Claude Sonnet 5.5 vs Kimi K3.1 Pro

Compare up to 4 models side by side.

Capability
167—
1473—
Priceper 1M tokens
Input$2.20↑ ×1.1$2.0878–$2.20↓
Output$11.00$10.9208–$11.00↓
Cache read$0.11↓$0.20878–$0.22↑ ×1.9
Web searchper request$0.011—
Limits and modalities
Context1M↓ 5%1M↑
Max output128K↓ 88%1M↑
ModalitiesInputTextImagePDFOutputTextInputTextImageVideoOutputText
Availability
ProvidersAnthropic, Anthropic (AWS)Moonshot AI (Kimi), Tencent Cloud TokenHub
30-day uptime——
Measured, last 30 days
Avg latency——
Effective price——
Cache hit rate——
About
Released2026-09-282026-10-23
Knowledge cutoff2026-06—

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text