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LLaMA 1 vs Grok 2.5

Meta LLaMA 1 vs xAI Grok 2.5 — side-by-side specs.

Meta
LLaMA 1
xAI
Grok 2.5
Overview
CompanyMetaxAI
Release dateFeb 24 2023Aug 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapLLaMA 1 shipped 889 days before Grok 2.5

Which is better: LLaMA 1 or Grok 2.5?

LLaMA 1 and Grok 2.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. LLaMA 1 shipped 889 days before Grok 2.5, so benchmark comparisons should account for the intervening progress.

LLaMA 1 is an open-source / open-weight model; Grok 2.5 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 1 released?
LLaMA 1 was released by Meta on Feb 24 2023.
When was Grok 2.5 released?
Grok 2.5 was released by xAI on Aug 2025.
Is LLaMA 1 or Grok 2.5 open source?
LLaMA 1 is an open-source / open-weight model released by Meta. Grok 2.5 is a proprietary model released by xAI.

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