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

DeepSeek R1-0528 vs GPT-4o

DeepSeek
DeepSeek R1-0528
OpenAI
GPT-4o
Overview
CompanyDeepSeekOpenAI
Release dateMay 28 2025May 13 2024
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
12%Best
Timeline
Release gapGPT-4o shipped 380 days before DeepSeek R1-0528

Which is better: DeepSeek R1-0528 or GPT-4o?

GPT-4o leads DeepSeek R1-0528 on 1 of the 1 benchmark they both report (BullshitBench v2). GPT-4o shipped 380 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is open weight, while GPT-4o is proprietary.

On BullshitBench v2, GPT-4o leads at 12% vs DeepSeek R1-0528 at 8%.

Frequently asked questions

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

GPT-4o was released by OpenAI on May 13 2024.

DeepSeek R1-0528 is an open weight model released by DeepSeek. GPT-4o is a proprietary model released by OpenAI.

Other comparisons