Best AI Models for Agentic Vibe Coding in VS Code (December 2025)
The article covers the author's experience with different AI models for coding tasks in VS Code, including Claude Opus 4.5, Claude Sonnet 4.5, GPT-5.2, and Gemini 3 Pro.
Why it matters
The article provides practical insights into the strengths and use cases of different AI models for coding tasks, which can help developers optimize their workflow and productivity.
Key Points
- 1Claude Opus 4.5 is best for large features, multi-file refactors, and end-to-end implementation with minimal supervision
- 2Claude Sonnet 4.5 is good for small fixes, UI tweaks, code reviews, and changelog/summary generation
- 3GPT-5.2 excels at planning, architecture, stack decisions, data modeling, and development plans
- 4Gemini 3 Pro is strong for backend logic and authentication, but weaker for complex UI work
Details
The article discusses the author's hands-on experience using various AI models for coding tasks in VS Code. Claude Opus 4.5 is highlighted as the best model for large, multi-file projects due to its clean, focused code and ability to work with minimal supervision. Claude Sonnet 4.5 is recommended for smaller tasks like UI tweaks and code reviews, providing a good balance of speed, quality, and cost. GPT-5.2 is praised for its strengths in planning, architecture, and development plans, though the author notes it can be less reliable for direct coding compared to Opus 4.5. Gemini 3 Pro is described as a strong backend-focused model, but weaker for complex UI work.
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