Inworld vs Merlin
Inworld and Merlin are both Conversational AI tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Inworld | Merlin |
|---|---|---|
| Vendor | Inworld AI | Merlin AI |
| Rating | ★ 4.4 | ★ 4.4 |
| Pricing | Pay-as-you-go | Freemium |
| Platforms | API, Game engines, Web | Web, Extension, iOS, Android |
| Key features | Persistent NPC personality & memory, Real-time voice with emotion, Goals and decision-making for NPCs | Multi-model chat, Page & video summaries, Translation tools |
| Headquarters | Mountain View, USA | San Francisco, USA |
| Founded | 2021 | 2022 |
| Open source | No | No |
Key differences
- Inworld and Merlin share the same user rating (4.4★).
- Inworld is Pay-as-you-go, while Merlin is Freemium.
- Inworld runs on API, Game engines, Web; Merlin runs on Web, Extension, iOS, Android.
Frequently asked questions
Is Inworld or Merlin better?
Inworld and Merlin are rated equally (4.4★) by users, so the better choice depends on your needs — see the feature and platform comparison above.
Which is cheaper, Inworld or Merlin?
Inworld is Pay-as-you-go and Merlin is Freemium. Check each product page for current plan details.
Are Inworld and Merlin open source?
No — neither Inworld nor Merlin is open source.