
Free, unlimited use to develop and test integrations.

Full developer control over user positioning, loudness, room attenuation, and other aspects of the audio environment.

Low-latency delivers natural feeling conversations.

Data from High Fidelity (pricing) and Twilio (pricing).
Feature | High Fidelity | Twilio |
---|---|---|
Delay | ~200ms | 220ms |
Spatial Audio | ![]() |
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Unity SDK | ![]() |
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Music | ![]() |
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Audio Occlusion | ![]() |
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Concurrency Speaker Max | 150 | 250 |
Pricing | $0.0035/min per user; volume discounts available | $0.0018/min per user in U.S.; $0.0025 if recorded; volume discounts available |
Data from High Fidelity and Twilio.
Feature | High Fidelity | Twilio |
---|---|---|
Web API | ![]() |
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AGC Available | ![]() |
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AEC Available | ![]() |
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Noise Cancellation Available | ![]() |
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Moderation Tools | ![]() |
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Special Effects | ![]() |
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