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I Built a Zero-Markup AI API Gateway - 18 Models at Provider Cost (opens in new tab)

The Problem Every AI API gateway I tried added an invisible margin. OpenRouter, the biggest player, quietly marks up every model. You pay more than the provider charges, and you don't even know how much. The Solution I built aipossword.cn — an open-source AI API gateway with zero markup pricing. 18 models across DeepSeek, Claude, Qwen Zero markup — you pay exactly what providers charge One endpoint — OpenAI compatible, one line code change Open source — AGPLv3, built on New API (18k+ GitHub s...

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