Claude Sonnet 5.5 vs GPT-6.1 Sol

Also compared as: gpt 6.1 sol vs sonnet 5.5 · sonnet 5.5 vs sol 6.1

2 posts846 likes166.1K views

Claude Sonnet 5.5 vs GPT-6.1 Sol in real side-by-side tests: 2 posts from X where both got the same prompt. Judge coding ability from the actual outputs.

Posts

2

Same prompt, separate runs

2

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

Summary

Claude Sonnet 5.5 and GPT-6.1 Sol appear together in 2 posts on X: Mario Kart-style racing game (@LuminaBench) and lava lamp, 3 models (@bridgebench). All are part of larger lineups with other models. None of these posts report cost or time per model. According to @LuminaBench, Claude Sonnet 5.5 looks the best of the four. (The author’s view.) According to @bridgebench, Claude Sonnet 5.5 and GPT-6.1 Sol nailed it; Kimi K3 couldn't render a lava lamp. (The author’s view.)

What each post reports

Claude Sonnet 5.5 vs GPT-6.1 Sol: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictOriginal
Mario Kart-style racing game@LuminaBenchClaude Sonnet 5.5———Author’s pickX post
Mario Kart-style racing game@LuminaBenchGPT-6.1 Sol————X post
Lava lamp, 3 models@bridgebenchClaude Sonnet 5.5———Claude Sonnet 5.5 and GPT-6.1 Sol nailed it; Kimi K3 couldn't render a lava lampX post
Lava lamp, 3 models@bridgebenchGPT-6.1 Sol———Claude Sonnet 5.5 and GPT-6.1 Sol nailed it; Kimi K3 couldn't render a lava lampX post

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

Who won where

2

Prompts shown in the posts

build a lava lamp — @bridgebench

Models

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