Compare Lab
AssemblyAI vs ServiceAgent
AssemblyAI is positioned as transcription APIs for live and recorded audio, with model-specific language and analysis options. ServiceAgent is positioned as a home-service front-office product combining call handling with business
AssemblyAI is positioned as transcription APIs for live and recorded audio, with model-specific language and analysis options. ServiceAgent is positioned as a home-service front-office product combining call handling with business administration. Start by deciding who owns the missing layers, then inspect the documented differences below.
STT and Full Platforms are different product categories. An underlying engine or framework is not a complete substitute for a deployed agent workflow.
5 jointly documented catalog fields. This measures evidence coverage, not equivalent quality or an overall winner.
Test opening hours, booking conflicts and an unanswered transfer.
Start where the records differ.
Values and evidence states are compared together. Shared facts follow the differences; Unknown never means No.
| Decision point | AssemblyAI | ServiceAgent |
|---|---|---|
| Billing modelDifferent records | component-stack | character-credit |
| Billing unitDifferent records | Async audio hours; streaming connection hours; agent session minutes; gateway tokens | Action credits;15credits/AI voice minute,2/SMS segment,5/ad creative,1/review reply |
| Bring your telephonyDifferent records | Yes | Unknown |
| Bring your modelDifferent records | Yes | Unknown |
| Warm transferDifferent records | Unknown | Yes |
| HIPAA pathDifferent records | Yes | Unknown |
Your requirements & next steps
Your requirements
Ready-made / AI receptionist · Strict evidence mode
No personal requirements yet. Add criteria in Advanced Filter to prioritize this comparison.
STT hours/session duration, agent minutes, gateway tokens and add-ons remain distinct.
Monthly bundle plus action/telecom credits;15credits/AI voice minute. Not a single all-in minute price.
Model rates are scoped; add-ons stack; reference states updated May 29, 2026 and conflicts are retained.
Growth119monthly/95annual-equivalent;Franchise349/279. Display separates monthly and annual commitment.
Idle streaming connection duration is billable. No fabricated all-in phone cost per minute.
Top-up credit price is$0.02–$0.04; platform fees, included credits and other actions must be modeled separately.
SSO costs $199 per connection per month; do not mistake no base fee for no fixed optional charges.
Annual equivalents39/95/279requireyearlybilling;location/ad/paymentfees separate.
Not a fixed monthly audio allowance; credits do not expire.
Different activities draw from credits; do not convert the entire allowance to guaranteed calling minutes.
No invented bundle overage.
AI voice15credits/minute; top-up package and selected plan determine cost.
Component choices and call mix must be specified.
Reviewed current public offer; retain original billing scope and units.
Not yet researched against this buyer-critical field standard.
Reviewed current public offer; retain original billing scope and units.
No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary.
Variable credit purchase tiers, nonvoice consumption, fees and current waitlist prevent a guaranteed all-in voice rate.
No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary.
Research conclusion about cost completeness, not a vendor capability.
Anyone with this link can view the encoded decision criteria.
Vendor documentation establishes a claim. Public model benchmarks are separate context, not measurements of these platforms.
Open saved comparison ↗What to verify together.
AssemblyAI
A transcription hour is not a complete agent hour.
Universal-2 async / Universal-Streaming $0.15/hour; U3.5 Pro async $0.21/hour; U3 realtime $0.45/hour; Voice Agent $0.075/min · V3.3 evidence review · Voice Agent API reference; standalone STT is hourly; transport/add-ons separate
Excluded / confirm: Complete cost cannot be established from this reference. No complete phone bill ceiling from minutes alone; carrier, model and addon scope vary. · Twilio carrier; optional custom/Gateway LLM; standalone STT add-ons and per-channel billing
STT hours/session duration, agent minutes, gateway tokens and add-ons remain distinct.
ServiceAgent
The public site still carries a launch-soon banner; confirm availability before migrating calls.
Launch $0; paid Core $49/month or $39/month billed yearly · V3.3 evidence review · Core monthly subscription and action-credit allowance; current waitlist, not general availability
Excluded / confirm: Complete cost cannot be established from this reference. Variable credit purchase tiers, nonvoice consumption, fees and current waitlist prevent a guaranteed all-in voice rate. · SMS, campaigns and payment/other service fees vary
Monthly bundle plus action/telecom credits;15credits/AI voice minute. Not a single all-in minute price.
The evidence overlap.
Both records have documented values for Product type, Technical setup, Published numeric pricing, Checked within 30 days, Retained price snapshot. Matching availability does not measure behavior under your call conditions.
Run the same booking, tool failure and unsuccessful human-transfer cases. Record both outcomes and billable units before signing a deployment agreement.
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