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ChatGPT vs Sonia
ChatGPT edges Sonia on our editorial score (4.2 vs 3.7), but ChatGPT is the better fit if you want live voice calls and image sharing and video and custom characters; Sonia has no clear edge there.
0| ChatGPT | Sonia | |
|---|---|---|
| Editor score | 4.2 / 5 | 3.7 / 5 |
| Price | $20/mo | Free |
| Price band | $10–20/mo | Free |
| Free tier | Yes | Yes |
| Price detail | Free tier available; Plus $20/mo, billed monthly only — the annual discount applies to Business seats, not Plus. Voice mode included. | No public pricing page (checked 2026-09-30); subscription appears in-app. |
| Adult content | No adult mode | No adult mode |
| Voice | Live calls | No |
| Images | Yes | No |
| Video | Yes | No |
| Memory | Yes | Yes |
| Custom characters | Yes | No |
| Companion types | Any character | Any character |
| Platforms | Web, iOS, Android, Desktop | iOS, Android |
| Runs locally | No | No |
ChatGPT — our take
Not built as a companion, but its memory and voice mode make it a legitimate daily chat partner.
- Best general reasoning and writing
- Strong voice mode
- Memory across conversations
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
ChatGPT vs Sonia — common questions
Which is cheaper, ChatGPT or Sonia?
One or both do not publish a comparable monthly price, so we show what each states on its own pricing page: ChatGPT $20/mo, Sonia Free.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: voice support differs between them.
Which handles adult content differently?
ChatGPT: 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.