Kimi K3.1 ProvsFLUX.2 Dev

Kimi K3.1 Pro leads the overall Podium Score by 3.8 points (94.2 vs 90.4).Category wins: Kimi K3.1 Pro 5 — 2 FLUX.2 Dev.FLUX.2 Dev is the cheaper pick ($0.03/M vs $20/M per 1M output tokens). Kimi K3.1 Pro is faster (45 t/s vs 28 t/s).

Open in Compare Tool →View Kimi K3.1 ProView FLUX.2 Dev
Kimi K3.1 ProDrag 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 Pro
94.2
Coding: 72.0 · Speed: 45 t/s
Output Price: $20/M
Quick VerdictAggregated 2026 Benchmark Analysis

Kimi K3.1 Pro is rated higher overall with a Podium Score of 94.2 (vs 90.4 for FLUX.2 Dev). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 5 of 7 benchmark categories.

Coding & Engineering
Kimi K3.1 Pro (72.0)
Inference Speed
Kimi K3.1 Pro (45 t/s)
Cost Efficiency
FLUX.2 Dev ($0.03/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — FLUX.2 Dev $0.03/M · $0.03/M

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

MetricKimi K3.1 ProFLUX.2 Dev
Podium Score94.2 ▲90.4
Arena Elo1490 ▲1440
Intelligence Index68.090.0 ▲
Coding72.0 ▲0.0
Math95.0 ▲0.0
Reasoning98.0 ▲42.0
Agentic82.0 ▲28.0
Knowledge45.060.0 ▲
Multimodal96.098.5 ▲
Long-context100.0 ▲55.0
Output speed45 t/s ▲28 t/s
Output price$20/M$0.03/M ▲
Context window1000K ▲128K
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
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