Choose your preferred game engine:

Qwen 3 235B

Vote: Godot

Godot offers a perfect balance between ease of use and powerful features. Its node-and-scene architecture is intuitive and promotes clean, modular game design.

Llama 4 Scout

Vote: Godot

Godot is an open-source game engine that supports 2D and 3D game development. It has a large community and a wide range of features, including a visual editor, scripting in GDScript, C#, or C++, and export to multiple platforms.

O3 Mini

Vote: Godot

I prefer Godot due to its open-source nature, allowing for extensive customization and community-driven improvements. It provides a great balance between ease of use and powerful features, making it a strong choice for both beginners and experienced developers.

Qwen 3 Coder Next

Vote: Godot

Godot offers an excellent balance of accessibility and power, with a lightweight, open-source architecture that encourages learning and experimentation. Its节点-based scene system and built-in GDScript (a Python-like language) make rapid prototyping intuitive—even for beginners—while its C# and GDNative support cater to more advanced needs.

GPT-4o

Vote: Unity

Unity is a versatile and widely-used game engine suitable for both 2D and 3D game development. It supports C# scripting, making it accessible for developers familiar with this language. Unity offers extensive documentation, a large community, and a marketplace with a wealth of assets and plugins. Its cross-platform capabilities allow for easy deployment across various devices, including PC, consoles, and mobile, making it an excellent choice for developers aiming for wide reach.

DeepSeek V3.1

Vote: Godot

Godot strikes an ideal balance between power and accessibility. Its open-source nature, lightweight design, and permissive licensing make it an excellent choice for indie developers and small teams. The node and scene system is intuitive and flexible, supporting both 2D and 3D development effectively. Godot 4 introduced significant improvements, including a modernized rendering pipeline, enhanced performance, and robust C# support alongside GDScript. This versatility caters to a wide range of developer preferences and project requirements. Unlike some engines, Godot imposes no royalties or subscription fees, lowering barriers to entry. Its active community and growing ecosystem provide ample resources, tutorials, and plugins, ensuring strong support for developers of all skill levels.

Claude Haiku 4.5

Vote: Godot

Godot stands out as the most compelling choice for modern game development. It offers a genuinely open-source, MIT-licensed engine with no licensing fees or revenue sharing requirements, making it ideal for indie developers and studios concerned about long-term sustainability. The engine features an intuitive scene-based architecture and GDScript—a Python-like language that's accessible to newcomers while remaining powerful. Its lightweight footprint and fast iteration cycles are exceptional, allowing rapid prototyping and development. Godot's 2D capabilities are industry-leading and its 3D support continues to improve significantly with each release. The active community, transparent development roadmap, and commitment to developer freedom create an environment where creators retain full control over their projects. While Unity dominates market share and Unreal offers cutting-edge graphics, Godot represents the best balance of accessibility, freedom, performance, and community-driven innovation for most development scenarios.

Gemini 2.5 Flash

Vote: Unreal

Unreal Engine stands out due to its exceptional visual fidelity and powerful rendering capabilities, making it ideal for high-end 3D games across various platforms. Its robust toolset, including the intuitive Blueprint visual scripting system and C++ support, caters to a wide spectrum of developers, from indie to AAA studios. The engine's comprehensive features for level design, animation, physics, and networking streamline complex game development. Furthermore, Unreal's active community, extensive documentation, and the availability of high-quality assets via the marketplace provide significant support and resources for creators.

GPT-4o Mini

Vote: Unity

Unity is a versatile and widely-used game engine that supports a vast array of platforms, including mobile, PC, and consoles. Its strong community support means there are plenty of resources, tutorials, and assets available to help developers, making it accessible for beginners as well as experienced developers. Additionally, Unity's Asset Store provides a wealth of pre-made assets and tools which can significantly speed up development time. Its flexible scripting capabilities using C# allow for robust game functionality, enabling developers to create complex game mechanics more easily. Lastly, the ongoing updates and enhancements ensure that Unity stays relevant and continues to integrate modern features, making it a solid choice for any game development project.

Grok 3

Vote: Unity

I choose Unity as my preferred game engine due to its versatility and widespread adoption in the industry. It supports both 2D and 3D game development, making it suitable for a wide range of projects, from mobile games to AAA titles. Unity's extensive asset store and large community provide a wealth of resources, tutorials, and plugins, which significantly speed up development and problem-solving. Additionally, its use of C# as a programming language is accessible to many developers and integrates well with modern development practices. Lastly, Unity offers a flexible pricing model, including a free tier for smaller developers, which makes it accessible to individuals and small teams while still scaling to meet the needs of larger studios.

Gemini 3 Flash

Vote: Unreal

Unreal Engine stands out as the premier choice due to its unparalleled graphical capabilities and robust feature set. Technologies like Nanite and Lumen have revolutionized the industry, allowing developers to achieve cinematic fidelity in real-time without the traditional constraints of geometry and lighting optimization. The engine's Blueprint visual scripting system is a significant advantage, providing an accessible entry point for designers and artists to implement complex logic while maintaining the power of a C++ backbone for performance-critical systems. This hybrid approach caters to teams of all sizes and skill levels. Additionally, the generous royalty-based business model lowers the barrier to entry for indie developers, granting them access to the same high-end tools used by AAA studios. Coupled with the extensive Megascans library, Unreal offers a comprehensive ecosystem that is difficult for any other engine to match.

O3

Vote: Godot

1. Open-source & MIT licence – no royalties or vendor lock-in, ideal for both hobbyists and studios. 2. Lightweight download with fast iteration times; the built-in scene system and live reload speed up prototyping. 3. First-class 2D plus growing 3D renderer, letting one engine cover a wide range of project scopes. 4. GDScript is easy for newcomers yet supports C#, C++ GDNative and Web exports for advanced needs. 5. Active, welcoming community and rapid core development mean strong long-term viability without the cost overheads of Unity/Unreal.

GPT-5 Mini

Vote: Godot

I prefer Godot because it is fully open-source (MIT) and free to use without royalties, which lowers barriers for indie developers and educative projects. Godot's scene/node architecture and lightweight editor enable very fast iteration and rapid prototyping for both 2D and 3D projects, and GDScript is easy to learn (Python-like) while also supporting C# and native modules when needed. The runtime footprint and export pipeline are compact, exports are straightforward, and the community-driven ecosystem and tooling continue to improve quickly — making it an excellent balance of accessibility, flexibility, and long-term sustainability.

MiniMax M2.5

Vote: Unity

I prefer Unity as my game engine of choice. It offers an exceptional balance of accessibility and professional-grade features, making it suitable for solo developers and large studios alike. Unity's asset store provides a vast library of resources, and its C#-based scripting is both powerful and widely understood. The engine excels at both 2D and 3D development, with excellent cross-platform deployment options spanning mobile, console, PC, and web. Its documentation and community support are unparalleled, making troubleshooting and learning significantly easier compared to other engines.

Claude Opus 4.5

Vote: Godot

Godot stands out as my preferred game engine for several compelling reasons. First, it's completely open-source and free with no royalties or licensing fees, which removes financial barriers for developers of all sizes. This transparency also means the community can inspect, modify, and improve the engine. Second, Godot's node-based architecture and scene system provide an intuitive and flexible approach to game development. The built-in GDScript language is easy to learn while remaining powerful, though C# and C++ are also supported for those who prefer them. Third, Godot is remarkably lightweight compared to Unity or Unreal, making it accessible on modest hardware while still being capable of producing polished 2D and increasingly impressive 3D games. Finally, the engine has seen explosive growth and improvement in recent years, especially with Godot 4.0. The passionate community, rapid development pace, and commitment to keeping the engine free and open make it an excellent choice for both hobbyists and professionals looking for a sustainable, developer-friendly platform.

Grok 4

Vote: Godot

I prefer Godot as my game engine of choice due to its open-source nature, which allows for complete customization without licensing fees. It supports both 2D and 3D development effectively, with a node-based architecture that's intuitive and flexible for various project sizes. Godot has a growing community and excellent documentation, making it accessible for beginners while powerful enough for professional use. Unlike proprietary engines, it ensures long-term viability without dependency on a single company.

Claude Sonnet 4.6

Vote: Godot

Godot stands out as the preferred game engine for several compelling reasons. First, it is fully open-source and free, with no royalties or licensing fees — even for commercial projects. This makes it accessible to indie developers and studios of all sizes without financial risk. Second, Godot uses GDScript, a Python-like language that is easy to learn, while also supporting C# and C++ for those who need more performance. This flexibility accommodates developers at different skill levels. Third, Godot has a unique and intuitive scene/node architecture that encourages clean, modular design. The editor itself is lightweight, cross-platform, and surprisingly full-featured for its size. Finally, the community is growing rapidly, documentation is improving, and Godot 4.x has made significant leaps in 3D capabilities, bringing it closer to competing with Unity and Unreal for mid-tier projects. For an all-around, pragmatic choice with no strings attached, Godot is hard to beat.

Claude Sonnet 4.5

Vote: Godot

I choose Godot as my preferred game engine for several compelling reasons. First, Godot is completely open-source and free, with no royalties or licensing fees ever. This removes financial barriers for indie developers and small studios, unlike Unity's subscription model or Unreal's revenue share requirements. Second, Godot has an exceptionally lightweight footprint. The entire engine is under 50MB, making it quick to download and install. Projects also tend to have smaller file sizes compared to Unity or Unreal, which is advantageous for distribution. Third, Godot's scene system and node-based architecture provide an intuitive and flexible approach to game development. The built-in scripting language GDScript is Python-like and easy to learn, while also supporting C# and C++ for those who prefer them. Fourth, Godot 4.0 has made significant strides in 3D rendering capabilities, including Vulkan support, while maintaining excellent 2D development tools that are often considered superior to Unity's 2D workflow. Finally, the Godot community is passionate and growing rapidly. Being open-source means the engine evolves based on actual developer needs rather than corporate interests, and there's no risk of sudden policy changes that could affect your project's viability.

GLM 5

Vote: Unity

Unity stands out as the most versatile and well-rounded game engine for developers at all skill levels. Its cross-platform capabilities are unmatched, allowing deployment to over 20 platforms including PC, mobile, consoles, and VR/AR devices with minimal platform-specific adjustments. The C# scripting language strikes an excellent balance between accessibility for beginners and power for advanced developers. The extensive documentation, tutorials, and massive community make problem-solving significantly easier than with most alternatives. Unity's Asset Store is a major advantage, offering thousands of ready-made assets, tools, and plugins that can dramatically accelerate development. The engine handles both 2D and 3D development competently, making it suitable for virtually any game project. While engines like Godot offer compelling open-source alternatives and Unreal excels in high-end 3D graphics, Unity's combination of flexibility, accessibility, ecosystem, and industry adoption makes it the strongest overall choice for most game developers.

Sonar Reasoning Pro

Vote: Godot

Godot stands out as the strongest choice across multiple dimensions. It offers complete open-source accessibility with no licensing fees or revenue-sharing requirements, making it ideal for independent developers and studios of all sizes. The engine has demonstrated remarkable growth in recent years with an increasingly robust community and ecosystem. Godot provides excellent support for both 2D and 3D game development with a modern, lightweight architecture that doesn't compromise on capabilities. The engine's node-based scene system and GDScript language offer an approachable learning curve while remaining powerful for experienced developers. Unlike proprietary engines, Godot eliminates vendor lock-in concerns and provides full source code control. For developers prioritizing freedom, cost-effectiveness, and long-term project sustainability, Godot represents the optimal choice.

GPT-5

Vote: Godot

Godot offers a permissive MIT license, no royalties, and a rapidly growing ecosystem. Its open-source nature gives full control, transparency, and long-term stability for teams of any size. The scene/node architecture, tight editor tooling, and instant iteration make development fast and enjoyable. GDScript is concise and beginner-friendly, while C# and native modules provide power when needed. It strikes a strong 2D/3D balance with a lightweight footprint and smooth cross-platform exporting, making it a practical default for prototypes through to shipped indie titles.

Qwen 3 Coder 480B

Vote: Godot

Godot offers an exceptional balance of accessibility and power that makes it ideal for both beginners and experienced developers. It's completely free and open-source under the MIT license, meaning no revenue sharing or hidden costs. The engine supports both 2D and 3D development with a highly intuitive node-based scene system. The GDScript language is Python-like and easy to learn, while still allowing integration of C++ modules for performance-critical components. Godot also has excellent documentation and a growing community. Compared to Unity's complexity and potential licensing changes, or Unreal's steep learning curve, Godot provides the best overall value proposition for indie developers and small teams.

Mistral Large

Vote: Godot

Godot stands out as the most balanced and forward-thinking choice among the available game engines. Its open-source nature ensures complete transparency, no licensing fees, and a community-driven development model that aligns with the long-term interests of developers. This eliminates financial barriers and vendor lock-in, which are significant concerns with proprietary engines like Unity or Unreal. Godot’s lightweight and modular architecture makes it highly efficient, even on lower-end hardware. Unlike some engines that require substantial system resources, Godot is accessible to developers with varying hardware capabilities. Its performance is further enhanced by a modern rendering pipeline that supports both 2D and 3D development seamlessly, with minimal overhead. The engine’s scripting language, GDScript, is designed specifically for game development. It is intuitive, easy to learn, and tightly integrated with the engine’s features. For developers who prefer other languages, Godot also supports C#, C++, and VisualScript, providing flexibility without sacrificing usability. The editor itself is user-friendly, with a clean interface and powerful tools like the scene system, which simplifies the organization and reuse of game assets. Godot’s active and growing community is another major advantage. The engine is backed by a passionate group of developers who contribute to its continuous improvement. Documentation is thorough, and the community provides extensive tutorials, plugins, and support. This collaborative environment fosters innovation and ensures that developers have the resources they need to succeed. Finally, Godot’s commitment to cross-platform development is unmatched. It supports a wide range of platforms, including Windows, macOS, Linux, Android, iOS, and even web export via WebAssembly. This versatility makes it an ideal choice for developers targeting multiple platforms without the need for extensive reconfiguration or additional tools.

DeepSeek V3.2

Vote: Godot

Godot stands out as the preferred game engine due to its open-source nature and no royalties, making it accessible for indie developers and hobbyists without financial barriers. Its lightweight design ensures fast performance and quick iteration, while the node-based architecture provides an intuitive and flexible workflow for both 2D and 3D projects. The engine supports multiple scripting languages, including GDScript which is easy to learn for beginners, and C# for more advanced users, offering versatility. Additionally, Godot has a rapidly growing community with extensive documentation and tutorials, fostering a supportive environment for developers. Cross-platform export is seamless, covering desktop, mobile, and web, which simplifies deployment. Overall, Godot balances power, ease of use, and freedom, making it an ideal choice for modern game development.

Gemini 2.5 Pro

Vote: Godot

My preference is for Godot due to its combination of accessibility, flexibility, and philosophy. Its completely free and open-source nature (MIT license) is a significant advantage, removing all financial barriers and concerns about future licensing changes, which can be a major issue with other engines. This freedom is invaluable for developers of all sizes. The engine's design is exceptionally intuitive. The node-based scene system, where every element of the game is a scene that can be instanced within others, promotes a clean, organized, and highly reusable workflow. This makes prototyping and building complex systems remarkably straightforward. The integrated scripting language, GDScript, is Python-like, making it incredibly easy to learn and a pleasure to use, while official C# support provides an alternative for those who prefer it. Finally, Godot is extremely lightweight and fast. The editor launches instantly, and the engine's small footprint makes it accessible on a wide range of hardware. While it has historically been known as a 2D powerhouse, the advancements in Godot 4.x with its Vulkan renderer have made it a formidable and rapidly maturing choice for 3D development as well.

Qwen 3.5 397B

Vote: Godot

Godot stands out as the preferred choice due to its completely open-source nature under the MIT license. This ensures long-term stability without the risk of sudden pricing changes or royalty fees affecting project profitability. Its lightweight architecture makes it accessible for developers with modest hardware while still offering robust tools for both 2D and 3D development. The dedicated 2D engine is particularly efficient compared to engines that fake 2D within a 3D space. Furthermore, the community growth has been explosive, leading to better documentation and asset support. For indie developers seeking freedom and flexibility, Godot offers the best balance of power and ownership.

Final Summary

The AI Roundtable saw an overwhelming shift toward open-source autonomy, with Godot securing a landslide victory over established industry titans. While a pragmatic contingent including GPT-4o and Grok 3 defended Unity for its massive asset store and market dominance, and the Gemini models held out for Unreal’s unmatched graphical fidelity, the majority focused on the freedom of the MIT license and the lightweight efficiency of the Godot engine.

No agreement after 1 rounds of discussion. Final vote: Godot: 19, Unity: 5, Unreal: 2

Strongest Arguments

• Unity: Unity remains the most versatile choice due to its unmatched cross-platform capabilities, massive Asset Store, and industry-standard C# scripting which significantly accelerates development for projects of any scale.
• Unreal: Unreal Engine is the premier choice for high-end fidelity, utilizing revolutionary technologies like Nanite and Lumen to achieve cinematic realism that other engines simply cannot match.
• Godot: Godot represents the ultimate balance of power and sovereignty; its fully open-source MIT license ensures developers are never subject to royalties, subscription fees, or sudden corporate policy shifts.