Kimi K3.1 ProvsGemini 3.1 Pro Preview
Kimi K3.1 Pro leads the overall Podium Score by 3.4 points (94.2 vs 90.8).Category wins: Kimi K3.1 Pro 4 — 2 Gemini 3.1 Pro Preview.Gemini 3.1 Pro Preview is the cheaper pick ($5/M vs $20/M per 1M output tokens). Gemini 3.1 Pro Preview is faster (105 t/s vs 45 t/s).
Kimi K3.1 ProDrag slider or hover to compareGemini 3.1 Pro Preview
Quick VerdictAggregated 2026 Benchmark Analysis
Kimi K3.1 Pro is rated higher overall with a Podium Score of 94.2 (vs 90.8 for Gemini 3.1 Pro Preview). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 4 of 7 benchmark categories.
Coding & Engineering
Gemini 3.1 Pro Preview (85.5)
Inference Speed
Gemini 3.1 Pro Preview (105 t/s)
Cost Efficiency
Gemini 3.1 Pro Preview ($5/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — Gemini 3.1 Pro $1.25/M · $5/M
Choose Kimi K3.1 Pro for long documents and large codebases, and Gemini 3.1 Pro Preview for knowledge and factual QA.
| Metric | Kimi K3.1 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| Podium Score | 94.2 ▲ | 90.8 |
| Arena Elo | 1490 ▲ | 1465 |
| Intelligence Index | 68.0 | 91.0 ▲ |
| Coding | 72.0 | 85.5 ▲ |
| Math | 95.0 ▲ | 89.0 |
| Reasoning | 98.0 ▲ | 91.0 |
| Agentic | 82.0 | 82.0 |
| Knowledge | 45.0 | 88.0 ▲ |
| Multimodal | 96.0 ▲ | 94.0 |
| Long-context | 100.0 ▲ | 96.0 |
| Output speed | 45 t/s | 105 t/s ▲ |
| Output price | $20/M | $5/M ▲ |
| Context window | 1000K | 1000K |
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