Subscription & Plans | Smallest AI Docs

Location: On app.smallest.ai/dashboard, click the settings icon in the bottom-left of the sidebar. Subscription and billing live in two tabs:

Billing & Invoices — payment methods + invoice history
Explore Plans — compare plans and upgrade/downgrade

Manage Subscription

The Explore Plans tab shows the available plans and marks your current one as CURRENT. To change plans, pick a plan and click Upgrade or Downgrade Plan.

The Billing & Invoices tab shows:

Section	What’s there
Payment Method	Card on file. Added charges, auto-recharge credits, and invoices are billed to this card.
Invoices	All / Pending / Paid filters over your invoice history

To add or change your card, click Add Payment Method on the Billing & Invoices tab.

Plans

Plans are available on Monthly or Annual billing. All plans include access to the no-code Agent Builder and Agentic Graph Builder.

Overview

	Pay As You Go	Personal	Business	Enterprise
Price	Usage Based	$49/month	$1,999/month	Custom
Best For	Pay only for what you use. No monthly commitment.	Individual developers or early-stage teams building with voice AI	Growing teams deploying voice AI across products or workflows	High-volume, regulated, or OEM deployments requiring full control

AI Agents

Feature	Pay As You Go	Personal	Business	Enterprise
No. of AI Agents	5	5	20	Unlimited
Agentic Graph Builder / No-code Agent Builder	✅	✅	✅	✅
Prompt Engineering Support	—	—	1 agent free setup	Custom
Extra Custom Agent Setup	—	—	$2,000 per agent	Custom support
Voice Cloned Calls	—	—	—	Custom
Analytics (Coming soon)	—	—	—	Custom support

Calling & Campaigns

Feature	Pay As You Go	Personal	Business	Enterprise
Cost/min (India)	~$0.09	~$0.09	~$0.07	Custom
Cost/min (US)	~$0.15	~$0.15	~$0.12	Custom
Campaigns	60	60	1,000	Custom
Parallel Calls	1	1	10	Custom
Add-On Phone Numbers	—	$10/number/month	$10/number/month	Custom
Phone Number Rotation	—	—	—	Contact Sales

Our Models

Feature	Pay As You Go	Personal	Business	Enterprise
Speech Model Access	All models	All models	All models	All models
Lightning / 10K chars (USD)	~$0.08	~$0.08	~$0.05	Custom
Lightning V2 / 10K chars (USD)	~$0.20	~$0.20	~$0.10	Custom
No. of Voice Clones	5	5	15	Unlimited
Professional Voice Clone Support	—	—	—	Unlimited
Custom Model Support	—	—	—	✅
Concurrency on WebSocket	3 requests	3 requests	15 requests	Custom
RPM for TTS APIs	100	100	1,000	Custom

Support & Security

Feature	Pay As You Go	Personal	Business	Enterprise
API Access	Limited	Limited	Full access	Full access
CRM Integrations	—	—	✅	✅
On-premise Deployment	—	—	—	✅
Compliance (HIPAA, SOC2, etc.)	—	—	—	✅
SIP Server Access	—	—	—	✅
KYC Requirement	—	—	—	✅
SLAs & Support	Email support	Email support	Slack + Priority Support	Custom

Tools / Products

Feature	Pay As You Go	Personal	Business	Enterprise
TTS Studio	✅	✅	✅	✅
AI Script Assistant	✅	✅	✅	✅
No. of TTS Projects	10	10	500	Custom

Questions?

Contact Sales

Custom pricing for enterprise or high-volume needs