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

DeepSeek Coder vs o4-mini

DeepSeek
DeepSeek Coder
OpenAI
o4-mini
Overview
CompanyDeepSeekOpenAI
Release dateNov 2 2023Apr 16 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapDeepSeek Coder shipped 531 days before o4-mini

Which is better: DeepSeek Coder or o4-mini?

DeepSeek Coder and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Coder shipped 531 days before o4-mini, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder is open weight, while o4-mini is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Coder and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Coder was released by DeepSeek on Nov 2 2023.

o4-mini was released by OpenAI on Apr 16 2025.

DeepSeek Coder is an open weight model released by DeepSeek. o4-mini is a proprietary model released by OpenAI.

Other comparisons