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Claude 2.1 vs DeepSeek V3-0324

Anthropic Claude 2.1 vs DeepSeek DeepSeek V3-0324 — side-by-side specs.

Anthropic
Claude 2.1
DeepSeek
DeepSeek V3-0324
Overview
CompanyAnthropicDeepSeek
Release dateNov 21 2023Mar 24 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapClaude 2.1 shipped 489 days before DeepSeek V3-0324

Which is better: Claude 2.1 or DeepSeek V3-0324?

Claude 2.1 and DeepSeek V3-0324 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 489 days before DeepSeek V3-0324, so benchmark comparisons should account for the intervening progress.

DeepSeek V3-0324 is an open-source / open-weight model; Claude 2.1 is proprietary.

Direct benchmark comparisons are unavailable — Claude 2.1 and DeepSeek V3-0324 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 2.1 released?
Claude 2.1 was released by Anthropic on Nov 21 2023.
When was DeepSeek V3-0324 released?
DeepSeek V3-0324 was released by DeepSeek on Mar 24 2025.
Is Claude 2.1 or DeepSeek V3-0324 open source?
DeepSeek V3-0324 is an open-source / open-weight model released by DeepSeek. Claude 2.1 is a proprietary model released by Anthropic.

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