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DeepSeek vs Soulthread
DeepSeek edges Soulthread on our editorial score (4.3 vs 3.8), but Soulthread is the better fit if you want voice notes and custom characters; DeepSeek has no clear edge there.
0| DeepSeek | Soulthread | |
|---|---|---|
| Editor score | 4.3 / 5 | 3.8 / 5 |
| Price | Free | $9.99/mo |
| Price band | Free | Under $10/mo |
| Free tier | Yes | Yes |
| Price detail | Free to use; API billed per token (DeepSeek-V4-Flash ~$0.15-$0.60 per 1M tokens). | Free Chat Monthly $9.99, All Access (adds Story Mode) $19.99 per a third-party directory (2026-07); official site shows no public pricing page. Free tier has daily chat/voice quotas. |
| Adult content | No adult mode | Optional mature mode |
| Voice | No | Voice notes |
| Images | No | No |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | No | Yes |
| Companion types | Any character | Any character |
| Platforms | Web, iOS, Android | Web, iOS, Android |
| Runs locally | No | No |
DeepSeek — our take
Not a companion, but its free, capable chat and long memory make it a credible daily AI friend.
- Free with no usage cap
- Strong reasoning and coding
- Long conversation memory
Soulthread — our take
Memory-led companion community where characters remember you, post on their own, and answer in expressive TTS.
- Layered long-term memory across sessions
- Agents post autonomously to a social feed
- Create and publish your own agents
DeepSeek vs Soulthread — common questions
Which is cheaper, DeepSeek or Soulthread?
DeepSeek is the cheaper of the two at Free, against $9.99/mo for Soulthread.
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Both keep context across sessions. The practical difference is elsewhere: price and platform coverage differ between them.
Which handles adult content differently?
DeepSeek: No adult mode. Soulthread: Optional mature mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.