Kimi K3.1 HighspeedvsFLUX.2 Dev

Kimi K3.1 Highspeed leads the overall Podium Score by 1.1 points (91.5 vs 90.4).Category wins: Kimi K3.1 Highspeed 5 — 2 FLUX.2 Dev.FLUX.2 Dev is the cheaper pick ($0.03/M vs $8/M per 1M output tokens). Kimi K3.1 Highspeed is faster (130 t/s vs 28 t/s).

Open in Compare Tool →View Kimi K3.1 HighspeedView FLUX.2 Dev
Kimi K3.1 HighspeedDrag slider or hover to compareFLUX.2 Dev
FLUX.2 Dev
90.4
Coding: 0.0 · Speed: 28 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 90.4 for FLUX.2 Dev). In head-to-head domain evaluations, Kimi K3.1 Highspeed outperforms in 5 of 7 benchmark categories.

Coding & Engineering
Kimi K3.1 Highspeed (60.0)
Inference Speed
Kimi K3.1 Highspeed (130 t/s)
Cost Efficiency
FLUX.2 Dev ($0.03/M)
API Price / 1M (in · out)
Kimi K3.1 Highspeed $1.5/M · $8/M — FLUX.2 Dev $0.03/M · $0.03/M

Choose Kimi K3.1 Highspeed for long documents and large codebases, and FLUX.2 Dev for vision and multimodal apps.

MetricKimi K3.1 HighspeedFLUX.2 Dev
Podium Score91.5 ▲90.4
Arena Elo1455 ▲1440
Intelligence Index60.090.0 ▲
Coding60.0 ▲0.0
Math88.0 ▲0.0
Reasoning92.0 ▲42.0
Agentic74.0 ▲28.0
Knowledge38.060.0 ▲
Multimodal90.098.5 ▲
Long-context98.0 ▲55.0
Output speed130 t/s ▲28 t/s
Output price$8/M$0.03/M ▲
Context window1000K ▲128K
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
0 / 4
Compare Now →