Kimi K3.1 ProvsClaude Opus 5

Kimi K3.1 Pro leads the overall Podium Score by 12.8 points (94.2 vs 81.4).Category wins: Kimi K3.1 Pro 4 — 0 Claude Opus 5.Kimi K3.1 Pro is the cheaper pick ($20/M vs $25/M per 1M output tokens). Claude Opus 5 is faster (60 t/s vs 45 t/s).

Open in Compare Tool →View Kimi K3.1 ProView Claude Opus 5
Kimi K3.1 ProDrag slider or hover to compareClaude Opus 5
Claude Opus 5
81.4
Coding: 70.4 · Speed: 60 t/s
Output Price: $25/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 81.4 for Claude Opus 5). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 4 of 7 benchmark categories.

Coding & Engineering
Kimi K3.1 Pro (72.0)
Inference Speed
Claude Opus 5 (60 t/s)
Cost Efficiency
Kimi K3.1 Pro ($20/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — Claude Opus 5 $5/M · $25/M

Choose Kimi K3.1 Pro for long documents and large codebases, and Claude Opus 5 for low-latency applications.

MetricKimi K3.1 ProClaude Opus 5
Podium Score94.2 ▲81.4
Arena Elo14901492 ▲
Intelligence Index68.0 ▲61.0
Coding72.0 ▲70.4
Math95.0—
Reasoning98.0 ▲82.3
Agentic82.0—
Knowledge45.0 ▲37.1
Multimodal96.0—
Long-context100.0 ▲99.2
Output speed45 t/s60 t/s ▲
Output price$20/M ▲$25/M
Context window1000K1000K
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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