kitio.aiPi vs Sesame
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Pi starts at Free and Sesame starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Empathetic conversation style
- Spoken replies
- Multiple voices
- Conversation history
- Mobile apps
- Lifelike voice conversation
- Four distinct agents
- Shared voice and text memory
- Search cards
- Notes
| Feature | Pi | Sesame |
|---|---|---|
| Best for | Inflection's friendly, conversational assistant for talking things through | Voice-first AI companions with lifelike speech and long-term memory |
| Category | Chat assistants | Chat assistants |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Inflection AI | Sesame AI |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Pi starts at Free and Sesame starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Pi
- Pleasant, supportive tone
- Good voice experience
- Free with no subscription
- Weak for research or coding
- Slower development than rivals
- Not a replacement for therapy
Sesame
- Very natural-sounding speech
- Agents remember past chats
- Free during preview
- iOS-first rollout
- Fewer productivity tools
- Pricing after preview unknown
Which one should you choose?
Choose Pi if you want:
- Pleasant, supportive tone
- Good voice experience
- Free with no subscription
Watch out: weak for research or coding.
Choose Sesame if you want:
- Very natural-sounding speech
- Agents remember past chats
- Free during preview
Watch out: ios-first rollout.
Pi vs Sesame FAQ
What is the difference between Pi and Sesame?
Pi: Inflection's friendly, conversational assistant for talking things through. Sesame: Voice-first AI companions with lifelike speech and long-term memory. Both are chat assistants tools.
Is Pi or Sesame cheaper?
Pi starts at Free and Sesame starts at Free. Check both pricing pages for current plans.
Do Pi and Sesame have free plans?
Pi: Yes, fully free. Sesame: Yes, fully free.
Who makes Pi?
Pi is made by Inflection AI, based in United States.
Who makes Sesame?
Sesame is made by Sesame AI, based in United States.
Which should I choose, Pi or Sesame?
Choose Pi if you value pleasant, supportive tone and good voice experience. Choose Sesame if you value very natural-sounding speech and agents remember past chats.