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Claude Opus 4.5 vs Code Llama

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.5
Meta
Code Llama
Overview
CompanyAnthropicMeta
Release dateNov 24 2025Aug 24 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
87%
Software engineering
SWE-Bench Verified
80.9%
Multimodal understanding
MMMU
Timeline
Release gapCode Llama shipped 823 days before Claude Opus 4.5

Which is better: Claude Opus 4.5 or Code Llama?

Claude Opus 4.5 leads Code Llama on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Code Llama shipped 823 days before Claude Opus 4.5, so benchmark comparisons should account for the intervening progress.

Code Llama is an open-source / open-weight model; Claude Opus 4.5 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 Claude Opus 4.5 released?
Claude Opus 4.5 was released by Anthropic on Nov 24 2025.
When was Code Llama released?
Code Llama was released by Meta on Aug 24 2023.
Is Claude Opus 4.5 or Code Llama open source?
Code Llama is an open-source / open-weight model released by Meta. Claude Opus 4.5 is a proprietary model released by Anthropic.

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