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LLaMA 3.1 vs Kimi K2

0 vs 2 benchmarks won

Meta
LLaMA 3.1
Moonshot AI
Kimi K2
Overview
CompanyMetaMoonshot AI
Release dateJul 23 2024Jul 11 2025
Model type
Open sourceYesYes
Specifications
Parameters
1T
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
75.1%
Software engineering
SWE-Bench Verified
65.8%
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 3.1 shipped 353 days before Kimi K2

Which is better: LLaMA 3.1 or Kimi K2?

Kimi K2 leads LLaMA 3.1 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). LLaMA 3.1 shipped 353 days before Kimi K2, 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 LLaMA 3.1 released?
LLaMA 3.1 was released by Meta on Jul 23 2024.
When was Kimi K2 released?
Kimi K2 was released by Moonshot AI on Jul 11 2025.

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