Claude Opus 4.1 vs GPT-5
1 post1,218 likes195.4K views
Claude Opus 4.1 vs GPT-5 in real side-by-side tests: 1 post from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Posts
1Summary
Claude Opus 4.1 and GPT-5 appear together in 1 post on X: next.js customer feedback app (@iannuttall). In @iannuttall's next.js customer feedback app, Claude Opus 4.1 used fewer tokens (33K tokens vs 102K tokens), as reported in the post. @iannuttall wrote: “Opus is still the more capable model out of the box and Claude Code is the more complete CLI product”. (The author’s view.)
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Original |
|---|---|---|---|---|---|---|
| Next.js customer feedback app@iannuttall | Claude Opus 4.1 | — | — | 33,000 | Author’s pick | X post |
| Next.js customer feedback app@iannuttall | GPT-5 | — | — | 102,000 | — | X post |
| Next.js customer feedback app@iannuttall | GPT-5 | — | — | 188,000 | — | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Who won where
1- Next.js customer feedback app“Opus is still the more capable model out of the box and Claude Code is the more complete CLI product”— the author’s view, @iannuttall