Claude 4.5 Sonnet? NEW Agentic Coding Stealth Model Is REALLY FAST + Powerful! (Fully Free)

Key Concepts

• Code Supernova: A new stealth agentic coding model.
• Agentic Coding Model: An AI model designed to autonomously generate and manage code.
• Multimodal: Ability to process different types of data, such as images and text.
• Context Window: The amount of information a model can consider when generating output (200k tokens for Code Supernova).
• Kilo Code, Windsurf, Cursor: AI coding agents that provide access to Code Supernova.
• KD Flows: An AI-powered design platform.
• Nano Banana: An AI model powering KD Flows.
• Grok, Claude 4.5: Potential origins or related models to Code Supernova.
• Rainarmm: Another stealth model potentially related to Claude 4.5.

Code Supernova: A New Stealth Coding Model

The video introduces Code Supernova, a new and impressive stealth agentic coding model. Key features include:

• Versatility: It's a versatile model capable of handling various coding tasks.
• Image Input: It supports image inputs, enabling multimodal applications.
• Large Context Window: It boasts a massive 200k context window, allowing it to process and understand large codebases or complex instructions.
• Free Access: Currently accessible for free through platforms like Windsurf, Kilo Code, and Cursor.
• Alpha Testing: Undergoing alpha testing across these platforms.

Speculations on Origin and Capabilities

• Potential Origins: Some speculate it's an iteration of Grok 4 coder or a variation of Anthropic's Claude 4.5, but this is currently uncertain. Similar system prompts suggest a possible connection to Anthropic.
• Speed and Reasoning: The model is noted for its speed and built-in reasoning capabilities.
• Example: VS Code Clone: The video demonstrates Code Supernova's capabilities by prompting it to create a VS Code clone. The model successfully generates a functional code editor similar to VS Code rapidly.

Accessing and Using Code Supernova

• Access Methods: The model can be accessed for free through various AI agents like Windsurf, Kilo Code, and Cursor.
• Kilo Code Example: The video demonstrates accessing Code Supernova through the Kilo Code extension in VS Code. Users need to select Kilo Code as the model provider and then choose Code Supernova as the model.
• Image Processing Example: The video showcases the model's ability to process images by providing a wireframe of a website and asking Code Supernova to generate a website based on it.
• Wireframe to Website: The model successfully creates a landing page based on the wireframe, adding animations and maintaining the main structure. It attempts to follow the font and replicates elements like product cards and categories.
• Front-End Limitations: While decent, the model's front-end development capabilities are not the best.

KD Flows: AI-Powered Design Platform (Sponsored Segment)

The video includes a sponsored segment for KD Flows, an AI-powered design platform.

• Nano Banana Integration: The Nano Banana model powers KD Flows, enabling fast and precise generation of logos, graphics, and typography.
• Unlimited Access: Nano Banana will be unlimited for all pro and expert users between September 29th and October 3rd.
• ChatGPT Integration: KD Flows features full ChatGPT integration for brainstorming, prompt refinement, and idea generation.
• AI Design Bundles: AI design bundles provide curated prompts and images for various design needs.
• Key Features: KD Flows allows users to refine styles, mix fonts, and perfect details quickly.
• Offer: A 25% discount on the first pro month is offered using a code in the description.

Other Stealth Models and Comparisons

• Ella Marina Webdev Arena: The video mentions testing other stealth models on Ella Marina, a web development arena.
• Rainarmm Model: A model called Rainarmm was tested and produced impressive generations, potentially a variation of Claude 4.5 Sonnet.
• Gmail Clone Example: Rainarmm was used to create a web-based email service like Gmail, hinting at its capabilities.
• Root Code Examples: The video shows examples generated using Code Supernova on Root Code, including a butterfly and a controller.
• Butterfly Generation: The butterfly generation is considered impressive due to its symmetry and refined look.
• Controller Generation: The controller generation is less successful, with the output not fully resembling a controller and having animation issues.
• Speed vs. Tool Calling: Code Supernova excels in coding speed and prototyping but may have issues with tool calling.

Crypto App Dashboard Example

• Dashboard Generation: Code Supernova was used to generate a basic dashboard for a crypto app with features like trading, portfolio, and an AI assistant.
• Quality Concerns: The generated dashboard is considered to be of low quality and looks like a "tacky AI-generated app."
• Prototyping Tool: The model is better suited for prototyping than generating high-quality final products.

Conclusion and Recommendations

• Overall Assessment: Code Supernova is considered decent in terms of output and better than the Grok fast code model.
• Limited-Time Access: The model is expected to be taken down within a few days, so users are encouraged to make the most of it through the available AI agents.
• Key Strengths: The model's strengths include its large context window, speed, and decent output.
• Call to Action: The video encourages viewers to subscribe to the newsletter, join the Discord, follow on Twitter, and watch previous videos.