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Claude 3.7 Sonnet vs DeepSeek Chat (R1-based)

Anthropic Claude 3.7 Sonnet vs DeepSeek DeepSeek Chat (R1-based) — side-by-side specs.

Anthropic
Claude 3.7 Sonnet
DeepSeek
DeepSeek Chat (R1-based)
Overview
CompanyAnthropicDeepSeek
Release dateFeb 24 2025Jan 20 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Coding
SWE-Bench Verified
62.3%
Science
GPQA Diamond
68%
Timeline
Release gapDeepSeek Chat (R1-based) shipped 35 days before Claude 3.7 Sonnet

Which is better: Claude 3.7 Sonnet or DeepSeek Chat (R1-based)?

Claude 3.7 Sonnet and DeepSeek Chat (R1-based) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Chat (R1-based) shipped 35 days before Claude 3.7 Sonnet, so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is an open-source / open-weight model; Claude 3.7 Sonnet is proprietary.

Direct benchmark comparisons are unavailable — Claude 3.7 Sonnet and DeepSeek Chat (R1-based) don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 3.7 Sonnet released?
Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.
When was DeepSeek Chat (R1-based) released?
DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.
Is Claude 3.7 Sonnet or DeepSeek Chat (R1-based) open source?
DeepSeek Chat (R1-based) is an open-source / open-weight model released by DeepSeek. Claude 3.7 Sonnet is a proprietary model released by Anthropic.

Other comparisons