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

DeepSeek Chat (R1-based) vs o1-preview

DeepSeek
DeepSeek Chat (R1-based)
OpenAI
o1-preview
Overview
CompanyDeepSeekOpenAI
Release dateJan 20 2025Sep 12 2024
AccessOpen WeightProprietary
Timeline
Release gapo1-preview shipped 130 days before DeepSeek Chat (R1-based)

Which is better: DeepSeek Chat (R1-based) or o1-preview?

DeepSeek Chat (R1-based) and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 130 days before DeepSeek Chat (R1-based), so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is open weight, while o1-preview is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and o1-preview don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.

o1-preview was released by OpenAI on Sep 12 2024.

DeepSeek Chat (R1-based) is an open weight model released by DeepSeek. o1-preview is a proprietary model released by OpenAI.

Other comparisons