Altered Studio vs Neocortex

Altered Studio combines voice transformation and audio production tools for creating professional voice content. Its Speech-to-Speech and Performance-to-Performance morphing changes a voice while retaining the speaker’s performance. Other tools include text-to-speech, voice cloning, AI voice cleaning, denoising, audio editing, DSP effects and batch processing. Studio supports transcription and translation in 75+ languages, and text-to-speech voice-over in 70+ languages. A Rapid Voice Clone can be made from 4–8 seconds of audio; custom voice models are available by contacting Altered. The online Voice Editor can work with Google Drive audio, while RealTime Pro routes audio through a virtual microphone to apps including Discord, Zoom, Microsoft Teams and Google Meet. The free plan includes 3 minutes per month of voice morphing and 10,000 AI tokens. Creator costs $30 a month billed annually; Professional costs $90 a month billed annually. Desktop use requires a Windows PC with an 8GB+ Nvidia GPU, and mobile devices are not currently supported.

Neocortex is a web platform for creating smart agents, interactive worlds, and actions, with SDKs for game-engine integration. Its visual editor lets users shape character personalities, conversation flows, and world dynamics; a node-based editor defines character features and interaction rules. Listed capabilities include action systems, spatial awareness, knowledge bases, emotional responses, and multilingual communication. SDKs are available for Unity, Unreal Engine, and Godot, alongside a Web API usable from any engine or platform. API functions include chat and streaming chat, session history, speech and streaming speech, transcription, quizzes, account and usage information, and character listing. The product is presented for smart NPCs, AI companions, virtual assistants, VR, voice-controlled games, education, training, and interactive storytelling. Platforms include Android, iOS, Linux, macOS, Windows, and web, as well as API and self-hosted options. The Free plan allows personal use and includes 2 characters, 2 conversation flows, and 200 monthly credits. Starter is listed at €9 a month, billed €108 yearly, for personal and academic use; the pricing note says paid plans start at €11/mo. Commercial use is listed for Pro and Team. The Unity SDK quick start requires a Neocortex account, Unity 6 (6000.0) or above, and Git.