DeepSeek-v4 has a comical 384K max output capability

Reddit r/LocalLLaMA / 4/24/2026

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Key Points

  • A user reaction posted online claims DeepSeek-v4 supports a remarkably high maximum output capacity of 384K tokens.
  • The commenter reports testing the model by asking it to generate a comprehensive single-file HTML “web OS,” and says it produced a ~100KB HTML result.
  • The post emphasizes surprise at the spec and the model’s ability to output large, complex content in a single response.
  • No official benchmarks, methodology, or confirmatory technical details are provided in the excerpt beyond the user’s anecdotal test and screenshot.
DeepSeek-v4 has a comical 384K max output capability

was shocked when saw that spec, immediatly went to the website and asked it to make a comprehensive single-html-web-OS
and it indeed generated a single 100KB html for me...I'm speechless.

https://preview.redd.it/6zcbzbkvj3xg1.png?width=2878&format=png&auto=webp&s=6279909b483b7b32e7c41172898a0399a3390334

submitted by /u/zsydeepsky
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