Features
11 features, defined
How we score each column. Open a feature to see every platform side by side with the vendor's wording.
Price per minutePublished platform price per minute. Yes = a per-minute rate is published. Partial = priced another way (tokens, plans) so per-minute cost depends on usage. No = no public rate.9 of 11 yesLatency claimA latency figure the vendor publishes on an official page. These are vendor claims, not our measurements.4 of 11 yesLanguagesHow many languages agents can speak, as stated by the vendor. Partial = multilingual is documented but no count is published.4 of 11 yesPhone numbers & telephonyBuy numbers in-platform or connect Twilio/SIP to take and make real phone calls.10 of 11 yesBring your own LLMUse your own model or your own server as the agent's brain. Partial = choose from a provider list or enterprise-only key.6 of 11 yesCustom / BYO voiceClone a voice, or plug in a third-party TTS voice.8 of 11 yesInterruption handlingDocumented barge-in, turn-taking or interruption-sensitivity controls.11 of 11 yesTool calling & MCPYes = agents can call MCP servers. Partial = custom tool/function calling but no agent-side MCP documented.6 of 11 yesHIPAA / BAAVendor states HIPAA compliance or signs a BAA. Partial = only on enterprise or as a paid add-on.5 of 11 yesSOC 2Vendor states a SOC 2 report or certification.8 of 11 yesFree tier / creditsFree minutes or credits to try the platform without paying.7 of 11 yes
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