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Pi vs Perplexity
Pi edges Perplexity on our editorial score (4.0 vs 4.0), but Pi is the stronger pick if you want live voice calls, while Perplexity fits better if voice notes or image sharing matter more.
0| Pi0 | Perplexity0 | |
|---|---|---|
| Editor score | 4.0 / 5 | 4.0 / 5 |
| Price | Free | $16.67/mo |
| Price band | Free | $10–20/mo |
| Free tier | Yes | Yes |
| Price detail | Free, with no usage limit and no paid tier — no card required. | Free tier (unlimited quick searches, 5 Pro queries/day). Pro $20/mo or $200/yr (~$16.67/mo); Max $200/mo. |
| Adult content | No adult mode | No adult mode |
| Voice | Live calls | Voice notes |
| Images | No | Yes |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | No | No |
| Companion types | Any character | Any character |
| Platforms | Web, iOS, Android | Web, iOS, Android |
| Runs locally | No | No |
Pi — our take
Completely free, genuinely warm, and no upsell wall. Not a roleplay product, but an excellent listener.
- Entirely free with unlimited voice
- Consistently rated the most empathetic free model
- No ads
Perplexity — our take
Less a companion, more a research sidekick, but its free tier and cited answers make it a handy daily AI.
- Cited sources on every answer
- Strong free tier
- Fast, focused answers
Pi vs Perplexity — common questions
Which is cheaper, Pi or Perplexity?
Pi is the cheaper of the two at Free, against $16.67/mo for Perplexity.
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?
Pi: No adult mode. Perplexity: 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.