# Inworld review (2026)

> AI infrastructure and text to speech; formerly an NPC character studio.

Inworld started as an AI NPC character platform and has moved toward B2B AI infrastructure and text-to-speech models.

**Best for:** Studios building voiced, conversational characters.

**Make AI Games score:** 86/100 (facts-based; hands-on test pending)

| Fact | Value |
|---|---|
| Website | https://inworld.ai |
| Status | Active |
| Categories | NPCs & dialogue, Voice |
| Pricing | Limited free tier; From $25/mo |
| Commercial use | Allowed |
| Engines | Unity, Unreal |
| Exports | MP3, WAV |
| Skill level | advanced |
| Last verified | 2026-10-21 |

## Score breakdown

- Accessibility: 62/100
- Output & integration: 86/100
- Commercial rights: 100/100
- Value: 75/100
- Maturity: 100/100
- Game focus: 100/100
- Features: 90/100

## Features

- Unity SDK: Yes (Unity 2022.3 LTS or later; Windows, Mac, Android and iOS)
- Unreal SDK: Yes
- Built-in voice: Yes
- Long-term memory: Partly (Realtime API keeps memory per session; your app must save and restore it between sessions)
- NPCs trigger game actions: Yes (Tool calling lets the AI call functions your game handles)
- Runs on device: Partly (On-device text to speech is in private preview, by request)
- Voice cloning: Yes
- Design a voice from a description: Yes
- Emotion and delivery control: Yes (Natural-language delivery steering on TTS-2, plus emotion tags)
- Multiple languages: Yes (100+ languages)
- Speech to speech: Partly (Realtime API does spoken conversations; no voice changer to re-voice your recordings)
- API: Yes

## Pricing plans

- On-Demand: free (Pay as you go, up to 70 min TTS included)
- Creator: $25/mo
- Builder: $100/mo
- Developer: $300/mo
- Enterprise: custom

License note: Commercial licence on every plan incl. free On-Demand; must have rights to any voice you clone

Pricing note: On-Demand free pay-as-you-go (up to 70 min TTS included); Creator $25/mo; Builder $100; Developer $300; Growth $1,500; Enterprise custom

## Sources

- https://inworld.ai
- https://inworld.ai/pricing
- https://docs.inworld.ai/portal/billing
- https://inworld.ai/voice-generator
- https://inworld.ai/voice-cloning
- https://inworld.ai/gaming-media
- https://docs.inworld.ai/docs/Unity/runtime/get-started
- https://inworld.ai/blog/introducing-unreal-ai-runtime-sdk
- https://docs.inworld.ai/realtime/usage/long-term-memory
- https://docs.inworld.ai/realtime/usage/tool-calling
- https://inworld.ai/on-device
- https://docs.inworld.ai/tts/capabilities/steering
- https://docs.inworld.ai/realtime/overview
- https://docs.inworld.ai/tts/capabilities/generating-audio.md
- https://docs.inworld.ai/llms.txt

Canonical: https://makeaigames.com/tools/inworld