Kimi K3.1 ProvsClaude 5.5 Haiku

Kimi K3.1 Pro leads the overall Podium Score by 6.7 points (94.2 vs 87.5).Category wins: Kimi K3.1 Pro 5 — 2 Claude 5.5 Haiku.Claude 5.5 Haiku is the cheaper pick ($4/M vs $20/M per 1M output tokens). Claude 5.5 Haiku is faster (145 t/s vs 45 t/s).

Open in Compare Tool →View Kimi K3.1 ProView Claude 5.5 Haiku
Kimi K3.1 ProDrag slider or hover to compareClaude 5.5 Haiku
Claude 5.5 Haiku
87.5
Coding: 84.0 · Speed: 145 t/s
Output Price: $4/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 87.5 for Claude 5.5 Haiku). In head-to-head domain evaluations, Kimi K3.1 Pro outperforms in 5 of 7 benchmark categories.

Coding & Engineering
Claude 5.5 Haiku (84.0)
Inference Speed
Claude 5.5 Haiku (145 t/s)
Cost Efficiency
Claude 5.5 Haiku ($4/M)
API Price / 1M (in · out)
Kimi K3.1 Pro $4/M · $20/M — Claude 5.5 Haiku $0.8/M · $4/M

Choose Kimi K3.1 Pro for long documents and large codebases, and Claude 5.5 Haiku for coding and software engineering.

MetricKimi K3.1 ProClaude 5.5 Haiku
Podium Score94.2 ▲87.5
Arena Elo1490 ▲1410
Intelligence Index68.088.0 ▲
Coding72.084.0 ▲
Math95.0 ▲86.5
Reasoning98.0 ▲88.0
Agentic82.0 ▲78.5
Knowledge45.081.0 ▲
Multimodal96.0 ▲88.0
Long-context100.0 ▲91.0
Output speed45 t/s145 t/s ▲
Output price$20/M$4/M ▲
Context window1000K ▲500K
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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