Kimi K3.1 ProvsKimi K3

Kimi K3.1 Pro leads the overall Podium Score by 10.9 points (94.2 vs 83.3).Category wins: Kimi K3.1 Pro 6 — 1 Kimi K3.Kimi K3 is the cheaper pick ($15/M vs $20/M per 1M output tokens). Kimi K3.1 Pro is faster (45 t/s vs 37 t/s).

Open in Compare Tool →View Kimi K3.1 ProView Kimi K3
Kimi K3.1 ProDrag slider or hover to compareKimi K3
Kimi K3
83.3
Coding: 61.5 · Speed: 37 t/s
Output Price: $15/M
Kimi K3.1 Pro
94.2
Coding: 72.0 · Speed: 45 t/s
Output Price: $20/M
Quick VerdictAggregated 2026 Benchmark Analysis

Kimi K3.1 Pro is rated higher overall with a Podium Score of 94.2 (vs 83.3 for Kimi K3). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 6 of 7 benchmark categories.

Coding & Engineering
Kimi K3.1 Pro (72.0)
Inference Speed
Kimi K3.1 Pro (45 t/s)
Cost Efficiency
Kimi K3 ($15/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — Kimi K3 $3/M · $15/M

Choose Kimi K3.1 Pro for long documents and large codebases, and Kimi K3 for autonomous agents and tool use.

MetricKimi K3.1 ProKimi K3
Podium Score94.2 ▲83.3
Arena Elo1490 ▲1485
Intelligence Index68.0 ▲57.0
Coding72.0 ▲61.5
Math95.0 ▲70.9
Reasoning98.0 ▲86.5
Agentic82.0100.0 ▲
Knowledge45.0 ▲19.7
Multimodal96.0 ▲83.5
Long-context100.0 ▲99.2
Output speed45 t/s ▲37 t/s
Output price$20/M$15/M ▲
Context window1000K1000K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K3.1 Pro vs Claude Mythos · Kimi K3.1 Pro vs Claude 5.5 Sonnet · Kimi K3.1 Pro vs Eleven Multilingual v3 · Kimi K3.1 Pro vs FLUX.2 Pro
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