I tried to fire my LLM API. Open models passed one task and failed the other.

说明与用途

Open‑Switch 通过本地评估，判断开源模型是否能替代闭源 LLM API，并提供统计学支持的结论与 LoRA 经济性分析。

问题

Determine if an open-weight model can safely replace a closed LLM API for a specific business workflow.

结果

Open‑Switch confirmed Qwen 2.5 7B + LoRA as a safe switch for support triage (90.0% [80, 98]) and identified Gemma 2 2B as unsafe for banking intent (41.2% [27.5, 54.9]).

工作流

• Clone the Open‑Switch repo
• Install dependencies
• Run Open‑Switch with desired models and task file
• Review the Safe Switch or No Safe Switch verdict and LoRA break‑even analysis

证据

Open‑Switch answers one question: can an open model replace your closed LLM API on YOUR data?

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It runs your workflow through open-weight models, scores them with bootstrap 95% CIs, and gives a verdict: Safe Switch or No Safe Switch.

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The tool says "no" when the answer is no. That's the point.

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Support triage – Qwen 2.5 7B + LoRA – 90.0% [80, 98] – ✅ Safe switch, 85% cheaper

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Banking intent – Gemma 2 2B – 41.2% [27.5, 54.9] – ❌ Not safe

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