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Head-to-head · Communication Platform as a Service (cPaaS) Platforms

Bandwidth Voice API vs LiveKit Agents

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Bandwidth Voice API #4 in Communication Platform as a Service (cPaaS) Platforms 8.9/10 Pricing on request ✓ 1 of 6 features Visit Bandwidth
LiveKit Agents #8 in Communication Platform as a Service (cPaaS) Platforms 7.9/10 Free plan Free plan✓ 0 of 6 features Visit LiveKit Agents

Bandwidth Voice API leads on 0 checks, LiveKit Agents on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBandwidth Voice API · 8.9/10
  • Free planonly LiveKit Agents
  • Most featuresBandwidth Voice API · 1 of 6

Bandwidth Voice API scores higher on our rubric for communication platform as a service (cpaas) platforms: 8.9 against 7.9 out of 10; our editors rank them #4 and #8.

LiveKit Agents offers free plan; Bandwidth Voice API doesn't.

Bandwidth Voice API is the better fit for developers building programmable PSTN voice services. LiveKit Agents is the better fit for builders creating real-time voice AI agents.

  • Bandwidth Voice API fits best

    Developers building programmable PSTN voice services

  • LiveKit Agents fits best

    Builders creating real-time voice AI agents

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Bandwidth Voice API 8.9/10 Visit ↗ LiveKit Agents 7.9/10 Visit ↗
At a glance
Editor score 8.9 7.9
Ranking #4 in Communication Platform as a Service (cPaaS) Platforms #8 in Communication Platform as a Service (cPaaS) Platforms
Best for Developers building programmable PSTN voice services Builders creating real-time voice AI agents
Pricing model Paid Free plan + paid
Starting price Pricing on request $50/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Self-hosted
Features Bandwidth Voice API 1/6 · LiveKit Agents 0/6
SMS messaging Not checked yet Not checked yet
Voice calling Not checked yet Not checked yet
Video communications Not checked yet Not checked yet
WhatsApp channel Not checked yet Not checked yet
Phone numbers ✓ (best) Not checked yet
No-code builder Not checked yet Not checked yet
Specs
Supported countries Not checked yet Not checked yet
Our review
Pros
  • Supports inbound and outbound PSTN calling with Bandwidth phone numbers
  • Combines call control, recording, SIP connectivity and call-event webhooks
  • SDK resources cover C#, Java, Node.js, PHP, Python and Ruby
  • Open-source framework with LiveKit Cloud and self-hosted deployment options
  • Inbound and outbound telephony with SIP, transfers, and human handoffs
  • Pluggable model integrations plus testing, recordings, transcripts, and traces
Cons
  • Pricing is contact-sales only rather than a published fixed plan
  • No free plan is available
  • The listed platform is API-only, so integration requires development work
  • More specialized for AI-agent workflows than general-purpose cPaaS
  • The Scale plan costs $500 per month
  • Telephony workflows depend on phone numbers or SIP providers
Our verdict

Bandwidth Voice API gives software teams and enterprises API access to telephone calling for business applications. It supports inbound calls on Bandwidth phone numbers, outbound PSTN calling, phone-number provisioning and management, and…

Read the review →

LiveKit Agents combines an open-source framework with a cloud platform for realtime, programmable voice and multimodal AI agents. It is aimed at developers and teams creating conversational voice applications and other realtime AI…

Read the review →
  1. Bandwidth Voice APICommunication Platform as a Service (cPaaS) Platforms 8.9Pricing on request
  2. LiveKit AgentsCommunication Platform as a Service (cPaaS) Platforms 7.9Free plan

Strengths and trade-offs

  • Bandwidth Voice API — where it wins

    • Supports inbound and outbound PSTN calling with Bandwidth phone numbers
    • Combines call control, recording, SIP connectivity and call-event webhooks
    • SDK resources cover C#, Java, Node.js, PHP, Python and Ruby

    Where it doesn't

    • Pricing is contact-sales only rather than a published fixed plan
    • No free plan is available
    • The listed platform is API-only, so integration requires development work

  • LiveKit Agents — where it wins

    • Open-source framework with LiveKit Cloud and self-hosted deployment options
    • Inbound and outbound telephony with SIP, transfers, and human handoffs
    • Pluggable model integrations plus testing, recordings, transcripts, and traces

    Where it doesn't

    • More specialized for AI-agent workflows than general-purpose cPaaS
    • The Scale plan costs $500 per month
    • Telephony workflows depend on phone numbers or SIP providers

More comparisons

All communication platform as a service (cPaaS) platforms comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update