@akokoi1: The first skill of this AI teaching tool, "3D Geometry Problem Solving," has been released, supporting text-based problem solving, image-based problem solving, and random question generation. After testing mainstream models, deepseek-v4-pro offers the best cost-performance ratio at 0.2-0.3 yuan per question, with accuracy on some questions even surpassing GPT5.5.
Summary
The first skill of the AI teaching tool, "3D Geometry Problem Solving," has been released, supporting text-based problem solving, image-based problem solving, and random question generation. Tests show that deepseek-v4-pro offers high cost-performance, with accuracy on some questions even surpassing GPT5.5.
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Cached at: 06/05/26, 09:10 AM
This AI teaching tool’s first Skill, “Solid Geometry Problem Solving”, has been released, supporting text-based problem solving, image-based problem solving, and random question generation.
Tested a round of mainstream models — deepseek-v4-pro offers the best cost-effectiveness, at 0.2–0.3 yuan per query, and its accuracy on some problems even surpasses GPT-5.5. https://t.co/POt6y0wj6Z
WY (@akokoi1): An AI teaching tool I built earlier — decided to stop operating it and closed the top-up channel. Next, I’ll optimize the core features and open-source them as Skills.
For building products in China, the best free promotion platform is still Xiaohongshu (RED) — it has long-tail traffic and high conversion rates.
There are also ways to accept personal payments domestically — it’s not that complicated. There are many payment platforms.
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