Inworld AI Platform vs OpenAI Text To Speech

Comparing the features of Inworld AI Platform to OpenAI Text To Speech

Feature
Inworld AI Platform
OpenAI Text To Speech

Capability Features

Advanced Emotion Control (Pro+)
Age Selection
API Key Authentication
Audio Settings
Audio Speed Setting Range
1
Available to Everyone
Bookmark Page
Cost Reduction
>95% cost reduction
Country Selection
Create Speech Button
Custom Voice Selection
AlloyEchoFableOnyxNovaShimmerAshCoralSage
Demo Characters
Hades (Game NPC)Alex (Tutor)Dennis (Therapist)Ashley (AI Friend)Mark (Call Center)
Favorite Voice Option
Gender Selection
High Quality Voices
Hosted, On-Premise, On-Device
HostedOn-PremiseOn-Device
Integrated Audio Player
Multilingual TTS Support
Non-Verbal Control
Open Source
Provider-Agnostic
Realtime Pipelines
Realtime Streaming Output
Reset Filters
Sample Playback
Scaling Support
SOTA Multimodal AI
Templates for Realtime Pipelines
Text to Speech
TTS Playground
Visual Graph System
Voice Characteristics
NeutralProfessionalClearWarmFriendlyEngagingEnergeticExpressiveMatureExperiencedYoungOldFemaleMaleLivelyVibrantDynamicCheerfulCommunity-orientedWiseCalmKnowledgeable
Voice Cloning

Integration Features

API Integrations
Integrations Information
VapiLiveKit
One API Key

Limitation Features

Pricing Information
Processing Delay
Usage Quotas
13/1000
Video Tutorial Requirement
Watch 30 seconds

Pricing Features

Has Free Tier
Pricing Compared to Competitors
>90% cheaper than competing models
Pricing Plans