Kimi K3.1 ProvsGLM-4.5 Air

Kimi K3.1 Pro leads the overall Podium Score by 5.3 points (94.2 vs 88.9).Category wins: Kimi K3.1 Pro 7 — 0 GLM-4.5 Air.GLM-4.5 Air is the cheaper pick ($1.1/M vs $20/M per 1M output tokens). GLM-4.5 Air is faster (96 t/s vs 45 t/s).

Open in Compare Tool →View Kimi K3.1 ProView GLM-4.5 Air
Kimi K3.1 ProDrag slider or hover to compareGLM-4.5 Air
GLM-4.5 Air
88.9
Coding: 55.0 · Speed: 96 t/s
Output Price: $1.1/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 88.9 for GLM-4.5 Air). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 7 of 7 benchmark categories.

Coding & Engineering
Kimi K3.1 Pro (72.0)
Inference Speed
GLM-4.5 Air (96 t/s)
Cost Efficiency
GLM-4.5 Air ($1.1/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — GLM-4.5 Air $0.2/M · $1.1/M

Choose Kimi K3.1 Pro for long documents and large codebases, and GLM-4.5 Air for cost-sensitive workloads.

MetricKimi K3.1 ProGLM-4.5 Air
Podium Score94.2 ▲88.9
Arena Elo1490 ▲1420
Intelligence Index68.0 ▲58.0
Coding72.0 ▲55.0
Math95.0 ▲82.0
Reasoning98.0 ▲90.0
Agentic82.0 ▲62.0
Knowledge45.0 ▲40.0
Multimodal96.0 ▲70.0
Long-context100.0 ▲72.0
Output speed45 t/s96 t/s ▲
Output price$20/M$1.1/M ▲
Context window1000K ▲131K
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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