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When I was building YC's conversational AI, I benchmarked every LLM and inference cloud I could get my hands on. In my head-to-head benchmark, the top performer was GLM-5.2 on Wafer.
wafer_ai@wafer_ai9h ago
@ycombinator built AI versions of its partners to help more people work through their startup ideas. For its Office Hour Simulator, the team needed useful answers delivered quickly enough for a spoken conversation. They had been testing lightweight Gemini and OpenAI models before moving to GLM-5.2 on a dedicated Wafer endpoint. YC then compared that deployment with GPT-4.1 mini on OpenAI and Gemma 4 31B on Cerebras, evaluating answer quality, latency, and conversation duration. The Wafer configuration delivered 31% lower average LLM latency than OpenAI and 44% lower than Cerebras. Users spent 2.5 minutes longer talking to YC’s AI partners when using Wafer. Read how YC built the experience and landed on Wafer 🧵 link in thread
