developer portal feels a bit bare-bones. It functions perfectly via API overrides, but a more robust visual interface within the dashboard for managing custom lexicon tables would make large-scale asset tracking easier for non-technical editors.
What problems is the product solving and how is that benefiting you?
We needed to scale our auditory accessibility compliance (ADA/Section 508) across hundreds of hours of web-based training modules without blowing past our quarterly production budget. Smallest.ai allowed us to automate high-fidelity, highly natural audio generation straight from our headless CMS pipeline, saving us thousands in traditional voice-actor studio booking fees while speeding up our deployment cycles by roughly 40%.
Sujit K.
Reliable compliance ready AI transcription with built in redaction
Reviewed on Jul 06, 2026
Review provided by G2
What do you like best about the product?
The build in PII and PCI redaction capabilities have been a major advantage for our team. Sensitive information such as card numbers, account details, and personal identifiers is automatically masked before transcripts are processed, eliminating the need for a separate redaction tool. This has streamlined our workflow, reduced operational overhead, and strengthened compliance.
What do you dislike about the product?
The initial on-boarding and redaction configuration could be more intuitive. While the support team was very helpful, additional documentation, implementation guides, and real world configuration examples would make deployment faster and easier for new users.
What problems is the product solving and how is that benefiting you?
Smallest.ai enables us to generate RBI complaint call transcript with automated PII/PCI redaction, removing the need for an additional compliance solution. This has simplified our technology stack, reduced governance effort, lowered operational costs and increased confidence among our legal and compliance teams
Niranjan .
Impressive Multilingual Accuracy with Pulse STT Under a Single APi
Reviewed on Jul 02, 2026
Review provided by G2
What do you like best about the product?
Was honestly surprised by the impressive language coverage of Pulse STT. It consistently handles regional calls in Spanish, French, Portuguese, and Hindi with strong accuracy under a single API wrapper instead of managing separate localized endpoints.
What do you dislike about the product?
Would appreciate more language-specific Word Error Rate (WER) reporting inside the default metrics dashboards. Right now, it takes extra script work on our end to accurately analyze local language performance.
What problems is the product solving and how is that benefiting you?
Pulse has unified our regional operations under one roof and eliminated severe transcription latency. Our user-facing voice agents finally feel production-ready because the lag from voice-to-text has been flattened.
MD Iftekhar T.
Revolutionized Our Voice Agent Experience
Reviewed on Jun 26, 2026
Review provided by G2
What do you like best about the product?
I like that the live conversational feel of our voice agent improved significantly after switching to the Pulse feature of smallest.ai. It solves issues with conversational overlap and response lags that disrupt the immersion of voice bots. I appreciate that it helped us move past our product testing phase faster, as the core SST layer no longer stalls on user interruptions. With Pulse, there's no awkward pause after a user finishes speaking, making the conversational flow feel natural. Even our investors and test groups noticed it as an improvement during product demos. The initial setup was straightforward and surprisingly quick, allowing us to integrate Pulse into our voice agent stack in less than a day. The compliance-grade call logging, P11 redaction, and dispute evidence transcription features were also valuable, with P11 redaction saving us from onboarding another compliance vendor.
What do you dislike about the product?
I would like to see a wider variety of webhook options for streaming event logs. Our team also ran into some minor connectivity delays during heavy back-to-back testing sessions.
What problems is the product solving and how is that benefiting you?
It solves conversational overlap and response lags, hastening product testing with seamless user interruptions handling. With Pulse, our voice agent's flow improved, eliminating pauses after speaking, noted as a significant upgrade during demos.
Chaitanya G.
Smooth gateway integration for responsive mobile search
Reviewed on Jun 24, 2026
Review provided by G2
What do you like best about the product?
Our team's ability to pass bearer tokens, handle WebSocket upgrades, and proxy requests without having to develop any new bridging software was a major advantage.
What do you dislike about the product?
It keeps our in-app voice search from bouncing off mobile users. Customers don't abandon their baskets because of delayed text matching because the text returns nearly instantly.
What problems is the product solving and how is that benefiting you?
Pulse fixes language mapping errors instantly during live clinical intake and prevents telehealth audio recording drops. With the automation of the raw note-taking process, we've significantly reduced post-call administrative work for doctors.