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Claude Sonnet 4.6 vs Code Llama

2 vs 0 benchmarks won

Anthropic
Claude Sonnet 4.6
Meta
Code Llama
Overview
CompanyAnthropicMeta
Release dateFeb 17 2026Aug 24 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
89.9%
Software engineering
SWE-Bench Verified
79.6%
Multimodal understanding
MMMU
Timeline
Release gapCode Llama shipped 908 days before Claude Sonnet 4.6

Which is better: Claude Sonnet 4.6 or Code Llama?

Claude Sonnet 4.6 leads Code Llama on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Code Llama shipped 908 days before Claude Sonnet 4.6, so benchmark comparisons should account for the intervening progress.

Code Llama is an open-source / open-weight model; Claude Sonnet 4.6 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 Sonnet 4.6 released?
Claude Sonnet 4.6 was released by Anthropic on Feb 17 2026.
When was Code Llama released?
Code Llama was released by Meta on Aug 24 2023.
Is Claude Sonnet 4.6 or Code Llama open source?
Code Llama is an open-source / open-weight model released by Meta. Claude Sonnet 4.6 is a proprietary model released by Anthropic.

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