GPT-5 (Medium) vs Kimi K2.5 (Reasoning)
GPT-5 (Medium) vs Kimi K2.5 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
Verdict
Comparison incomplete
A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
| Metric | GPT-5 (Medium) | Kimi K2.5 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.9 | 23.5 | +2.6% Kimi K2.5 (Reasoning) is 2.6% more intelligent |
| Total AA cost (lower is better) | Not reported | Not reported | — not comparable |
| End-to-end time (lower is better) | 27.13s | 44.11s | +62.6% Kimi K2.5 (Reasoning) is 62.6% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $0.60 / $3.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-medium/kimi-k2-5 · Markdown: /api/v1/compare/gpt-5-medium/kimi-k2-5?format=md · llms.txt · agent skill