Claude Opus 5.5 vs GPT-6.1 Sol

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

4 posts486 likes94.9K views

GPT-6.1 Sol vs Claude Opus 5.5 in real side-by-side tests: 4 posts from X where both got the same prompt; 2 posts report cost or time. Judge coding ability from the actual outputs.

Posts

4

Same prompt, separate runs

2

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

Summary

Claude Opus 5.5 and GPT-6.1 Sol appear together in 4 posts on X: 3D lava lamp, 4 models, max thinking (@melvynx), pelican riding a bicycle SVG (@xiangxiang103), floating island in Blender, High effort (@MrTacticalX) and Mario Kart-style racing game (@LuminaBench). 3 of them are part of larger lineups with other models. In @melvynx's 3D lava lamp, 4 models, max thinking, Claude Opus 5.5 was cheaper ($0.54 vs $0.69) and GPT-6.1 Sol was faster (18 min vs 1 h 34 min), as reported in the post. In @MrTacticalX's floating island in Blender, High effort, GPT-6.1 Sol was cheaper ($0.64 vs $9.72) and faster (12 min vs 44 min), as reported in the post. According to @MrTacticalX, Opus 5.5 is on another level; Sol 6.1 did a pretty good job for the price. (The author’s view.)

What each post reports

Claude Opus 5.5 vs GPT-6.1 Sol: cost, time and tokens as stated in each post
PostModelTimeCostTokensAuthor’s verdictOriginal
3D lava lamp, 4 models, max thinking@melvynxClaude Opus 5.51 h 34 min$0.54——X post
3D lava lamp, 4 models, max thinking@melvynxGPT-6.1 Sol18 min$0.69——X post
Pelican riding a bicycle SVG@xiangxiang103GPT-6.1 Sol————X post
Pelican riding a bicycle SVG@xiangxiang103Claude Opus 5.5————X post
Floating island in Blender, High effort@MrTacticalXClaude Opus 5.544 min$9.72—Author’s pickX post
Floating island in Blender, High effort@MrTacticalXGPT-6.1 Sol12 min$0.64——X post
Mario Kart-style racing game@LuminaBenchClaude Opus 5.5————X post
Mario Kart-style racing game@LuminaBenchGPT-6.1 Sol————X post

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

Who won where

1

Prompts shown in the posts

build a 3D lava lamp — @melvynx
build a Minecraft-style floating island from scratch in Blender — @MrTacticalX

Models

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