Grok 4.3 (Non-reasoning) vs Kimi K3.1 Pro
Which is better for the money: Grok 4.3 (Non-reasoning) by SpaceXAI 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.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 41.1 points higher (55.1 vs 14.0) but costs 12× as much to run the benchmark ($3117 vs $250; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 14.0, and Grok 4.3 (Non-reasoning) when 14.0 is enough.
| Metric | Grok 4.3 (Non-reasoning) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 14.0 | 55.1 | +293.6% Kimi K3.1 Pro is 3.9× more intelligent |
| Total AA cost (lower is better) | $250.37 | $3,117.31 | +1145.1% Kimi K3.1 Pro is 12× more expensive |
| End-to-end time (lower is better) | 5.89s | 49.55s | +741.3% Kimi K3.1 Pro is 741.3% slower |
| Price per 1M tokens (in / out) | $1.25 / $2.50 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3.1 Pro vs Grok 4.3 (Non-reasoning): 293.6% more intelligence, 1145.1% more cost to run the AA benchmark, and 741.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.3 (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Grok 4.3 (Non-reasoning)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/grok-4-3-non-reasoning/kimi-k3-1-pro · Markdown: /api/v1/compare/grok-4-3-non-reasoning/kimi-k3-1-pro?format=md · llms.txt · agent skill