Kimi K3.1 ProvsStep Audio 2
Kimi K3.1 Pro leads the overall Podium Score by 5.2 points (94.2 vs 89.0).Category wins: Kimi K3.1 Pro 6 — 1 Step Audio 2.Step Audio 2 is the cheaper pick ($0.024/M vs $20/M per 1M output tokens). Step Audio 2 is faster (150 t/s vs 45 t/s).
Kimi K3.1 ProDrag slider or hover to compareStep Audio 2
Quick VerdictAggregated 2026 Benchmark Analysis
Kimi K3.1 Pro is rated higher overall with a Podium Score of 94.2 (vs 89.0 for Step Audio 2). 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
Step Audio 2 (150 t/s)
Cost Efficiency
Step Audio 2 ($0.024/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — Step Audio 2 $0.012/M · $0.024/M
Choose Kimi K3.1 Pro for long documents and large codebases, and Step Audio 2 for knowledge and factual QA.
| Metric | Kimi K3.1 Pro | Step Audio 2 |
|---|---|---|
| Podium Score | 94.2 ▲ | 89.0 |
| Arena Elo | 1490 ▲ | 1422 |
| Intelligence Index | 68.0 | 89.0 ▲ |
| Coding | 72.0 ▲ | 0.0 |
| Math | 95.0 ▲ | 0.0 |
| Reasoning | 98.0 ▲ | 32.0 |
| Agentic | 82.0 ▲ | 55.0 |
| Knowledge | 45.0 | 46.0 ▲ |
| Multimodal | 96.0 ▲ | 85.0 |
| Long-context | 100.0 ▲ | 45.0 |
| Output speed | 45 t/s | 150 t/s ▲ |
| Output price | $20/M | $0.024/M ▲ |
| Context window | 1000K ▲ | 64K |
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