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LLaMA 2 vs Kimi K1.5

Meta LLaMA 2 vs Moonshot AI Kimi K1.5 — side-by-side specs.

Meta
LLaMA 2
Moonshot AI
Kimi K1.5
Overview
CompanyMetaMoonshot AI
Release dateJul 18 2023Jan 20 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 2 shipped 552 days before Kimi K1.5

Which is better: LLaMA 2 or Kimi K1.5?

LLaMA 2 and Kimi K1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 2 shipped 552 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.

LLaMA 2 is an open-source / open-weight model; Kimi K1.5 is proprietary.

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 2 released?
LLaMA 2 was released by Meta on Jul 18 2023.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Is LLaMA 2 or Kimi K1.5 open source?
LLaMA 2 is an open-source / open-weight model released by Meta. Kimi K1.5 is a proprietary model released by Moonshot AI.

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