Companion Chat: Character.AI, Replika, Talkie, Zeta — 2026-09-04
Recent legal filings have turned private AI chat logs into public records, raising new privacy concerns for users of companion apps. Meanwhile, the Korean market sees intensified competition as Naver Webtoon enters the AI character chat space, challenging incumbents like Zeta (Scatter Lab).
Companion Chat: Character.AI, Replika, Talkie, Zeta — 2026-09-04
Private AI Chat Logs Enter Public Court Records
Recent court filings in a lawsuit involving a US teen have made private ChatGPT conversations part of the public record, serving as a stark warning about data privacy in AI interactions. This development highlights the legal risks associated with sensitive user data stored by AI platforms, potentially impacting how companion app companies handle user confidentiality and discovery in future litigation.
Naver Webtoon Enters Korean AI Character Chat Market
Naver Webtoon has officially entered the AI character chat market, leveraging its extensive library of webtoon intellectual property to compete with existing players like Zeta. This move, reported by local financial media on September 3, 2026, signals a shift in the Korean landscape where established IP holders are beginning to challenge specialized AI startups for market share and user engagement.
Zeta Users Report Model Degradation and User Exodus
Community discussions on Korean forums indicate that Zeta (Scatter Lab) is experiencing a decline in model quality, with users reporting that the AI has become "toxic" or less coherent recently. These complaints, circulating in late August and early September 2026, suggest potential technical or tuning issues that may be driving users away from one of Korea's leading companion apps.
Local view
In South Korea, media coverage focuses heavily on the regulatory gaps and safety concerns surrounding AI companions for minors. A recent investigation by Money Today highlighted that despite age restrictions (14+), apps like Crack and Zeta lack effective age verification, exposing children to inappropriate content and sexualized dialogues. This local scrutiny adds pressure on Korean regulators to enforce stricter age-gating mechanisms similar to those being debated in the US and China.
Context & numbers
- Market Revenue: AI companion apps are on track to generate $120 million in revenue for 2025, with the top 10% of apps capturing 89% of total revenue.
- User Base: Character.AI maintains approximately 20 million monthly active users, while Replika reports over 40 million cumulative registered users.
- App Proliferation: Of the 337 active revenue-generating AI companion apps globally, 128 were released in 2025 alone, indicating rapid market saturation.

On the radar
- Regulatory Enforcement in China: Following the July 15 implementation of China's interim measures banning minors from virtual intimate relationships, platforms like Xingye and Talkie are tightening minor usage permissions. Continued enforcement actions are expected as authorities monitor compliance.
- US State-Level Legislation: With California's SB 243 setting a precedent for age verification in companion AI, other states are expected to introduce similar bills, potentially creating a fragmented compliance landscape for US-based apps like Character.AI and Replika.
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