AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Claude 3.7 Sonnet vs DeepSeek R1-0528

Anthropic
Claude 3.7 Sonnet
DeepSeek
DeepSeek R1-0528
Overview
CompanyAnthropicDeepSeek
Release dateFeb 24 2025May 28 2025
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
49%Best
8%
Coding
SWE-Bench Verified
62.3%
Science
GPQA Diamond
68%
Timeline
Release gapClaude 3.7 Sonnet shipped 93 days before DeepSeek R1-0528

Which is better: Claude 3.7 Sonnet or DeepSeek R1-0528?

Claude 3.7 Sonnet leads DeepSeek R1-0528 on 1 of the 1 benchmark they both report (BullshitBench v2). Claude 3.7 Sonnet shipped 93 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.

Claude 3.7 Sonnet is proprietary, while DeepSeek R1-0528 is open weight.

On BullshitBench v2, Claude 3.7 Sonnet leads at 49% vs DeepSeek R1-0528 at 8%.

Frequently asked questions

Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.

DeepSeek R1-0528 was released by DeepSeek on May 28 2025.

Claude 3.7 Sonnet is a proprietary model released by Anthropic. DeepSeek R1-0528 is an open weight model released by DeepSeek.

Other comparisons