Gemma 4 26BA4B achieves perfect multilingual tool-calling performance in self-hosted voice assistant testing

User reports Gemma 4 26BA4B as first model to achieve 100% success rate in multilingual tool-calling tests across English, German, and Japanese

Custom voice assistant built on N8N platform handles dynamic language switching with context-aware prompts and tool descriptions for each language

Setup utilizes 68GB VRAM (dual 3090 + 20GB 3080 GPUs) running mixture-of-experts models to minimize latency

Previous models tested including Qwen Next, GPTOSS, and GLM AIR failed to match Gemma 4's multilingual performance across all three languages