CoChat vs Teasa

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CoChat compared with Teasa
Detail	CoChat	Teasa
What it does	AI research workspace that verifies every source	Free AI character chat and roleplay with no sign-up
Stage	Startup	Not given
Founded	2025	Not given
Based in	Not given	SG
Pricing model	Freemium	Not given
Pricing	Free: Unlimited messages with free models, access to Basic Models, real-time collaboration, side-by-side model comparison, 3 file uploads per day, 10 citation verifications, 10 GB Zotero Storage. Starter: $9 per month includes everything in Free plus Premium Models, 5x higher usage, 20 file uploads	Free: Hojicha unlimited, 3 Matcha replies a day in most countries, free and unlimited direct messages with any character, short ads. Teasa Basic: $9.90 per month, no ads, 1,000 Matcha replies a week. Teasa Pass: $14.99 per month at beta price (or $4.99 per week), Matcha and Earl Grey unlimited, web
Key features	Search 200M+ academic papers Verify citations against CrossRef and Semantic Scholar Real-time collaboration with advisors and co-authors Compare responses from multiple AI models 250+ integrations with research tools Automated research workflows Generate literature review tables Create flashcards and study materials PRISMA diagram generation Cloud workspace to run code	Play interactive stories with multiple AI characters in a cast Direct message any AI character one-on-one Relationship milestones track connection progress with characters Creator-written quests earn up to 50 gold per story Four chat styles: Hojicha, Matcha, Earl Grey and Oolong Character voices with 2-4 hours monthly on paid plans Create your own AI characters and stories in Creator Studio Import Character.AI chats and characters Web lookup for characters to search and share sources Play 4,137 stories in English across 9 languages
What makes it different	Verifies every citation against academic databases instead of guessing Addresses the citation problem where 1 in 4 citations misrepresent their source Built on Open WebUI, the most widely used open-source AI interface Real-time team collaboration in the same AI workspace Cross-reference AI model outputs to catch hallucinations	No sign-up required to start playing Completely free with unlimited direct messages Characters remember you and grow closer through relationship milestones Interactive stories with player agency and multiple characters Available across web, iOS, Android and Windows
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	11 −23 (down) since last check	16 −1 (down) since last check
Trust Flow (Majestic)	7	13
Citation Flow (Majestic)	28	34
Referring domains (Majestic)	123	61

4 details filled in for both companies.

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