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Head-to-head · AI Voice Agents

Tone vs Pipecat

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Tone #2 in AI Voice Agents 9.3/10 Free plan Free plan✓ 4 of 4 features Visit Tone
Pipecat #4 in AI Voice Agents 9.1/10 Open source ✓ 4 of 4 features Visit Pipecat

Tone leads on 0 checks, Pipecat on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTone · 9.3/10
  • Free planonly Tone

Tone scores higher on our rubric for ai voice agents: 9.3 against 9.1 out of 10; our editors rank them #2 and #4.

Tone is the better fit for teams wanting a complete open-source voice platform. Pipecat is the better fit for teams building composable voice pipelines.

  • Tone fits best

    Teams wanting a complete open-source voice platform

  • Pipecat fits best

    Teams building composable voice pipelines

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 Tone 9.3/10 Visit ↗ Pipecat 9.1/10 Visit ↗
At a glance
Editor score 9.3 9.1
Ranking #2 in AI Voice Agents #4 in AI Voice Agents
Best for Teams wanting a complete open-source voice platform Teams building composable voice pipelines
Pricing model Free plan + paid Free
Starting price $0.09 usage-based Free
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Cloud, Mobile, Self-hosted
Platforms Web Web, iOS, Android
Integrations 20 integrations 12 integrations
Features Tone 4/4 · Pipecat 4/4
Inbound calls ✓ ✓
Outbound calls ✓ ✓
Human handoff ✓ ✓
Custom phone numbers ✓ ✓
Specs
Supported languages 29 languages Not checked yet
Concurrent calls Not checked yet Not checked yet
Our review
Pros
  • Self-hosting includes unlimited agents, calls, workflows, and integrations.
  • Visual workflows support conditional branches and human handoff.
  • Testing, call observability, and knowledge citations are built in.
  • Combines audio, video, text, image, AI-service, and transport components
  • Supports multi-agent handoffs, parallel execution, and PSTN/SIP calling
  • Offers CLI deployment workflows plus metrics, traces, and OpenTelemetry
Cons
  • Self-hosting requires teams to bring their own LLM, voice, and telephony.
  • Cloud usage is billed per minute rather than through a fixed plan.
  • Enterprise pricing is not specified in the published plan details.
  • Building agents requires assembling pipeline components
  • Pipecat Cloud hosting is priced per active agent minute
  • The listed Cloud profiles range from voice-only to voice-and-video workloads
Our verdict

Tone is an open-source platform for teams building phone and other conversational agents. It supports inbound and outbound calls, web widgets, chat, and SMS, with a runtime, workflow builder, knowledge base, testing tools, and…

Read the review →

Pipecat is an open-source Python framework for developers building real-time voice and multimodal conversational agents. Its composable pipelines cover speech recognition, language models, text-to-speech, transport, tools, and conversation…

Read the review →
  1. ToneAI Voice Agents 9.3Free plan
  2. PipecatAI Voice Agents 9.1Open source

Strengths and trade-offs

  • Tone — where it wins

    • Self-hosting includes unlimited agents, calls, workflows, and integrations.
    • Visual workflows support conditional branches and human handoff.
    • Testing, call observability, and knowledge citations are built in.

    Where it doesn't

    • Self-hosting requires teams to bring their own LLM, voice, and telephony.
    • Cloud usage is billed per minute rather than through a fixed plan.
    • Enterprise pricing is not specified in the published plan details.

  • Pipecat — where it wins

    • Combines audio, video, text, image, AI-service, and transport components
    • Supports multi-agent handoffs, parallel execution, and PSTN/SIP calling
    • Offers CLI deployment workflows plus metrics, traces, and OpenTelemetry

    Where it doesn't

    • Building agents requires assembling pipeline components
    • Pipecat Cloud hosting is priced per active agent minute
    • The listed Cloud profiles range from voice-only to voice-and-video workloads
  • Tone9.3/10 · Free plan

    A full voice-agent toolkit with free self-hosting and cloud usage priced per minute.

    Visit ToneFull verdict →
  • Pipecat9.1/10 · Open source

    A composable Python framework for building and deploying voice and multimodal agents.

    Visit PipecatFull verdict →

More comparisons

All AI voice agents comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update