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Claude 3.5 Sonnet vs GPT-4.1 mini

2 vs 0 benchmarks won

Anthropic
Claude 3.5 Sonnet
OpenAI
GPT-4.1 mini
Overview
CompanyAnthropicOpenAI
Release dateJun 20 2024May 14 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
59.4%
Software engineering
SWE-Bench Verified
33.4%
Multimodal understanding
MMMU
Timeline
Release gapClaude 3.5 Sonnet shipped 328 days before GPT-4.1 mini

Which is better: Claude 3.5 Sonnet or GPT-4.1 mini?

Claude 3.5 Sonnet leads GPT-4.1 mini on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 3.5 Sonnet shipped 328 days before GPT-4.1 mini, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 3.5 Sonnet released?
Claude 3.5 Sonnet was released by Anthropic on Jun 20 2024.
When was GPT-4.1 mini released?
GPT-4.1 mini was released by OpenAI on May 14 2025.

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