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
Voxtral 3 TTS
90.2
Coding: 0.0 · Speed: 165 t/s
Output Price: $0.03/M
Kimi K3.1 Highspeed
91.5
Coding: 60.0 · Speed: 130 t/s
Output Price: $8/M
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.

MetricKimi K3.1 HighspeedVoxtral 3 TTS
Podium Score91.5 ▲90.2
Arena Elo1455 ▲1438
Intelligence Index60.090.0 ▲
Coding60.0 ▲0.0
Math88.0 ▲0.0
Reasoning92.0 ▲33.0
Agentic74.0 ▲52.0
Knowledge38.047.0 ▲
Multimodal90.0 ▲87.0
Long-context98.0 ▲48.0
Output speed130 t/s165 t/s ▲
Output price$8/M$0.03/M ▲
Context window1000K ▲32K
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