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Working four-stroke engine cutaway generated for $0.36

Tony benchmarked four models on the same prompt for a working four-stroke engine cutaway. DeepSeek V4.1 Flash produced as clean a cutaway as Claude Opus for $0.36, 60x cheaper.

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DeepSeek V4.1 Flash 1017, Claude Opus 5.5, GPT-6.1 Terra, GPT-6 Astra
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Tony@EnvolDev

DeepSeek V4.1 Flash 1017 just embarrassed everyone. 🤯
Same prompt: a working four-stroke engine cutaway.

DeepSeek V4.1 Flash 1017: $0.36 · 1h 54m 16s
Claude Opus 5.5: $21.81 · 2h 00m 13s
GPT-6.1 Terra: $0.43 · 9m 09s
GPT-6 Astra: $7.33 · 54m 33s

Opus got it right. No surprise there.

But DeepSeek? As good as Claude, maybe the most beautiful one of the four… for 36 cents.

That's 60x cheaper than Opus. This is nuts.

Yes, Terra is fast. But costing more than DeepSeek? That's a joke. 😂

Which one wins for you? 👇

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