Side by side

CogniStream vs Dialogue AI

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

Choose Dialogue AI if your team wants to create studies from research goals and run AI-moderated interviews or quantitative surveys across its listed use cases. Review its privacy details if studies may use camera-enabled interviews, and book a demo to discuss the paid offering.

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The facts

	CogniStream	Dialogue AI
Free plan	Not published	Not published
Open source	Not published	Not published
Runs on	Web	Web
Lowest paid plan	Not published	Not published
Plans published	None	None
Maker	Not published	Not published
Website	cognistream.ai	dialogueai.com
On conversational ai survey platforms	#18 of 27	#14 of 27

CogniStream: what it does well

Dialogue AI: what it does well

Generates study plans from goals, materials, or an existing plan.
Can interview participants simultaneously in over 30 languages.
Offers recruitment from a vetted global panel of 50M+.
Supports surveys, interviews, transcription, and AI synthesis.
Studies can include images, video, GIFs, Figma files, and live websites.

What to know first

Pricing is available on request.
Camera-enabled interviews may collect face data and derived signals.
Interview video and derived face signals may be retained for up to seven years.

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