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Head-to-head · AI Voice Agents

Tone vs Replicant

  • 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
Replicant #8 in AI Voice Agents 8.7/10 Pricing on request ✓ 1 of 4 features Visit Replicant

Tone leads on 1 check, Replicant on 0, and 4 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
  • Most featuresTone · 4 of 4

Tone scores higher on our rubric for ai voice agents: 9.3 against 8.7 out of 10; our editors rank them #2 and #8.

Tone offers free plan; Replicant doesn't.

Tone is the better fit for teams wanting a complete open-source voice platform. Replicant is the better fit for enterprises automating support across connected systems.

  • Tone fits best

    Teams wanting a complete open-source voice platform

  • Replicant fits best

    Enterprises automating support across connected systems

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 ↗ Replicant 8.7/10 Visit ↗
At a glance
Editor score 9.3 8.7
Ranking #2 in AI Voice Agents #8 in AI Voice Agents
Best for Teams wanting a complete open-source voice platform Enterprises automating support across connected systems
Pricing model Free plan + paid Paid
Starting price $0.09 usage-based Pricing on request
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Web Web
Integrations 20 integrations 20 integrations
Features Tone 4/4 · Replicant 1/4
Inbound calls ✓ (best) Not checked yet
Outbound calls ✓ (best) Not checked yet
Human handoff ✓ ✓
Custom phone numbers ✓ (best) Not checked yet
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.
  • Automates service workflows across voice, chat, and SMS
  • Hands off conversations with transcripts, summaries, and context
  • Supports multilingual agents and multi-region failover
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.
  • Pricing requires contacting sales
  • Designed for contact centers, not general-purpose voice automation
  • No-code configuration still requires workflow and guardrail design
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 →

Replicant is an enterprise conversational AI platform for contact centers, built to automate customer-service interactions across voice, chat, and SMS. It is suited to organizations handling workflows such as authentication, billing,…

Read the review →
  1. ToneAI Voice Agents 9.3Free plan
  2. ReplicantAI Voice Agents 8.7Pricing on request

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.

  • Replicant — where it wins

    • Automates service workflows across voice, chat, and SMS
    • Hands off conversations with transcripts, summaries, and context
    • Supports multilingual agents and multi-region failover

    Where it doesn't

    • Pricing requires contacting sales
    • Designed for contact centers, not general-purpose voice automation
    • No-code configuration still requires workflow and guardrail design
  • Tone9.3/10 · Free plan

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

    Visit ToneFull verdict →
  • Replicant8.7/10 · Pricing on request

    Replicant automates contact-center workflows across channels, with human handoff and failover.

    Visit ReplicantFull 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