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

DeepSeek Chat (R1-based) vs GPT-4.1 nano

DeepSeek
DeepSeek Chat (R1-based)
OpenAI
GPT-4.1 nano
Overview
CompanyDeepSeekOpenAI
Release dateJan 20 2025Apr 14 2025
AccessOpen WeightProprietary
Specifications
Context window
1M
Timeline
Release gapDeepSeek Chat (R1-based) shipped 84 days before GPT-4.1 nano

Which is better: DeepSeek Chat (R1-based) or GPT-4.1 nano?

DeepSeek Chat (R1-based) and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Chat (R1-based) shipped 84 days before GPT-4.1 nano, so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is open weight, while GPT-4.1 nano is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and GPT-4.1 nano 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.

GPT-4.1 nano was released by OpenAI on Apr 14 2025.

DeepSeek Chat (R1-based) is an open weight model released by DeepSeek. GPT-4.1 nano is a proprietary model released by OpenAI.

Other comparisons