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Claude 3.5 Sonnet vs Kimi K1.5

2 vs 0 benchmarks won

Anthropic
Claude 3.5 Sonnet
Moonshot AI
Kimi K1.5
Overview
CompanyAnthropicMoonshot AI
Release dateJun 20 2024Jan 20 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
59.4%
Software engineering
SWE-Bench Verified
33.4%
Multimodal understanding
MMMU
Timeline
Release gapClaude 3.5 Sonnet shipped 214 days before Kimi K1.5

Which is better: Claude 3.5 Sonnet or Kimi K1.5?

Claude 3.5 Sonnet leads Kimi K1.5 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 3.5 Sonnet shipped 214 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 3.5 Sonnet released?
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.

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