Quality Comparison (Rough Rankings)

Tier 1 - Frontier Models:

Claude Code 3.7 - Excellent reasoning, context understanding, complex refactoring

GPT-4o with o3 - Outstanding at complex logic, multi-step planning

Aider + Gemini 2.5 - Very strong code generation and modification

Tier 2 - Good Local Models:

CodeLlama 70B - Decent but requires significant hardware

Llama 3.2 70B - Good general reasoning, okay at code

Tier 3 - Practical Local Models:

CodeLlama 13B - Basic code understanding, simple tasks

Llama 3.2 7B/13B - Limited coding ability, frequent errors

Tier 4 - Fast Local Models:

Llama 3.2 3B - Very basic, often produces buggy code