Alternatives to Convai

Unity MCP by Coplay is an AI agent that completes Unity game development tasks inside the editor from plain-English prompts.

ComfyUI is an open-source node-based engine for AI image, video, audio, and 3D generation with inspectable workflows.

Opus turns text prompts into playable 2D and 3D game worlds, with AI co-pilots and one-click export.

Monster Mash turns 2D sketches into inflated 3D characters you can animate and export for free in your browser

Neocortex: a node-based editor and SDK for building stateful, voice-aware AI NPCs in Unity.

Browser-based 3D design tool for building real-time interactive 3D and 2D experiences you ship to web, iOS and Android.

Browser-based 3D design tool where AI agents and your team build, animate, and ship interactive scenes to web, iOS, and Android from one file.

Meshroom is open-source photogrammetry software that turns photos into textured 3D meshes via a node-based pipeline.

AR/VR development studio plus a no-code AR platform for web, mobile and XR glasses — build, scan and view immersive experiences without

Open-source UE 5.8 plugin that hands AI agents direct control inside the Unreal Editor

Unreal Engine plugin that wires 30+ LLMs, text-to-3D generation, TTS and an MCP server into the editor

Suitless AI motion capture from a webcam, depth camera, VR gear, or iPhone — streamed live into Unreal, Unity, and Blender.

Autodesk's cloud VFX studio that turns live-action footage into editable CG characters, mocap, and USD exports.

Tripo AI turns text prompts, photos, and sketches into engine-ready 3D models, often in under a minute.

AI sprite generator that turns one frame plus a motion prompt into an engine-ready animated spritesheet.

Skybox AI by Blockade Labs turns a written prompt into a 360° equirectangular panorama you can drop into a game engine or VR scene.

DraftAid turns your 3D CAD models into production-ready 2D fabrication drawings in one click, inside the CAD tool you already use.

Backflip AI turns 3D scans, engineering drawings, and phone photos into editable parametric CAD models.

ZEPETO is a mobile social metaverse app for 3D avatar customization, digital fashion, and user-created worlds.

Marble generates persistent, editable 3D worlds from a text prompt, image, video, or 3D structure in your browser.

Infinigen provides open-source procedural generation for photorealistic 3D worlds and labeled synthetic training data from Python code.

Generate Minecraft worlds from real-world locations online in minutes.

Project-aware AI assistant for Unity and Godot that reads your scripts, scenes, and hierarchy, then acts in the editor

Adam is an AI mechanical engineer that edits your CAD models, reconciles BOMs and produces drawings as finished artifacts.

Awen turns plain conversation into finished images, video, vectors, and 3D — no prompt engineering, no model picking.

Generate interactive 3D models and charts inside the Gemini app from plain-language prompts

Free browser-based 3D world builder with AI characters, visual scripting, and a JavaScript-like scripting API.

Vibe code playable browser games and 3D worlds with AI, rendered live in three.js.

Text-to-3D generation and auto-rigging that turns prompts or uploaded models into animated Unity assets.

Polycam turns a phone or drone into a 3D scanner for rooms, objects, floor plans and point clouds.