Inworld AI

AI characters and voice for games.

◎ Pick: NPC dialogue and AI charactersfree tierSDKs

Overview

Inworld offers voice AI for apps and games: text to speech, speech to text and voice cloning. Instant cloning works from 5 to 15 seconds of audio.

Best for

Cloning a voice without paying up front.

Skip it if

Skip it if you want a simple voiceover app; ElevenLabs is easier to start with.

Pricing

Voice cloning is free. 70 minutes of free speech, then $25 per 1M characters (TTS-2) or $15 per 1M (Flash). Creator $25/mo. Builder $100/mo. Checked Oct 14, 2026 on the official pricing page.

Pros

Voice cloning is free.
70 minutes of free speech before you pay.
Realtime TTS-2 covers 200+ languages, with cross-lingual cloning.

Cons

It's built for developers; you work in its Portal or API.
Professional voice cloning is a paid add-on on Developer ($300/mo) and up.

How it compares

For cloning your voice our Best pick is ElevenLabs, whose cloning starts on Starter ($6/mo). The runner-up is HeyGen. Inworld is the free pick: cloning is free and you pay for the speech you make.

Quick start

Open the TTS Playground in the Inworld Portal.
Click Create Voice, then Clone.
Upload or record 5-15 seconds of audio.

Verdict

Our free pick for voice cloning.

Where Inworld AI shows up

Clone your voiceFree pick NPC dialogue and AI charactersBest pick

Alternatives

Runner-upElevenLabselevenlabs.io

Text to speech, voice cloning and dubbing.

free tierChecked Oct 14, 2026

Runner-upHeyGenheygen.com

AI avatars, video translation and dubbing.