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

DeepSeek Coder V2 vs GPT-5.6 Sol

DeepSeek
DeepSeek Coder V2
OpenAI
GPT-5.6 Sol
Overview
CompanyDeepSeekOpenAI
Release dateJun 2024Jun 26 2026
AccessOpen WeightProprietary
Timeline
Release gapDeepSeek Coder V2 shipped 755 days before GPT-5.6 Sol

Which is better: DeepSeek Coder V2 or GPT-5.6 Sol?

DeepSeek Coder V2 and GPT-5.6 Sol don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Coder V2 shipped 755 days before GPT-5.6 Sol, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder V2 is open weight, while GPT-5.6 Sol is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Coder V2 and GPT-5.6 Sol don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Coder V2 was released by DeepSeek on Jun 2024.

GPT-5.6 Sol was released by OpenAI on Jun 26 2026.

DeepSeek Coder V2 is an open weight model released by DeepSeek. GPT-5.6 Sol is a proprietary model released by OpenAI.

Other comparisons