Claude Opus 5 (Xhigh) vs Kimi K3.1 Pro
Which is better for the money: Claude Opus 5 (Xhigh) by Anthropic or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs Claude Opus 5 (Xhigh): 10.9% more intelligence, 46.9% less cost to run the AA benchmark, and 20.8% slower end-to-end.
| Metric | Claude Opus 5 (Xhigh) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.7 | 55.1 | +10.9% Kimi K3.1 Pro is 10.9% more intelligent |
| Total AA cost (lower is better) | $5,867.76 | $3,117.31 | −46.9% Kimi K3.1 Pro is 46.9% cheaper |
| End-to-end time (lower is better) | 35.31s | 42.64s | +20.8% Kimi K3.1 Pro is 20.8% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Claude Opus 5 (Xhigh)Kimi K3.1 ProToday's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-xhigh/kimi-k3-1-pro · Markdown: /api/v1/compare/claude-opus-5-xhigh/kimi-k3-1-pro?format=md · llms.txt · agent skill