Best Open Source LLMs to Replace Claude Sonnet 4.5: Affordable AI Coding Alternatives 2026
Discover the top 5 open source language models that can replace Claude Sonnet 4.5 for coding tasks at a fraction of the cost: GLM-4.7, Kimi K2-0905, Qwen-Max, MiniMax M2.1, and Devstral 2.