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DeepSeek vs Sonia
DeepSeek edges Sonia on our editorial score (4.3 vs 3.7), but the two are close on features — DeepSeek is cheaper at Free, so default to it unless you prefer Sonia's branding.
0| DeepSeek | Sonia | |
|---|---|---|
| Editor score | 4.3 / 5 | 3.7 / 5 |
| Price | Free | Free |
| Price band | Free | Free |
| Free tier | Yes | Yes |
| Price detail | Free to use; API billed per token (DeepSeek-V4-Flash ~$0.15-$0.60 per 1M tokens). | No public pricing page (checked 2026-09-30); subscription appears in-app. |
| Adult content | No adult mode | No adult mode |
| Voice | No | No |
| Images | No | No |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | No | No |
| Companion types | Any character | Any character |
| Platforms | Web, iOS, Android | 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
Sonia — our take
Conversational mental-health support with CBT underpinnings; pricing stays inside the app.
- Always-available emotional support
- Free tier to start
- Private and judgment-free positioning
DeepSeek vs Sonia — common questions
Which is cheaper, DeepSeek or Sonia?
One or both do not publish a comparable monthly price, so we show what each states on its own pricing page: DeepSeek Free, Sonia Free. Confirm at checkout, since regional pricing varies.
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. Sonia: No adult mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.