Claude Opus 5 (High) vs Kimi K3.1 Pro
Which is better for the money: Claude Opus 5 (High) by Anthropic or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs Claude Opus 5 (High): 14.6% more intelligence, 28.0% less cost to run the AA benchmark, and 100.9% slower end-to-end.
| Metric | Claude Opus 5 (High) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 48.1 | 55.1 | +14.6% Kimi K3.1 Pro is 14.6% more intelligent |
| Total AA cost (lower is better) | $4,331.68 | $3,117.31 | −28.0% Kimi K3.1 Pro is 28.0% cheaper |
| End-to-end time (lower is better) | 24.66s | 49.55s | +100.9% Kimi K3.1 Pro is 100.9% 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 (High) 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 (High)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-high/kimi-k3-1-pro · Markdown: /api/v1/compare/claude-opus-5-high/kimi-k3-1-pro?format=md · llms.txt · agent skill