Kimi K2.6 (Reasoning) vs Solar Pro 4
Which is better for the money: Kimi K2.6 (Reasoning) by Kimi or Solar Pro 4 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Kimi K2.6 (Reasoning) scores 0.4 points higher (27.0 vs 26.6) but costs 2.1× as much to run the benchmark ($1528 vs $737; both premium class). Pick Kimi K2.6 (Reasoning) when the extra intelligence is worth the premium, otherwise Solar Pro 4.
| Metric | Kimi K2.6 (Reasoning) | Solar Pro 4 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 27.0 | 26.6 | −1.5% Solar Pro 4 is 1.5% less intelligent |
| Total AA cost (lower is better) | $1,528.20 | $736.82 | −51.8% Solar Pro 4 is 51.8% cheaper |
| End-to-end time (lower is better) | 65.20s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.95 / $4.00 | $0.30 / $1.20 | |
| Input modalities | Text, Image, Video | Text |
Solar Pro 4 vs Kimi K2.6 (Reasoning): 1.5% less intelligence, 51.8% less cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Solar Pro 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Kimi K2.6 (Reasoning)Solar Pro 4Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/kimi-k2-6/solar-pro4 · Markdown: /api/v1/compare/kimi-k2-6/solar-pro4?format=md · llms.txt · agent skill