Harness comparisonAI Coding

3D volcano island, Astra vs Argon vs Opus — OpenAI Codex (GPT-6 Astra) vs Pi (Gemini 4 Argon) vs Claude Code (Claude Opus 5.5)

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Posted byAgentSky@agentsky_dev · on X
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Scoreboard3

  1. GPT-6 AstraOpenAIOpenAI Codex
    Time
    3.9 min
    Cost
    $0.47
  2. Time
    4.7 min
    Cost
    $0.44
  3. Claude Opus 5.5AnthropicClaude Code
    Time
    11.4 min
    Cost
    $1.71

Prompt

3D volcano island, Astra vs Argon vs OpusThe post doesn’t quote the prompt wording.

GPT-6 Astra in Codex, Gemini 4 Argon in pi and Claude Opus 5.5 in Claude Code get one real task after the index reshuffle: a 3D volcano island.

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

The post, itemised

Task
3D volcano island, Astra vs Argon vs Opus
Category
3D & Shaders
Mode
Not stated
Posted
Video length
15 s
Likes
2
Views
83
Bookmarks
0
Sponsored
No

Cost & time, as stated in the postAs stated: Astra 3 min 51 s, $0.47; Argon 4 min 40 s, $0.44; Opus 5.5 11 min 27 s, $1.71.

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