Grok 4.5 (High) vs Kimi K2.6 (Reasoning)
Which is better for the money: Grok 4.5 (High) by SpaceXAI or Kimi K2.6 (Reasoning) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Grok 4.5 (High)
Kimi K2.6 (Reasoning) vs Grok 4.5 (High): 30.4% less intelligence, 22.9% more cost to run the AA benchmark, and 195.7% slower end-to-end.
| Metric | Grok 4.5 (High) | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.8 | 27.0 | −30.4% Kimi K2.6 (Reasoning) is 30.4% less intelligent |
| Total AA cost (lower is better) | $1,243.85 | $1,528.20 | +22.9% Kimi K2.6 (Reasoning) is 22.9% more expensive |
| End-to-end time (lower is better) | 19.24s | 56.90s | +195.7% Kimi K2.6 (Reasoning) is 195.7% slower |
| Price per 1M tokens (in / out) | $2.00 / $6.00 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Today's Pareto frontier
Against the frontier
- Grok 4.5 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Grok 4.5 (High)Kimi K2.6 (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-5/kimi-k2-6 · Markdown: /api/v1/compare/grok-4-5/kimi-k2-6?format=md · llms.txt · agent skill