Kimi K3.1 HighspeedvsVoxtral 3 TTS
Kimi K3.1 Highspeed leads the overall Podium Score by 1.3 points (91.5 vs 90.2).Category wins: Kimi K3.1 Highspeed 6 — 1 Voxtral 3 TTS.Voxtral 3 TTS is the cheaper pick ($0.03/M vs $8/M per 1M output tokens). Voxtral 3 TTS is faster (165 t/s vs 130 t/s).
Kimi K3.1 HighspeedDrag slider or hover to compareVoxtral 3 TTS
Quick VerdictAggregated 2026 Benchmark Analysis
Kimi K3.1 Highspeed is rated higher overall with a Podium Score of 91.5 (vs 90.2 for Voxtral 3 TTS). In head-to-head domain evaluations, Kimi K3.1 Highspeed outperforms in 6 of 7 benchmark categories.
Coding & Engineering
Kimi K3.1 Highspeed (60.0)
Inference Speed
Voxtral 3 TTS (165 t/s)
Cost Efficiency
Voxtral 3 TTS ($0.03/M)
API Price / 1M (in · out)
Kimi K3.1 Highspeed $1.5/M · $8/M — Voxtral 3 TTS $0.015/M · $0.03/M
Choose Kimi K3.1 Highspeed for long documents and large codebases, and Voxtral 3 TTS for knowledge and factual QA.
| Metric | Kimi K3.1 Highspeed | Voxtral 3 TTS |
|---|---|---|
| Podium Score | 91.5 ▲ | 90.2 |
| Arena Elo | 1455 ▲ | 1438 |
| Intelligence Index | 60.0 | 90.0 ▲ |
| Coding | 60.0 ▲ | 0.0 |
| Math | 88.0 ▲ | 0.0 |
| Reasoning | 92.0 ▲ | 33.0 |
| Agentic | 74.0 ▲ | 52.0 |
| Knowledge | 38.0 | 47.0 ▲ |
| Multimodal | 90.0 ▲ | 87.0 |
| Long-context | 98.0 ▲ | 48.0 |
| Output speed | 130 t/s | 165 t/s ▲ |
| Output price | $8/M | $0.03/M ▲ |
| Context window | 1000K ▲ | 32K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K3.1 Highspeed vs Claude Mythos · Kimi K3.1 Highspeed vs Claude 5.5 Sonnet · Kimi K3.1 Highspeed vs Kimi K3.1 Pro · Kimi K3.1 Highspeed vs Eleven Multilingual v3