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Personal site cover, same harness — Kimi K3.1 Pro vs GPT-6 Astra vs Claude Opus 5.5

0:00 / 0:20
Posted byjack@jackyang · on X
View post on X

2 likes43 views

Scoreboard3

  1. Kimi K3.1 ProMoonshot AI
  2. GPT-6 AstraOpenAI
  3. Claude Opus 5.5Anthropic
    Author’s pick

Prompt

Personal site cover, same harnessThe post doesn’t quote the prompt wording.

Author’s verdict
The poster picks Claude Opus 5.5; Kimi K3.1 Pro is good but plays it safe, and GPT-6 Astra is good but too abstract.

@jackyang’s view (paraphrased)

Kimi K3.1 Pro, GPT-6 Astra and Claude Opus 5.5 each design a personal site cover from the same prompt, in the same harness (T3 Code), high reasoning, one shot each.

The post, itemised

Kind
Side-by-side
Task
Personal site cover, same harness
Category
Web/UI
Mode
Not stated
Posted
Video length
20 s
Likes
2
Views
43
Bookmarks
0
Sponsored
No

Related

Kimi K3.1 ProGPT-6 AstraClaude Opus 5.5Compare all 3 modelsClaude Opus 5.5 vs GPT-6 AstraClaude Opus 5.5 vs Kimi K3.1 ProGPT-6 Astra vs Kimi K3.1 Pro

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