Open Source AI Showdown 2026: Llama 4 vs Gemma 4 vs DeepSeek V4 vs GLM-5.1
Dev.to AI
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Generative AI
Open Source AI
GLM-5.1 scored on SWE-Bench Pro, ahead of Claude Opus 4.6 and GPT-5.4. And it's free under MIT license. As of April 2026, four open-source LLMs stand out. Here's how they compare.