AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Gemini 2.5 Pro vs LLaMA 2

Google
Gemini 2.5 Pro
Meta
LLaMA 2
Overview
CompanyGoogleMeta
Release dateMar 25 2025Jul 18 2023
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
20%
Coding
SWE-Bench Verified
59.6%
Science
GPQA Diamond
86.4%
Multimodal
MMMU
68%
Timeline
Release gapLLaMA 2 shipped 616 days before Gemini 2.5 Pro

Which is better: Gemini 2.5 Pro or LLaMA 2?

Gemini 2.5 Pro and LLaMA 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 2 shipped 616 days before Gemini 2.5 Pro, so benchmark comparisons should account for the intervening progress.

Gemini 2.5 Pro is proprietary, while LLaMA 2 is open weight.

Direct benchmark comparisons are unavailable — Gemini 2.5 Pro and LLaMA 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 2.5 Pro was released by Google on Mar 25 2025.

LLaMA 2 was released by Meta on Jul 18 2023.

Gemini 2.5 Pro is a proprietary model released by Google. LLaMA 2 is an open weight model released by Meta.

Other comparisons