Grok 4.5 (high) vs Kimi K2.7 Code
Which is better for the money: Grok 4.5 (high) by SpaceXAI or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-09.
Trade-off
Verdict
Depends on your budget
Grok 4.5 (high) scores 12.8 points higher (39.1 vs 26.3) but costs 1.4× as much to run the benchmark ($1404 vs $993; both premium class). Pick Grok 4.5 (high) when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Grok 4.5 (high) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.1 | 26.3 | −32.7% Kimi K2.7 Code is 32.7% less intelligent |
| Total AA cost (lower is better) | $1,403.78 | $992.88 | −29.3% Kimi K2.7 Code is 29.3% cheaper |
| End-to-end time (lower is better) | 18.47s | 41.22s | +123.2% Kimi K2.7 Code is 123.2% slower |
| Price per 1M tokens (in / out) | $2.00 / $6.00 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs Grok 4.5 (high): 32.7% less intelligence, 29.3% less cost to run the AA benchmark, and 123.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.5 (high) is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
Grok 4.5 (high)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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