Kimi K3.1 Pro vs Beam 1.0
Which is better for the money: Kimi K3.1 Pro by Kimi or Beam 1.0 by Reflection? 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 24.8 points higher (55.1 vs 30.3) but costs 9.8× as much to run the benchmark ($3117 vs $319; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 30.3, and Beam 1.0 when 30.3 is enough.
| Metric | Kimi K3.1 Pro | Beam 1.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 55.1 | 30.3 | −45.0% Beam 1.0 is 45.0% less intelligent |
| Total AA cost (lower is better) | $3,117.31 | $318.73 | −89.8% Beam 1.0 is 89.8% cheaper |
| End-to-end time (lower is better) | 44.78s | 7.79s | −82.6% Beam 1.0 is 82.6% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.40 / $1.20 | |
| Input modalities | Text, Image | Text |
Beam 1.0 vs Kimi K3.1 Pro: 45.0% less intelligence, 89.8% less cost to run the AA benchmark, and 82.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
- Beam 1.0 is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Kimi K3.1 ProBeam 1.0Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/kimi-k3-1-pro/reflection-beam · Markdown: /api/v1/compare/kimi-k3-1-pro/reflection-beam?format=md · llms.txt · agent skill