# Karpathy 用 Claude Opus 5 将《指环王》段落转为 3D 场景

- 来源：The Decoder：AI News（RSS）
- 作者：Maximilian Schreiner
- 发布时间：2026-08-03 20:07
- AIHOT 分数：42
- AIHOT 链接：https://aihot.virxact.com/items/cmsd7kiwb13iuroeubb79rr2d
- 原文链接：https://the-decoder.com/unicorn-pelican-middle-earth-openai-co-founder-karpathy-is-looking-for-the-next-ai-vibe-test

## AI 摘要

Andrej Karpathy 让 Claude Opus 5 将《指环王》开头一段文字转化为 3D 浏览器场景，生成 5,500 行代码，耗时约两小时，花费约 10 美元。模型自主放置和动画化物体，但因只能通过截图检查视频输出而出现错误。Karpathy 认为这展示了按需生成廉价定制游戏世界的潜力，并称鹈鹕测试已接近上限，此类结果更多是氛围测试而非硬性基准。

## 正文

Karpathy

Key Points

Andrej Karpathy had the AI model Claude Opus 5 turn a single paragraph of "Lord of the Rings" into a 3D browser scene, generating 5,500 lines of code in about two hours.

The whole thing cost roughly ten dollars. The model placed and animated objects on its own but made mistakes because it could only check its own video output through screenshots.

For Karpathy, who works at Anthropic, the test shows the potential for cheap, custom game worlds built on demand. He considers the result more of a vibe check than a hard benchmark, though.

One paragraph of "Lord of the Rings" in, 5,500 lines of code out. Andrej Karpathy had Claude Opus 5 turn Tolkien's opening into a 3D browser scene.

The model worked for about two hours, had a budget of one million tokens (roughly $10), and rendered everything in Three.js, a graphics library for 3D in the browser. Karpathy posted the source code online so others can play back and modify the scene.

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Karpathy's argument is that the well-known pelican test is close to maxed out. Simon Willison's fun benchmark asks a model to draw an SVG of a pelican riding a bicycle, a prompt chosen to be absurd enough that the subject wouldn't already exist in training data. The idea goes back further. In 2023, Microsoft had GPT-4 draw a unicorn in TikZ as part of its Sparks of AGI paper and pointed to it as evidence of spatial reasoning. GPT-4 at the time was trained on text data only, unlike the multimodal models that now power every major chatbot.

Karpathy calls the result rough but fun. Eleven Labs provided the audio, while the model placed and animated objects on its own. Nobody would build worlds like this by hand, Karpathy says, but with a model it's nearly free. He sees potential for on-demand game worlds where users could be dropped in as side characters or protagonists.

One problem remains. The model can't watch its own video output and had to rely on screenshots instead, which led to errors. Other users are having Opus 5 write entire browser games, from first-person shooters to Minecraft clones. None of this produces hard benchmarks. They're vibe checks.

Karpathy co-founded OpenAI and served as head of AI at Tesla. He later ran the education startup Eureka Labs and has been working on pre-training research at Anthropic since May 2026.

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