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

DeepSeek-MoE vs o3-mini

DeepSeek
DeepSeek-MoE
OpenAI
o3-mini
Overview
CompanyDeepSeekOpenAI
Release dateJan 9 2024Jan 31 2025
AccessOpen WeightProprietary
Timeline
Release gapDeepSeek-MoE shipped 388 days before o3-mini

Which is better: DeepSeek-MoE or o3-mini?

DeepSeek-MoE and o3-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-MoE shipped 388 days before o3-mini, so benchmark comparisons should account for the intervening progress.

DeepSeek-MoE is open weight, while o3-mini is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek-MoE and o3-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek-MoE was released by DeepSeek on Jan 9 2024.

o3-mini was released by OpenAI on Jan 31 2025.

DeepSeek-MoE is an open weight model released by DeepSeek. o3-mini is a proprietary model released by OpenAI.

Other comparisons