Harness comparisonAI Coding

Flying Roadster jumping the Snake River — OpenAI Codex (GPT-6.1 Sol) vs Claude Code (Claude Opus 5.5)

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Posted byRyō@narushima_ · on X
View post on X

3 likes309 views

Scoreboard2

  1. GPT-6.1 SolOpenAIOpenAI Codex
    Time
    15 min
    Cost
    —
  2. Claude Opus 5.5AnthropicClaude Code
    Time
    26 min
    Cost
    $6.00

Prompt

Flying Roadster jumping the Snake RiverThe post doesn’t quote the prompt wording.

Author’s verdict
The poster says Opus nailed the shape, while GPT got every detail right but made it look like a toy. Opus wins round 1.

@narushima_’s view (paraphrased)

GPT-6.1 Sol in Codex and Claude Opus 5.5 in Claude Code get the same prompt and reference photos, zero edits, to build a Roadster that flies over the Snake River and lands on its wheels.

Each side pairs a coding harness with its own model, so harness and model differences are mixed. More Claude Code vs OpenAI Codex. All harness comparisons.

The post, itemised

Task
Flying Roadster jumping the Snake River
Category
3D & Shaders
Mode
Not stated
Posted
Video length
25 s
Likes
3
Views
309
Bookmarks
0
Sponsored
No

Cost & time, as stated in the postAs stated: GPT-6.1 Sol in Codex 15 min; Claude Opus 5.5 in Claude Code 26 min, $6.

Related

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