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A leveled map of 149 GenAI tools — sorted by concept depth, not hype
149个GenAI工具按概念深度分层，帮你从ChatGPT一路学到FlashAttention，避开纯 hype 的无效链接。
Most "AI tools" lists are a wall of 500 links sorted by… nothing. A beginner and a distributed-systems engineer open the same undifferentiated pile an…