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

DeepSeek V3-0324 vs GPT-5.1-Codex-Max

DeepSeek
DeepSeek V3-0324
OpenAI
GPT-5.1-Codex-Max
Overview
CompanyDeepSeekOpenAI
Release dateMar 24 2025Nov 19 2025
AccessOpen WeightProprietary
Timeline
Release gapDeepSeek V3-0324 shipped 240 days before GPT-5.1-Codex-Max

Which is better: DeepSeek V3-0324 or GPT-5.1-Codex-Max?

DeepSeek V3-0324 and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3-0324 shipped 240 days before GPT-5.1-Codex-Max, so benchmark comparisons should account for the intervening progress.

DeepSeek V3-0324 is open weight, while GPT-5.1-Codex-Max is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3-0324 and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek V3-0324 was released by DeepSeek on Mar 24 2025.

GPT-5.1-Codex-Max was released by OpenAI on Nov 19 2025.

DeepSeek V3-0324 is an open weight model released by DeepSeek. GPT-5.1-Codex-Max is a proprietary model released by OpenAI.

Other comparisons