Side by side

EmoPy vs Hume AI

Both stand on emotion ai software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Choose Hume AI if you are building voice models or agents and need tools to measure, test or improve voice interactions. Its evaluation suite, expression APIs and human feedback options support several stages of that work. The stated restriction on commercial use makes it unsuitable for projects requiring commercial use.

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The facts

	EmoPy	Hume AI
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Mac, Windows	API, iPhone, Mac, Web
Lowest paid plan	Not published	Not published
Plans published	None	None
Maker	Not published	Not published
Website	github.com	hume.ai
On emotion ai software	#5 of 14	#1 of 14

EmoPy: what it does well

Hume AI: what it does well

VoiceEQ tests systems under realistic conditions and helps diagnose failures.
Expression APIs measure vocal and facial expression.
Audio Expression API supports more than 50 languages.
Prism Pipeline can be deployed in a customer VPC on GKE, EKS or AKS.
Integrations include Agora, LiveKit, Twilio, Vapi and the Vercel AI SDK.

What to know first

Expression Measurement API access is in limited release; access can be requested from Hume.
Commercial use is not allowed.
Disabling EVI retention removes chat history and resume features.

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