Claude Opus 5 vs Kimi K3
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Claude Opus 5 vs Kimi K3 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
1Same prompt, separate runs
3Not a controlled comparison: prompts, tools and time differ.
Summary
Claude Opus 5 and Kimi K3 appear together in 1 post on X: No Man's Sky from scratch, 4 models (@remakebench). It is part of larger lineups with other models. In @remakebench's No Man's Sky from scratch, 4 models, Kimi K3 was cheaper ($15.58 vs $133.83) and faster (2 h 23 min vs 2 h 32 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Original |
|---|---|---|---|---|---|
| No Man's Sky from scratch, 4 models@remakebench | Claude Opus 5 | 2 h 32 min | $133.83 | — | X post |
| No Man's Sky from scratch, 4 models@remakebench | Kimi K3 | 2 h 23 min | $15.58 | — | X post |
Only numbers stated in each post. “—” means the post doesn’t say.