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

DeepSeek-LLM vs GPT-5 nano

DeepSeek
DeepSeek-LLM
OpenAI
GPT-5 nano
Overview
CompanyDeepSeekOpenAI
Release dateNov 29 2023Aug 7 2025
AccessOpen WeightProprietary
Timeline
Release gapDeepSeek-LLM shipped 617 days before GPT-5 nano

Which is better: DeepSeek-LLM or GPT-5 nano?

DeepSeek-LLM and GPT-5 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-LLM shipped 617 days before GPT-5 nano, so benchmark comparisons should account for the intervening progress.

DeepSeek-LLM is open weight, while GPT-5 nano is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek-LLM and GPT-5 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek-LLM was released by DeepSeek on Nov 29 2023.

GPT-5 nano was released by OpenAI on Aug 7 2025.

DeepSeek-LLM is an open weight model released by DeepSeek. GPT-5 nano is a proprietary model released by OpenAI.

Other comparisons