Gemini 4 Pro vs GPT-6 Astra

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Gemini 4 Pro vs GPT-6 Astra in real side-by-side tests: 3 posts from X where both got the same prompt. Judge coding ability from the actual outputs.

Posts

3

Same prompt, separate runs

1

Not a controlled comparison: prompts, tools and time differ.

Summary

Gemini 4 Pro and GPT-6 Astra appear together in 3 posts on X: mechanical bee, 4 models (@thtbee_), mechanical butterfly, two models (@sopersone) and mechanical butterfly in Three.js (@karankendre). 1 of them are part of larger lineups with other models. None of these posts report cost or time per model.

What each post reports

Gemini 4 Pro vs GPT-6 Astra: cost, time and tokens as stated in each post
PostModelTimeCostTokensOriginal
Mechanical bee, 4 models@thtbee_Gemini 4 Pro———X post
Mechanical bee, 4 models@thtbee_GPT-6 Astra———X post
Mechanical butterfly, two models@sopersoneGPT-6 Astra———X post
Mechanical butterfly, two models@sopersoneGemini 4 Pro———X post
Mechanical butterfly in Three.js@karankendreGPT-6 Astra———X post
Mechanical butterfly in Three.js@karankendreGemini 4 Pro———X post

Only numbers stated in each post. “—” means the post doesn’t say.

Models

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